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Precision-manufactured by the pioneers in exhaust performance, Borla ProXS mufflers feature proven, high performance technology that is surprisingly affordable. These silencers are manufactured from rust-resistant, aircraft-quality T-304 stainless steel. They'll deliver more power, improved fuel economy, prolonged engine life, and a street-commanding growl that conveys performance. Borla ProXS mufflers are available in a variety of inlet and outlet size/quantity/location configurations.
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$111.99
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$340.99
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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$449.95
$99.95
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$337.95
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.
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$132.95
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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$283.95
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$299.95
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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$271.95
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$319.95
Summit Bucks
Dynomax Ultra Flo X-pipe mufflers not only improve your fuel economy, but they give you better performance, too. Their unique, internal X-pipe design maximizes flow and power. They are made of fully arc welded stainless steel for premium appearance, corrosion resistance, and durability. Plus, they're packed with continuous roving fiberglass for a deep, powerful, true performance sound. You'll like the sound, Dynomax guarantees it! If these mufflers don't live up to your expectations within the first 90 days, send them back to Dynomax and get a full refund.
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$179.99
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$229.99
Borla Touring mufflers are an ideal choice for daily drivers—quiet when they need to be, and more aggressive when you open them up! If you prefer a subdued exhaust, these mufflers deliver the perfect note, decibel level, and deepness. They feature patented straight-through multi-core technology for increased exhaust velocity and fuel economy, and are stainless steel for maximum durability. Searching for a muffler that purrs like a kitten and roars like a lion on command? Then your best value may just be the Borla Touring mufflers!
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$251.99
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$289.99
On Sale
MBRP XP Series mufflers are constructed from quality 409 stainless steel with fully-welded bodies, and are built to stand up to salt, rocks, tar, grime, and whatever else the elements may throw at it. MBRP Performance offers the XP Series in different muffler configurations to give you extra power and torque, improve your fuel economy, and deliver a throaty, rumbling exhaust note. Don't let your stock exhaust drag you down—improve your ride's performance with MBRP XP Series mufflers! Order the model suited to fit your application needs.
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$364.99
$184.99
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$314.99
MBRP Installer Series mufflers maximize exhaust flow, so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency, more torque, more horsepower, and a sound that is pure MBRP. These round case, high-flow performance mufflers are built from aluminized steel, with louvered tube fiberglass packing. They're available in a variety of lengths and inlet/outlet/overall diameters. The mufflers have a standard outlet style, without tip. Order the Installer Series model that best fits your exhaust setup.
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$204.99
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$324.99
If you want head-turning attention and ultra-aggressive sound, step into SLP Performance Loud Mouth bullet resonators. These Loud Mouth "shotgun" resonators offer wide-open exhaust flow and race-ready performance, with a resonance that will fuel your soul. Constructed from hand-polished stainless steel, each resonator boasts its own unique tone and flow characteristics! Loud Mouth bullet resonators are also embossed with the classic SLP logo. Offering performance, style, and the sound that you hear in your dreams, these resonators are the complete package.
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$94.99
Schoenfeld anti-reversion mufflers free up horsepower and torque. Their specially designed chambers prevent the backflow of exhaust gasses, contamination of the air/fuel mixture--while improving engine efficiency. They're manufactured from steel and coated with a temporary non-high-temperature paint. Order the model with size specs that best suit your exhaust system application.
Not Yet Reviewed
$67.99
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$75.99
Increase fuel economy and performance with Walker RV mufflers. Their proven performance helps you tackle steep climbs with increased engine power when it's needed most, and the RV mufflers' flow-through design reduces engine backpressure without affecting acoustics.
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$91.99
When you want huge power gains on the street or strip, then Jones Exhaust Full Boar V-Power series mufflers' setup is just for you. These mufflers feature Jones' patented "flow deflector" technology. It provides for superior flow of exhaust gases and results in increased horsepower, torque, fuel economy, and a powerful, aggressive, deep sound at any rpm range, for the sound that you crave. All units are 100 percent reversible with no effect on performance.
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$92.99
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$99.99
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.
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$69.95
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$399.95
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.
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$169.95
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$184.95
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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$99.95
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.
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$134.95
MagnaFlow performance mufflers are designed to provide your vehicle with more power and excellent sound. These exhaust units are available in several styles, and most feature a large-diameter, perforated stainless steel core with a straight-through design—for unrestricted flow and sound control. All contact points are lap-jointed and welded to avoid distortion or cracking at the seams. The mufflers are available in a variety of inlet/outlet diameters, inlet quantities, shapes, and finishes. Order the model that best suits your vehicle application.
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$130.00
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$195.00
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.
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$239.95
$155.95
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$239.95
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.
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$149.95
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$189.95
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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$449.95
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!
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$161.95
$89.95
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$166.95
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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$243.95
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$249.95
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.
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$136.95
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