Availability
On Sale
Looking for the most aggressive sound in the Flowmaster muffler line? Then take a look at their 40 Series mufflers. Designed for use on street and strip vehicles, they take the sound waves produced in the exhaust, and cancel them against angled baffles built into the muffler case. This improves both horsepower and fuel economy. Best of all, they allow you to hear that cool Flowmaster tone inside of the vehicle, as well as outside. So, if you want more power and less noise, then you've got to get Flowmaster 40 Series mufflers.
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Flowmaster FlowFX mufflers feature mandrel-bent bright stainless steel tubing, mated to specially designed straight-through for great sound and maximum performance. FlowFX 409 stainless steel mufflers deliver a moderate to aggressive interior and exterior sound level that will appeal to anyone looking for a deep, powerful exhaust note.
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$630.95
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$472.95
On Sale
Flowmaster 50 Series Delta Flow mufflers are designed to produce a mellow, deep sound. They're milder on the outside of the vehicle than the 40 Series mufflers and are significantly quieter on the inside. These mufflers combine the increased horsepower and torque you've come to expect from Delta Flow technology with the performance sound and feel that makes Flowmaster famous.
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On Sale
Flowmaster Super 44 Series mufflers use the same technology as the original Super 40 mufflers—but also offer some distinct advantages. The Super 44s deliver a deep, rich tone with an improved flow path radius, optimum internal flow, and sound control engineering, all created with Delta Flow technology. They're the most aggressive, deepest sounding, highest performing 4 in. case street mufflers that Flowmaster has ever built. These American-made, all-black mufflers exceed OEM specifications for use on street cars, race cars, and sport trucks. Super 44s are ideal when dynamic sound, torque, and horsepower improvements are demanded in a smaller high performance muffler. Their maximum performance and improved flow path will generate more torque and power than ever before! If you really want to hear your exhaust system inside as well as outside of your vehicle, then order the Flowmaster Super 44 muffler best suited to fit your application.
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On Sale
Flowmaster Super 10 Series mufflers are intended for those who crave a loud, aggressive exhaust note. They are manufactured from 16-gauge, MIG-welded 409 stainless steel, and feature patented Delta Flow technology for optimum performance. These premium mufflers are offered in various sizes, finishes, and designs, with single or dual inlets and outlets, and are intended only for off-road or race applications.
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$139.45
On Sale
These Super HP-2 mufflers from Flowmaster are designed for use with street rods, customs, and sport trucks. They feature stainless steel construction with an internal, layered-laminar jet engine gas flow design that uses guided sound control with broadband sound cancellation for a mellow '50s tone. These mufflers support up to 400 HP, while delivering outstanding looks, durability, and sound control.
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On Sale
These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These mufflers feature a design patterned after Flowmaster's race mufflers. These Flowmaster mufflers far exceed older models on Dyno tests. They create a beautiful hot rod sound, along with increased horsepower and gas mileage. So, if you want to get that hot rod sound and add some horsepower, then these Flowmaster mufflers have you covered.
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On Sale
These 70 Series Big Block II mufflers are designed around a large case for maximum volume and efficiency. They're 2 in. narrower than the original Big Block muffler, making them easier to install into tight areas. Other features include a mild, mellow exhaust tone and a resonant tuning chamber for reduced interior sound levels.
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Silence interior drone with Flowmaster dBX mufflers. These mufflers utilize cutting-edge technology to provide maximum performance and ultimate sound quality. dBX mufflers have a patented core design that delivers exhaust efficiency with much less noise inside of your ride. These Flowmaster mufflers feature 409S stainless steel internal components covered in a 304 stainless steel case--a great look for your next exhaust project! Keep the peace inside--add performance to your ride with dBX mufflers from Flowmaster.
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$227.95
$205.15
On Sale
Looking for the most aggressive sound in the Flowmaster muffler line? Then take a look at Flowmaster stainless steel 40 Series mufflers. Designed for use on street and strip vehicles, they take the sound waves produced in the exhaust, and cancel them against angled baffles built into the muffler case. This improves both horsepower and fuel economy. Best of all, these mufflers allow you to hear that cool Flowmaster tone inside of the vehicle, as well as outside of it. So, if you want more power and less noise, then you need to acquire these Flowmaster stainless steel 40 Series mufflers.
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$123.95
$111.55
On Sale
Flowmaster Super 40 Series Delta Flow mufflers go a step beyond their original 40 Series product. By precisely placing three internal baffles in the case, and welding them to exacting specifications, the 40 Series Delta Flow mufflers not only out-scavenge the originals, but they also provide superior reductions in exterior sound levels and resonance, which are transmitted through the exhaust system and into the vehicle. You get all this, plus improved torque and horsepower—and that famous Flowmaster sound!
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On Sale
Are you looking for a race-winning muffler with the distinctive two-chamber sound? Look no further. Flowmaster's patented Delta Flow technology was used to create the Delta Force Race line mufflers. These Delta Force 40 Series mufflers provide excellent flow and scavenging for added torque and horsepower in race applications. This revolutionary technology has allowed Flowmaster to shrink case sizes for improved ground clearance. Flowmaster builds this series of mufflers by hand to ensure that they are the very best, in the most demanding environments.
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On Sale
These Flowmaster Outlaw series race mufflers are specifically designed for racing. They feature a round case that allows for installation in limited-space applications. The mufflers' design incorporates sound attenuation rings without the need for packing materials.
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On Sale
Flowmaster Stainless Steel Super 44 mufflers offer distinct advantages over original 40 Series mufflers, while using the same technology. The Stainless Steel Super 44 mufflers deliver a deep, rich tone with an improved flow path radius, optimum internal flow, and sound control engineering, all created with Flowmaster's Delta Flow technology. They are the most aggressive, deepest sounding, highest performing 4 in. case street mufflers that Flowmaster has ever built, exceeding OEM specifications for use on street cars, race cars, and sport trucks. They are ideal when dynamic sound, torque, and horsepower improvements are demanded in a smaller high performance muffler. Their maximum performance and improved flow path will generate more torque and power than ever before! If you really want to hear your exhaust system inside as well as outside of your vehicle, then these Stainless Steel Super 44 Flowmaster mufflers are for you.
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$126.95
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On Sale
Flowmaster 50 series Big Block mufflers have proven to not only significantly improve acceleration and towing power, but to simultaneously increase fuel economy as well. Because of their efficiency, underhood temperatures on trucks and motor homes can be reduced as much as 200 degrees F--helping to lengthen the service life of other engine components. These mufflers are designed and sized for larger gas and diesel engines typically used in towing vehicles and RVs. So, for more comfortable cruising, Flowmaster tuned them for reduced exterior exhaust sound and lower levels of interior resonance.
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On Sale
Flowmaster patented Delta Flow technology was used to create the Delta Force 10 Series mufflers. They provide maximum scavenging, for added torque and horsepower in race applications where mufflers are required. This revolutionary technology has allowed Flowmaster to shrink case sizes for improved ground clearance. Flowmaster builds this series of mufflers by hand to ensure that they are the very best, in the most demanding environments. These are the mufflers to use when all that counts is winning!
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On Sale
Producing an aggressive muscle car sound, the Flowmaster 80 Series crossflow mufflers are specially designed for applications where the muffler must be mounted transversely behind the rear axle. Whether you need to match an OEM exhaust system or are looking for increased ground clearance, these mufflers fit the bill. They are available in your choice of single inlet/dual outlet or dual inlet/dual outlet configurations--order yours today!
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On Sale
Flowmaster resonators can provide your existing exhaust system with some additional sound control. They reduce interior resonance and are crafted in two styles from durable, fully welded 16-gauge aluminized steel or 409 stainless steel. Both offer a universal inline fit to be used with Flowmaster mufflers or installed in the tailpipes behind the mufflers in dual muscle car applications but can also be used in smaller displacement truck and SUV applications. Choose the style best suited for your application.
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On Sale
The proven race design of the Pro series mufflers from Flowmaster delivers performance equal to and surpassing open-pipe systems. From street trucks to diesel "pullers" to every class of dirt or asphalt racing, the performance of these Pro series mufflers is matched only by their ability to dramatically reduce sound levels across the rpm range. Flowmaster mufflers offer 409 stainless steel internal construction enclosed in a durable, fully welded, 18-gauge steel case. Master the flow of your diesel system like a pro with Flowmaster Pro series mufflers.
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On Sale
Flowmaster stainless steel 50 Series SUV performance mufflers are a larger version of Flowmaster's famous 50 series mufflers, and are designed specifically for trucks, SUVs, and large displacement car engines. They feature a special tuning chamber that reduces interior resonance, while their larger case improves sound control and optimizes exhaust flow. These mufflers are manufactured from fully welded 16 gauge stainless steel for the ultimate in durability.
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$206.95
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On Sale
Flowmaster SUV performance mufflers are a larger version of Flowmaster's famous 50 Series mufflers, and are designed specifically for trucks, SUVs, and large displacement car engines. They feature a special tuning chamber that reduces interior resonance, while their larger case improves sound control and optimizes exhaust flow.
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On Sale
Flowmaster 50 Series heavy-duty mufflers can deliver more horsepower and increase torque and fuel mileage. Specifically designed for gas and diesel applications, the 50 Series heavy-duty mufflers can significantly improve acceleration and towing power while also increasing fuel economy.
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On Sale
Are you looking for a race-winning muffler with the distinctive two-chamber sound? Look no further. Flowmaster's patented Delta Flow technology was used to create stainless steel Delta Force Race line mufflers. These mufflers provide excellent flow and scavenging, for added torque and horsepower in race applications. They are manufactured from fully welded 16-gauge stainless steel for maximum durability. This revolutionary technology has allowed Flowmaster to shrink case sizes for improved ground clearance.
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$165.95
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$149.35
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$158.35
On Sale
Get the maximum of what you need—quiet power—and the minimum of what you don't—added weight—with Flowmaster Pro Series Outlaw race mufflers. Responding to the increasing number of tracks that regulate sound emissions, Pro Series Outlaws offer the utmost decibel reduction with the least amount of weight and no shortage of power! They're surprisingly quiet, netting a reduction of approximately 8-10 decibels over open headers, and can be run with a turndown for further noise reduction. You can even use them as an addition to your existing exhaust system for quieter sound. Plus, you can run them with methanol or gas engines. Race like a bandit on the run—but legally—with Pro Series Outlaw race mufflers from Flowmaster.
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$124.95
$112.45
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