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.
( 355 )
$99.95
On Sale
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.
( 384 )
$69.95
On Sale
Flowmaster Stainless Steel American Thunder exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is Flowmaster's use of mandrel-bent tubing. Their tubing allows for superior exhaust gas flow, while their stainless steel construction allows for their corrosion-resistant qualities. These American Thunder exhaust systems also feature a stainless steel muffler(s) that'll give you plenty of Flowmaster sound.
( 302 )
$1,049.95
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$1,099.95
On Sale
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.
( 28 )
$239.95
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.
( 362 )
$169.95
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$184.95
On Sale
Flowmaster FlowFX exhaust systems are a "sound" choice for your vehicle. Delivering a moderately aggressive tone, they're built with bright 409S stainless steel tubing, and FlowFX straight-through mufflers with large cores for maximum performance and a deep sound. Many systems also include 304 stainless steel tips finished in a black ceramic coat or polished, and embossed with the Flowmaster logo. Flowmaster FlowFX exhaust systems are designed for ease-of-installation, and include all necessary parts, hardware, and detailed instructions. Choose the style, pipe size, muffler quantity and configuration for best fitment on your vehicle.
( 157 )
$849.95
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.
( 58 )
$132.95
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.
( 396 )
$134.95
On Sale
Flowmaster American Thunder exhaust systems are designed with the latest exhaust technology available--resulting in improved acceleration, passing power, and fuel mileage. A key to these performance upgrades is Flowmaster's use of mandrel-bent tubing, which allows superior exhaust gas flow. The systems also feature mufflers (single or dual) that deliver plenty of the rich Flowmaster sound you expect. Components are built from stainless steel or aluminized steel; and some models include tips. American Thunder exhausts are available in more than a hundred configurations for fitment on specific truck and car applications.
( 543 )
$1,149.95
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$1,399.95
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.
( 110 )
$136.95
$89.95
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$136.95
On Sale
Flowmaster Super 50 series muffler is a larger version of Flowmaster's famous 50 series mufflers, and designed for trucks and SUV's, it is also well suited to muscle car and high-performance applications. They are constructed of 16-gauge aluminized steel and fully MIG welded for maximum durability and feature a special tuning chamber that reduces interior resonance, while their larger case improves sound control and optimizes exhaust flow.
( 64 )
$199.95
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.
( 184 )
$149.95
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$166.95
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!
( 144 )
$161.95
$89.95
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$157.95
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!
( 29 )
$184.95
On Sale
These stainless steel Force II exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is the use of mandrel-bent tubing. The tubing allows for superior exhaust gas flow, while stainless steel construction has been utilized for its corrosion-resistant qualities.
( 74 )
$1,399.95
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