Holiday Sales

Flowmaster 44 Series Chambered Muffler 3.00" In/2.25" Out 9430472 Super 44 - 3.00 Center In / 2.25 Dual Out - Aggressive Sound Flowmaster's Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40 mufflers. The Super 44...

Flowmaster 10 Series Delta Force Race Muffler 3.00" In/Out 9430119 10 Series Race Muffler - 3.00 Offset In / 3.00 Center Out - Aggressive Sound Single chamber. The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's...

Flowmaster 40 Series Delta Flow Chambered Muffler 2.25" In/Out 942440 40 Delta Flow® - 2.25 Center In / 2.25 Center Out - Aggressive Sound This two chamber design incorporates Flowmaster's Delta Flow® technology. The Delta deflectors generate...

Flowmaster 40 Series Chambered Muffler 3.00" In/2.50" Out 8530452 The Super 40® features Flowmaster's Delta Flow® technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful...

Flowmaster 44 Series Chambered Muffler 3.0" In/2.5" Out 8430452 Super 44 Series Stainless Steel - 3.00 Center In / 2.50 Dual Out - Aggressive Sound Flowmaster's Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40...

Flowmaster 44 Series Chambered Muffler 2.25" Offset 842448 Super 44 Series Stainless Steel - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound Flowmaster's Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40...

Flowmaster 40 Series Delta Flow Chambered Muffler 2.25" In/Out 842443 40 Delta Flow® Stainless Steel - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound This two chamber design incorporates Flowmaster's Delta Flow® technology. The Delta...

Flowmaster 40 Series Delta Force Race Muffler 2.5" In/Out 8325408 40 Series Race Muffler 409SS - 2.50 Center In / 2.50 Center Out -Aggressive Sound The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology...

Flowmaster 2011-18 Silverado/Sierra 1500 American Thunder Cat-Back Exhaust System 817602 Fits 2011-2018 Chevrolet Silverado 1500, GMC Sierra 1500 with 6.2L engine. - Aggressive to moderate sound The American Thunder® Cat-back exhaust system...

Flowmaster 2007-08 Silverado/Sierra 1500 4.8L Force II Cat-Back Exhaust System 817523 2007-2008 GM Silverado/Sierra 1500 4.8L, 5.3L engine flex fuel. All wheelbases except EC/LB. Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L Extended Cab/6-ft...

Flowmaster 2019-24 GM Silverado/Sierra 1500 Signature Series Exhaust System 737894 Fits 2019*-2024 (*New Body) Chevrolet / GMC Silverado / Sierra 1500 Crew Cab/Double Cab models with 5.3L and factory dual tailpipes, 304 Stainless Steel...

Flowmaster Delta Force GM 2007-08 Cold Air Intake 615119 Fits 2007*-2008 (*New body) GM 1500 Trucks & SUV's with 4.8L, 5.3L, 6.0L or 6.2L engines. Take the performance of your vehicle to the next level with the addition of Flowmaster's new...