Flowmaster 717911 FlowFX Direct Fit Muffler Kit Flowmaster 717911

Introducing the new FlowFX Active Dual-mode muffler featuring our new W.A.V.E. Technology (Wireless Active Valve Exhaust) for all 2019-2022 GM Silverado/Sierra 1500 (new body style) with 5.3L engine. This direct-fit replacement muffler has split personalities with a nice performance tone over the stock exhaust system, thanks to the Flowmaster FlowFX performance muffler. The system also features a high quality wireless controlled actuator valve on the Power Chamber redirecting exhaust through the turn down, giving you that deep open exhaust sound with just a push of a button. System features include mandrel-bent stainless steel construction leading into the Power Chamber, followed by a round FlowFX performance muffler that easily connects to the factory tailpipe. The Power Chamber houses a wireless controlled valve with a large 3.00-inch turndown dump style tailpipe letting everyone know who the Boss is once activated. Other system features include actuator motor, control unit, two wireless key fobs, all necessary wiring, hardware, and detailed instructions. Maximum dyno gains of 9 hp and 11 lb. Ft. at the rear wheels. Note: Fits 2019 (New body) 2/4 wheel drive and all wheelbases.

Specifications:

Description_DES	FlowFX Direct Fit Muffler Kit
Description_EXT	FlowFX Direct Fit Muffler Kit; Single; Dual Out Rear Exit; Incl. 3 in. Tubing/3 in. Round Tip; 409 Stainless Steel; w/Active Valve;
Description_FAB	Deep Performance Tone From Flowfx Muffler
Description_FAB	Very Aggressive Tone With Active By-pass
Description_FAB	Wireless Controlled Actuator Motor
Description_FAB	Direct-fit Replacement Muffler
Description_FAB	Stainless Steel Construction
Description_FAB	Includes Two Key Fobs
Description_MKT	Introducing the new FlowFX Active Dual-mode muffler featuring our new W.A.V.E. Technology (Wireless Active Valve Exhaust) for all 2019-2022 GM Silverado/Sierra 1500 (new body style) with 5.3L engine. This direct-fit replacement muffler has split personalities with a nice performance tone over the stock exhaust system, thanks to the Flowmaster FlowFX performance muffler. The system also features a high quality wireless controlled actuator valve on the Power Chamber redirecting exhaust through the turn down, giving you that deep open exhaust sound with just a push of a button. System features include mandrel-bent stainless steel construction leading into the Power Chamber, followed by a round FlowFX performance muffler that easily connects to the factory tailpipe. The Power Chamber houses a wireless controlled valve with a large 3.00-inch turndown dump style tailpipe letting everyone know who the Boss is once activated. Other system features include actuator motor, control unit, two wireless key fobs, all necessary wiring, hardware, and detailed instructions. Maximum dyno gains of 9 hp and 11 lb. Ft. at the rear wheels. Note: Fits 2019 (New body) 2/4 wheel drive and all wheelbases.
Description_SHO	Muffler

This Part Fits:

Year	Make	Model	Submodel	Notes
2020	Chevrolet	Silverado 1500
2021	Chevrolet	Silverado 1500
2020	GMC	Sierra 1500
2021	GMC	Sierra 1500