Free shipping on orders over C$100

Flowmaster Flow FX Direct Fit Dual Mode Muffler with Active Valve for Chevrolet and GMC

Part # 717911

  • Deep Performance Tone from "Straight-through" Flow FX Muffler
  • Max Dyno Gains of 9 hp and 11 lb.ft. of Torque
  • Features Flowmasters W.A.V.E. Technology
  • Very Aggressive Active By-Pass Sound
  • Mandrel-bent Stainless Steel Tubing
  • Wireless Controlled Actuator Motor
  • Detailed Installation Instructions
  • Direct-fit Replacement Muffler
  • Includes a High Quality Valve
  • Stainless Steel Construction
  • Includes Two Key Fobs

Description

Introducing the new Flow FX® Active Dual-mode muffler featuring our new W.A.V.E. Technology™ (Wireless Active Valve Exhaust™) for all 2019-2026 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® Flow FX 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 Flow FX 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

Body Height4.10 in
Body Length6.29 in
Body Material409 Stainless Steel
Body Width9.61 in
Clamps IncludedYes
Exhaust SeriesFlow FX
Exhaust Tip Quantity1
Exhaust Tip StyleSingle Wall
Exit StyleOEM
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Heat Shield AttachedNo
Heat Shield IncludedNo
Inlet Inside Diameter2.75 in
Inlet LocationOffset
Inlet Outside Diameter2.88 in
Inlet Quantity1
Inlet TypeSlip-Fit
Main Piping Diameter3.00 in
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length14.00 in
Muffler ColorSilver
Muffler Inlet Diameter3.00 in
Muffler Inlet LocationOffset
Muffler Material409 Stainless Steel
UPC / GTIN00700042039388
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngine
2019 - 2021ChevroletSilverado 1500Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT5.3L V8
2022ChevroletSilverado 1500Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT5.3L V8
2023 - 2026ChevroletSilverado 1500Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT5.3L V8
2022ChevroletSilverado 1500 LTDHigh Country, LT, LT Trail Boss, LTZ, RST, SSV, WT5.3L V8
2019 - 2021GMCSierra 1500AT4, Base, Denali, Elevation, SLE, SLT5.3L V8
2022 - 2026GMCSierra 1500Denali, Elevation, Pro, SLE, SLT5.3L V8
2022GMCSierra 1500 LimitedDenali, Elevation, Pro, SLE, SLT5.3L V8