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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.
( 546 )
$1,049.95
$700.95
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$1,049.95
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.
( 304 )
$899.95
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$1,229.95
$808.95
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$1,105.95
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.
( 398 )
$134.95
$121.45
On Sale
Flowmaster tailpipe kits finish off your exhaust with high-quality mandrel pre-bent pipes. Available in 16-gauge aluminized steel tubing or 16-gauge 409 stainless tubing, Flowmaster tailpipe kits are designed to fit perfectly onto your vehicle with all the quality and performance you expect. These mandrel-bent tubes eliminate kinks in the bend area for improved exhaust flow plus it allows you to route hot exhaust out from under your vehicle, keeping it cleaner and safer without a loss in performance. Add Flowmaster tailpipe exhaust technology to your ride.
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$315.95
$224.95
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$284.35
On Sale
Flowmaster pipe kits are just like the Flowmaster exhaust systems except they don't include mufflers. This allows more flexibility in choosing the right sound for your vehicle while still providing the convenience of a pre-bent exhaust system.
( 20 )
$549.95
$493.95
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 )
$149.95
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.
( 124 )
$243.95
$219.55
On Sale
These Flowmaster Scavenger Series Elite headers open up airflow for serious added power. All Scavenger Series Elite headers are made of high-quality stainless steel and have been polished ceramic coated. They are available in several styles, such as shorty, full-length, and block hugger to accommodate a large variety of vehicles. They have a standard flange design and include bolts and gaskets for installation. Get yourself a set of these Flowmaster Scavenger Series Elite headers to keep yourself ahead of the competition.
( 68 )
$1,159.95
$1,042.95
On Sale
These intermediate pipe kits from Flowmaster include a combination of S-bend pipes in pairs of different sized outlets. They allow the skilled do-it-yourselfer to fabricate the intermediate pipes of a dual exhaust system.
Not Yet Reviewed
$549.95
$493.95
On Sale
Flowmaster manifold downpipes are designed for the person who wants to use a crossmember-back exhaust system while using the factory exhaust manifolds. Utilizing mandrel bent 409S stainless steel tubing and high quality flange gaskets. Flowmaster's manifold downpipes are designed for the perfect leak free fit. Features: * Mandrel-bent 16 gauge stainless steel tubing * Designed to be used without heat riser * Adapt exhaust to factory manifolds * Large 2.50-inch manifold downpipes
( 41 )
$299.95
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