American Thunder Cat-back Exhaust System 1986-1991 Chevrolet Camaro and Pontiac Firebird with a 5.0L or 5.7L Engine using 2.50-inch Flanged Catalytic Converter.

Our Flowmaster mufflers feature innovative designs like the patented scavenging muffler technology that increases engine horsepower, torque, and mileage, while also offering a range of sound levels.

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Flow FX Chambered Muffler – 2.50” Offset In / 2.50” Offset Out – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71236)

Flowmaster exhaust, get the sound and performance you want from a custom exhaust. Compare muffler tones and read reviews to find the right setup.

Flowmaster 943040 40 Delta Flow Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound 1 Save with Free shipping, arrives in 3+ days Flowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 …

May 5, 2025 · Our full comparison guide includes the loudest to quietest Flowmaster mufflers available. Find the best fit for your ride from the experts at RealTruck.

Get the best Flowmaster Muffler products at the right price. Order online or pickup at your local AutoZone store.

Flowmaster is a legendary name in high-performance exhaust systems and mufflers, trusted by car enthusiasts and performance seekers alike. Known for delivering that signature deep, aggressive …

Aftermarket mufflers have one major purpose, and that’s to reduce exhaust noises. Flowmaster mufflers use patented internal designs to help reduce back pressure and turbulence, which allows for better …