Flowmaster outlaw should only be used for racing or off-road applications. The purpose of a muffler is to reduce the exhaust sound. Upgrade your stock muffler with the loudest street-legal Super 44 muffler. You will know that your vehicle muffler has gone bad if you hear an excessively loud exhaust making a hissing or tapping sound that may become more pronounced at the time of acceleration. Go ahead and upgrade your ride with an exhaust that showcases its power. 01. TOTALFLOW 442516 409 Universal Single Chamber Muffler. The confusion is understandable, the stakes are high, and the brand loyalties are deep on both sides, so why hasn't a responsible third party stepped up to declare a winner? After reading the exhaust thread, then now this, I'm agonizing over the decision between the P2 Magnaflow and the Flowmaster Outlaw. The Flowmaster Super 10 is basically the brand's most aggressive muffler, so it growls loud. Furthermore, the Flowmaster HP-2 carries cool shell cases that reduce drone sound significantly and insulate against heat. In todays post, Ill be further covering aspects of their product line-ups such as: Lets get to it. Get it if you dig the old-school muffler rumbling. Ive heard some people describe them as a blast to the 70s past, with the lower-pitched, throaty growls of blazing muscle cars. A loud exhaust means that the vehicle is generating more power and that naturally requires more fuel. Durability: Flowmaster exhaust systems are some of the most durable items in the market. All thanks to a laminar flow design to deliver ground-breaking sound control. A friend had them on a 302 SBF and they sounded soo crappy. Its for a V6 and V8 application and gives you the exact sound that you want for these engines. This muffler offers unrestricted exhaust flow to increase torque and horsepower. High-quality stainless steel construction, More expensive than super 10, super 44, and Outlaw mufflers, Mild internal resonance is not for everyone, Sounds rugged when revving up all the way, Limited to Dodge trucks and Hemi engines for direct fit, Tone not as low as some street drivers would like. We still don't know whether Magnaflow or Flowmaster is best but based on the Engine Masters test series it looks like the Magnaflow would be the predicted winner between the two. Moreover, as the camshaft's overlap of the exhaust and intake lobe increases, the greater the positive effect exhaust scavengingand a crossover pipehas (see this Engine Masters dyno test of crossovers vs. straight pipes on a mild 5.3-liter LS with a 2.5-inch exhaust and a small cam). The Magnaflow is more exotic sounding and pretty quiet. The Flowmaster Super 40 sounds deeper and meaner to give you that lovely sporty sound. So, both brands have extensive line-ups with at least 6-7 muffler products out there. Why? Want a lovely, deep, low rumble that is pleasing to the ears inside and out? It rumbles aggressively at idle and makes all the right noises when you put your foot in it. Plus, it has a MIG welded body to improve durability. This model is suitable for street rods, sport trucks, customs, and low-riders with a compact design. The difference lies in its heat resistance due to its aluminized construction and cooling coating. Close, but no cigar when compared to beasts like the Super 10 muffler for example. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hi! Here is the list of Flowmaster Mufflers from Loudest to Quietest and their application. If youve run any of the Flowmaster or Thrush woodpecker mufflers, let me know. Flowmaster 9430452 3 In(C)/2.5 Out(D) Super 44 Series. It is easier to activate but is significantly quiet in the cabin. As a convenient byproduct, underhood temps and induction inlet temps will be less, further improving horsepower. You can also navigate the Table of Contents: Let me be clear: neither brand is a premium experience that you might find with mufflers like Corsa or Borla. Boasting Delta-Flow performance technology, the Super 10 is an aggressive muffler that delivers maximum exhaust flow. Does having a loud exhaust use more fuel? With increased engine efficiency comes better mileage performance. You can call this model the Super 50 but with more volume, because it has a thinner case and more baffles that add resonance. From the H-chamber design to the reduced under-hood temperature, youll be raving about this muffler once you install it. Flowmaster FlowFX Series is for the gentlemans muscle car. Feb 27, 2006. It delivers an aggressive muscle car sound inside and outside the vehicle. If you are looking to give your vehicle an aggressive RUMBLE, then these Heres a full chart of Thrush mufflers, sorted from quietest to loudest: This is an important chart because I get people insisting Thrush Turbo is louder than Welded all the time. Cherry Bomb Mufflers are notable for their loud rumble, and the 87529 glasspack muffler isn't left out. Aluminized construction to provide maximum corrosion resistance Spot-welded primary internals for maximum life and durability. Stylethority is a space to share my observations.Hopefully - to help you out too. Here, you will find the FlowFX, 50 Series heavy-duty, and Pro Series, among others. Different sound than the low rumble of the "others". The answer is no if you are talking about a muffler or just the end of the exhaust. This model was created after the Delta Force race mufflers and is intended for any driver looking for the loudest and most aggressive sound for off-highway use. Outlaw mufflers have a straight-through design that makes them extremely loud. It has Dyno tuned for maximum performance. "Z" flow multi-core for improved flow and turbo sound. The cars wearing Flowmaster mufflers were scienced-out in the exhaust department, with all the things we mentioned earlier, like properly-sized headers, thermal barrier coatings, thermal wraps, x-pipes, and short, sewer drain-sized pipes to dump the spent gases. 99 LC - PRO CRSR - SOLD 8/9/18, 99 LX470 - LX PRO - SOLD 2/6/2020. There is a lot that goes on inside there - the Flowmasters actually drawing spent gasses out of the engine's combustion chambers. For me it's Magnaflow exhaust. The muffler is perfect for high-boost and performance cars as it does not contain any internal fiberglass packaging to blow out. I like that this muffler unleashes a subtle but warm rumble in a straight-through design. And while the legendary Woodpecker (Thrush) has the upper hand with 56 years on the road, Flowmasters aint a new kid on the block either. The Super 10 is available for domestic V8 applications, and some imported car brands can also use this muffler. By design, a mufflers primary purpose is to reduce sound, but it can play a vital role in your cars overall performance as well. Id say go with one of their quiter brands for your street ride. You can't stay in the truck and the speed range seems to be +/- 7mph. Get the quickest and loudest draw with the Outlaw muffler. Louder and I think a better sound. Then might Magnaflow's budget Rumble model (a Flowmaster replica, below) beat the original Flowmaster? I'm Xander. Does muffler placement affect the sound of my car? Yes, it is. I like testing out products that help me lead a more convenient lifein style. We discovered from a comprehensive dyno test of 11 low-buck mufflers on MotorTrend's Engine Masters series (season 4, episode 49) that, categorically, mufflers with a straight-through design are measurably better power-wise than mufflers with any kind of baffle (the typical Flowmaster) or turbo-style mufflers similar to the Dynomax Super Turbo that I like. The Jones are $40.00 each and are a welded stainless, straight through design that sound great on just about anything. You can definatly hear the rumble in the cab when you give it gas, enough to make it more enjoyable to drive but not too loud and no drone with the dual pipes and resonators still on. Flowmaster 60 Series Delta Race provides better performance than a stock muffler, and its also pretty quiet for a muffler suitable for the race track. I've listened to quite a few other systems and they all sound the same to me save for the Gibson. Don't crush that Dwarf, hand me the pliers! This model is suitable for street rods, sport trucks, customs, and low-riders with a compact design. Shop for Rumble Muffler at Walmart.com. Its not loud but adds a great sound to V6 and V8 engines. In Engine Masters episode 49, the guys used a 408 cu-in Ford Cleveland small-block dialed down to around 600 hp, and rpm was limited to 6,500; the important thing to remember is that the engine was chosen to lean hard on each muffler's ability to flow unfettered, magnifying any flow deficiencies in the muffler design. You can expect some subtle power increase, but its all about the powerful sound with this muffler. Keep in mind that a Flowmaster will always be heavier because of its construction materials. Not as resonant inside your car; less droning too. These products can be wraps like those offered by DEI and Thermotec, or a ceramic thermal barrier coating from Jet-Hot or ZyCoat. Do not get turbo mufflers if you want a loud sound. RUMBLE Exhaust was created by professionals who know what that classic American Muscle Spot-welded primary internals for maximum life and durability. The Super 10 muffler is a single chamber muffler that is also very aggressive. After headers and some sort of balance pipe, the next most important thingthat's way more important than having a Flowmaster or a Magnaflow muffleris keeping the heat inside the exhaust system. Chevy bean counters liked the cost, engineers liked the minimal backpressure, and they didn't kill as much of the cool sound as the typical muffler of the day. Corsa and Flowmaster. Id put Thrush right there to how Cherry Bomb performs vs Flowmaster. Thrush 17715 Turbo Muffler, 15 8. Flowmaster 80 Series gives you precisely that sound. This is to help compensate for crankshaft/bearing loads and balance concerns, and it means that cylinders on the same bank often fire consecutively. The ideal muffler will deliver just the right growl, roar, or rumble to back up your vehicle's performance and appearance. This muffler has the same deep rumble as the 40 series but with much less drone and interior resonance. No, it wont. Features include 409 stainless steel construction for added durability and 16-gauge 3.0-inch to 2.5-inch mandrel . Reactions: Lifted2wd. So many people have bad mouthed Flowmasters for so long the same things get repeated over and over. Standard Delivery. It quiets an aggressive engine and is also fit for the race track. 30 Question: Will removing the muffler damage the engine? This type of acoustic dampening takes the edge off the sound while preserving the lower frequenciesthe "rumble." 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. Theres more to these two brands, though. Durability: Using innovative designs and high-quality materials, Flowmaster makes some of the best exhaust systems. Especially when it comes to more modern V6 engines. Two of the most popular manufacturers are Flowmaster and Magnaflow. Not to mention, the unique delta flow baffle setup allows it to produce a low and rich, throaty tone. The 3-inch exhaust was an upgrade from the 2.5-inch exhaust that was previously on the car. Improve torque and reduce rough shifting when accelerating in your tow truck with the Flowmaster 50 Series Heavy Duty. First issue was probably the fault of the carrier, but the system arrived with the box utterly destroyed. Since this muffler is louder than your stock muffler, you can expect to hear the resonance inside the cabin. They dont need to be either, though. Like we said up front, the questions you ask are important; your car's power may benefit zero from a $115 muffler if the engine only makes 350 hp, and on the opposite end of the spectrum, you may already have too much power for the car's chassis, in which case you'd be better off spending the $115 (times two) on something else to get it to hook up, like a set of drag radials, a rear antisway bar, or some adjustable shocks. 31 Video Review to Buy Top Rated Sounding Mufflers, best ways to improve the functionality of your car, TOTALFLOW 442516 409 Universal Single Chamber Muffler, Manufactured with wide open performance design, Developed to produce a unique signature tone, compatible with various types of exhaust system, Aluminized steel construction for corrosion resistance, Tube and partition style interior structure, Features spot welded bushings for enhanced performance, This cheap sounding muffler is simple to install, It can also provide moderate interior resonance, The muffler also features race-proven patented delta flow technology, The muffler complies with general road safety standards, The interior section of sound muffler sometimes requires replacement, The exterior structure is prone to dirt and scratches, Designed with wide open performance design, This exhaust muffler is powerful and durable, It can also produce a unique deep signature tone, The muffler is also compatible with various types of exhaust systems, The muffler requires additional calibration to achieve the best sound, Two chamber design to provide a deep aggressive tone, The high-temperature metallic finish and stainless steel structure, Available with a 2.25-inch outlet and inlet, This best muffler has a unique two chamber design, It is also available in a high-temperature metallic finish, The thrush embossed logo does well to improve the appeal of the muffler, The internal chambers of the muffler require additional reinforcement, The muffler also heats up when used for long distances, Comes with mechanical interior joints for durability, Spot welded bushing for strength and support, Comes with an aluminized structure to provide corrosion resistance and durability, Features spun locked heads for rupture resistance, Has mechanical interior joints for durability, Spot welded bushings offer support and stability, The mechanical interior joints are prone to rust, Comes with spun-locked heads that are better than the ones on most mufflers, The tube and partition style improves fuel economy, It also features spot welded bushings for enhanced performance, The 100% aluminized material is very durable, The muffler is prone to exposure to water, It is also difficult to replace the mechanical joints, Product Name: Borla 40359 Borla Pro S Muffler, Offset Outlet: 14 in. x 4 in. x 9.5 in. Oval Body : 19 in, Dimension: 21 * 11 * 6 inches, Natural mill finish can be brushed for polish. The answer is: both. But what if, in a real Magnaflow vs. Flowmaster shootout, the Flowmaster were to turn out better than the Magnaflow? Hence, its ideal if you want to match your stock system or for increased ground clearance. More premium take with drone-reducing design. (See Charles's law.) Their systems are build from long-lasting materials. So which muffler is best on an engine with serious power, Flowmaster or Magnaflow? Designed with a round compact shape, this bad boy will announce your arrival from a mile away. The two outlets give a unique beefy muscle-car sound, Sounds of acceleration and deceleration are smooth and impressive, Authentication available with logos engraved on the muffler cover, The muffler diameter is poorly designed and needs improvement, Using little more than usual throttle may set off car alarms with this installed. Flowmaster 60 Series Delta Race provides better performance than a stock muffler, and its also pretty quiet for a muffler suitable for the race track. On the other hand, if debating mufflers is your raison d'etre, then please carry on! Yet, it has the right feel and performance speed. While simple on the outside, this muffler features an advanced interior design that eliminates unwanted noise. The muffler has a 409SS stainless steel construction that is fully MIG-welded to maximize durability. This muffler gives the enthusiast a different exhaust note from what you would experience with a chambered muffler. Mufflers are a totally fascinating technology. TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? sound, should sound like. And you would be correct to guess that the aesthetics of this are not always appreciated, even by some car guys. Where it gets tricky is Engine Masters only tested mufflers that at the time were under $40, leaving out the genuine trademark Flowmaster and Magnaflow products that everybody asks about. That said, its not too loud during regular cruising, but it gets aggressive when you step on it. 1-Year Warranty. In addition, it has mild interior resonance. However, it's not as loud and aggressive as the 40 Series either. i just swapped a set of thrush super turbos for a set of flowmaster 40's. However, if you made up your mind with the Flowmaster and looking for the best Flowmaster muffler for 5.3L Silverado 1500 2019-1021 year model, the new FlowFX dual-mode muffler with 409 stainless steel is an excellent way to go with. And yet, you still want to know what's empirically impossible to know. And most important of all, is your engine making enough power for any of this to make a difference on power? Argh!!! But first, take a look at this sound chart. On the other hand, the Flowmaster 40 Series Delta Flow is suitable for daily driving; hence its quieter and calmer on the inside. Flowmaster 17428 - American Thunder Aluminized Steel Cat-Back Exhaust System with Split Rear/Side Exit. It takes advantage of two chambers to give you loud sound to breathe new life into your ride. Jul 10, 2020 #10 S. superram8 Junior Member. It flows less and isn't as gentle as the Delta Flow. the flowmasters sound way better than the turbos did. Both 50 Series and 40 Series mufflers are excellent for street/strip and off-road applications. Heres a very extensive video comparing the sound of the classic Thrush Welded and the Flowmaster 40 muffler. The muffler is ideal for high-performance street cars, RVs, SUVs, most trucks, and tow vehicles. In fact there is a lot of tech that proves straight through mufflers are poor performers and sound really, really bad inside and outside of the vehicle. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. The overall length is 23 inches and has a body diameter of 3.5 inches - too long to give a disturbing growl. They aren't too loud or too quiet. Many will say that Flowmaster focuses . Thrush and Flowmaster focus on the mid-range market, with Flowmaster being priced slightly higher. Either way, power is headed in the up direction whether you've got a Flowmaster, a Magnaflow, or an ordinary $40 cheapo muffler. 19 Factors to Consider BeforeBuying the Correct Sounding Muffler. Lets move on to what interests you the most: sound. Always looking to hear from car enthusiasts who tinker around with their vehicles exhaust system. sfmadmax said: I must agree, i do think the best exhaust for this trim car is the Stock Exhaust, I can understand an exhaust on the 5.7, (I have one) but on the 6.4, it's totally not needed. The Fora platform includes forum software by XenForo. wheel-standing street cars wearing Flowmaster mufflers. The series offers the standard model for street driving, while the shorty mufflers are great for muscle and performance cars. For a quiet cabin with a muffler that can handle a big engine under a heavy load, go with the Flowmaster 50 Series Big Block. Flowmaster FlowFX Series is for the gentlemans muscle car. I didn't mind the sound the welds made but after 1000 miles something broke inside the muffler which made a rattling sound and started holding a lot of condensation making the car virtually run on just a single exhaust pipe. Loud as it is, it doesnt get as loud and growly as the Flowmaster Super 10, which is the most aggressive Flowmaster. Also, the Dynomax Ultra-Flo's are $10 cheaper per muffler and make a really nice rumble like old muscle cars (and the Ultra-Flo's flow at 1133cfm, the highest flow number Ive ever seen) Jan 28, 2006 #3 U ULTM8Z As I said, its retro roaring all the way. Three exhaust brands in the Flowmaster vs Magnaflow vs Borla vs Cherry Bomb are discovered to provide the best mufflers for . In some cities and towns in the US, there might be laws against an exhaust that goes over a certain decibel level limit or even just having a modified exhaust at all. 35% Tint all around GMM Race Shifter SLP Loudmouth 1 Stock 17" wheels Speedy0009 Quest for 10's Continues! Both Magnaflow and Flowmaster have many muffler lines (16 for Magnaflow and 26 for Flowmaster) and this has made it mathematically impossible to declare one or the other superior even if that were feasible. Side pipes with 2.5" Sweet Thunder inserts rule! A genuine performance muffler to replace the stock or the factory provided mufflers. http://exhaustsoundclips.com/phpbb2/dload.php. Headers, however, aren't always practical for a daily driver, but when they can be employed do offer the biggest power boost, used in conjunction with an upsized diameter system throughout. Been shopping around for direct fit mufflers. Design Flowmaster's innovative muffler designs are well-known. Besides, it has durable 16-gauge steel construction and is fully MIG-welded to increase longevity. i've been looking at the Flowmaster delta force single chamber muffler. Is price also a factor? It utilizes Delta Flow technology which maximizes efficiency while minimizing interior resonance. 29 Question: Does it matter which way a muffler goes on? 6 Best Cold Air Intakes for Chevy Silverado 1500 Review [2022]. So, if you want the loudest muffler without straight piping, Super 10 is for you. Text copyright Stylethority.com. Here, the type of crossover matters somewhat; a simple h-pipe crossover pays a smaller dividend due to the sharp right angles the exhaust must follow (the larger the crossover diameter, the better), while an x-pipe is better than an h-pipe at higher engine speed because it's like a traffic intersection where no turns are needed. Nevertheless, the 40 Series can cause a lot of drone sound and rumble in the cabin, depending on your vehicle. The muffler is not only powerful, but it can also provide an exceptional level of moderate interior resonance. Its perfect for a v8 engine. Anyone heard this muffler before? Warranty. Magnaflow vs. Flowmaster Sounds Which one do you prefer? Remember to factor in muffler design too if youll be installing a hitch. Perhaps the best muffler to suit V8 Chevy engines. Items You May Also Consider. Its difficult to replace the mechanical joints. Forums. In general, fewer chambers mean less backpressure and noise reduction. Joined Aug 29, 2018 Watch a Preview of ENGINE MASTERS Episode 49: $40 Muffler Shootout. Once the coating peels off (and it does eventually), the muffler will start corroding. Oval Straight-Through Performance Exhaust Muffler 11226. I like a deep mean rubmble that is somewhat loud without being obnoxious. Furthermore, its Delta Flow technology ensures low interior resonance. The disadvantage is they cost more than all the others, but its worth it to have a sound that not many have. Solid construction, with American Muscle sound! It has a deep and powerful sound, much like the original 40 series but with all the benefits of performance. I like the sound of sweet thunders, spintechs and glasspacks equally. Retro sound like the muscle cars of the 70s, with less resonance inside the car too. The Original 40 Series has that classic muscle car sound that is loud inside and outside the cabin. Hence, it fits the bill for street cruising in sport-compact cars. Required fields are marked *. It's the choice this author made when selecting Dynomax Super Turbo mufflers for a 650hp 1968 Plymouth Valiant (below), a car whose traction woes far outstrip the need for more power. The flowmaster sound is a more raspy all around louder sound, the magnaflow on the other hand can have a loud sound too, but it's more of a bassey/rumble loud sound. This muffler is for racing applications. Its a very affordable take on neighborhood-friendly purring. Designed with a round compact shape, this bad boy will announce your arrival from a mile away. 25 Question: What does a bad muffler sound like? Want to get compliments about your deep and aggressive-sounding ride? At higher rpm, the behavior of these events acts as one longer pulsea single slug of exhaust twice the normal size that can pile up and cause a restriction. The MagnaFlow 10416 Exhaust Muffler has an inlet diameter and outlet diameter of 2.5 inches, a body length of 14 inches, and an overall length of 20 inches. As Ive written in my leading hitch brand comparison, on some muffler setups you will have to tinker around to accommodate your new setup. They make use of baffles, metal plates, that help to manage the sound waves. Also, you will find a comparison of popular items at the end of the post. Ryan Bequette # 925486 03/29/12 05:48 PM. Chambered to deliver that classic performance sound. 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. A lot of Super 44 owners have noticed exhaust drone. Instead, it provides sound improvement only. Keep in mind that higher-end Flowmaster mufflers (the Super line) have anti-drone tech. Flowmaster is THE WORST muffler Ive ever used, Id rather buy a JEG's turbo muffler than a Flowmaster. Its the bad boy of the streets, and you can pair it with a high output engine without worrying about the deafening interior drone. Most people doesnt care much about a well-placed muffler but it can make quite a bit of difference. Flowmaster 60 Series Delta Race is the ideal solution for race cars that want a tremendous boost in power and torque with maximum sound control. We aren't surprised that no brand has a statistical advantage on the dyno and that's because no muffler can add poweronly take it away. With a large case size and 4-inch internal components, this muffler increases exhaust flow, thus reducing restrictions and backpressure. My exact car is a 2019 3LT RS Camaro, V6. Does "best" mean the most pleasing sound or the most power? So then: which is the better, louder, and more durable among Thrush vs Flowmaster mufflers? Does it matter which way a muffler goes on? Its common sense, though. Style: Base Product Stainless Steel Construction Includes Both Rear and Side Exit Patented Delta Flow technology Mandrel Bent See more product details Adding to the confusion, both companies have endeavored to make near-copies of each other's products (Rumble Exhaust is Magnaflow's de facto Flowmaster-style product and the FlowFX series is Flowmaster's Magnaflow-style product). In fact, cheaper as it is, I believe the Thrush Welded will be preferred by muscle car enthusiasts or those of you looking to relive the spirit of the 70s/80s. If power is way less of an issue between these types, why would it matter if you chose a Flowmaster or a Magnaflow muffler? 70 is my cruise speed of choice so I tend to stay at 75 to avoid the irritation. The header discussion is beyond the scope of this article, but h-pipes and x-pipes certainly are not, and once again these offer gains of a higher magnitude relative to fussing over which proprietary muffler design is best. Even though I have the resonance, it is not as bad as my Buds Flowmaster Delta 40s. Your email address will not be published. The mellow tone makes for a silent driving experience. Flowmaster 953047 Super 40 Muffler Discover the excellence of using the Flowmaster 953047 Super 40 Muffler that has a deep aggressive to the moderate exhaust note. PRODUCT SPECIFICATIONS. That sound rumbles out because of the thicker case design. Borla Vs Flowmaster Sound Comparison. Save my name, email, and website in this browser for the next time I comment. 50 Series Big Block is the largest and quietest Flowmaster muffler. Stand on it and they bark. 1 Editors Short List for Best Sounding Mufflers, 2 In Details: Top 10 Best Sounding Mufflers in 2022 [Updated List], 14 7. Read more: 6 Best Cold Air Intakes for Chevy Silverado 1500 Review [2022], Your email address will not be published. I do not have an X or H set up, but it has been my experience that it will only change the speed range of the resonance, not eliminate it. . Components of a high-performance exhaust system. Free In-Store or Curbside Pick Up. Borla vs. Flowmaster 1. Hence, its the ideal pick for lots of applications. Flowmaster Super 40 Delta Flow is what most drivers gravitate towards. Actually, it depends on your location. Download Sales Sheet TURBO MUFFLER "Z" flow multi-core for improved flow and turbo sound. are the cherry bombs louder than the glaspacks? New posts Search forums. If you want the benefits of a Flowmaster with an added performance increase, youll love using the Super 50 series. Its the bad boy of the streets, and you can pair it with a high output engine without worrying about the deafening interior drone. # 8. The T-304 stainless steel will never rust. Thrushes keep it old school. In an interesting twist, Engine Masters host David Freiburger deduced that the three 409 stainless steel Magnaflow-style straight-through mufflers under $40 were so similar that they must've been built at the same factory, so only the cheapest one, a Cherry Bomb Salute muffler, was tested (the others being a Jones Exhaust MAX Flow and a Flowmaster FlowFX) and it turned out to be nearly identical in power output to the straight pipe. As the exhaust sheds heat the physical volume of the exhaust pulsethe slug from each firing eventdecreases. Required fields are marked *. Instead, the low-dollar knock-offs of each were tested. Anti-drone improvement over the classic 40s. Can get ricy while revving or at higher RPMs. A Thrush classic. Quite a few people make the mistake of thinking the Thrush Welded and the Flowmaster 40 muffler are the same. While both have a deep aggressive bite to their sound, the Super 10 is less restrictive, resulting in loud sound during idle and acceleration.