Exhaust Mufflers & Tips

This American Thunder system fits 2001-2006 GM Suburban, Avalanche and Yukon XL 1500 SUV's and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16-gauge...

The Force II® system is the perfect choice for the person who wants a subtle custom appearance with all the benefits and sound that a Flowmaster® single cat-back exhaust provides. The system...

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides, the S.O.S. (single out side) systems are the perfect choice. This Force...

This Flowmaster American Thunder® cat-back exhaust system for the 2006-2008 Dodge Ram 1500 trucks with the 5.7L Hemi engine is perfect for the person looking for a deep aggressive exterior sound with...

This American Thunder® Crossmember-Back exhaust system is designed for all 1964-1966 Ford Mustang hardtop coupes with a V8 engine. The system features a free-flowing 2.50-inch mandrel-bent stainless steel H-pipe flowing into a...

This Flowmaster American Thunder® cat-back exhaust system for the 2004-2008 Ford F-150 and Lincoln Mark LT trucks with the 4.6L or 5.4L engines, is perfect for the person looking for a deep...

Our American Thunder® exhaust system for 1986-1993 Ford Mustang LX (Fox body) with the 5.0L engine is a bolt-on emissions legal system. Features free-flowing 2.50-inch mandrel-bent stainless steel inlet pipes flowing into...

This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1969 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent stainless steel...

Wake up the power and performance of your 5.7L Hemi-powered 2004-2005 Dodge Ram 1500 with this American Thunder Cat-back exhaust system. The system is fully constructed from 16-gauge mandrel-bent stainless steel tubing...

For the person who is looking for a complete Crossmember-Back dual exhaust system for your 1955-1957 Chevy coupes and sedans. This American Thunder® system is manufactured from 2.50-inch mandrel-bent stainless steel for...

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge...

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge...

The American Thunder® Crossmember-Back exhaust system is a true dual large 3.00-inch muscle car system for the person who is looking for a deep aggressive sound for their high horsepower vehicle. This...

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge...

Our exclusive Scavenger Series® X-Pipe kits mount ahead of the mufflers in place of a traditional H-pipe and generally provides a significant torque increase with a deep unique sound. Scavenger Series D-Port...

For the person who is looking for a complete Flowmaster® cat-back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder® exhaust system features mandrel-bent 2.50-inch stainless...

These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge stainless steel tubing for maximum flow, tuck up high in the chassis for good clearance, exits straight-out the back under the rear...

This Crossmember-Back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. It's a true-dual exhaust system featuring all mandrel-bent...

These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge stainless steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit straight-out the back under the...

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge...

For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch stainless steel inlet...

This Flowmaster Force II® cat-back exhaust system is custom designed for 1996-1999 Chevrolet Tahoe/GMC Yukon with 5.7L engine and is perfect for the person looking for a mild to moderate sound level...

Flowmaster® is proud to introduce our American Thunder® dual exhaust system for 1967-1974 Chevrolet Camaro, Pontiac Firebird and 1968-1974 Chevrolet Nova's. This all stainless steel exhaust system features our exclusive design 80...

Flowmaster's Scavenger Series Elite shorty headers are designed to replace the restrictive factory manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature...