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Flowmaster FlowFX Direct Fit Dual Mode Muffler with Active Valve

2019-2022 (New body) GM Silverado/Sierra 1500 5.3L, 2/4 WD, All Wheelbases. - Aggressive to moderate sound

Part # 717911 Be the first to write a review
Estimated Ship Date: 02/16/2023
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details
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.

Features:

  • Deep Performance Tone from "Straight-through" FlowFX 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

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Brand Flowmaster
Emission Code5
Exhaust SeriesFlowFX
Exit PositionDOR
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)14
Muffler ColorNatural
Muffler FinishBrushed
Muffler Inlet Diameter (in)3.00
Muffler Inlet LocationOffset
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)dual 3.00 - one is a turndown
Muffler Outlet LocationCentered
Muffler Overall Length (in)40.4
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlowFX
Muffler ShapeRound
Muffler TypeAbsorption
Product TypeExhaust System
Single DualSingle
Sound LevelAggressive / Moderate
System TypeDirect-Fit Muffler
Tip CutTurndown
Tip Diameter3.00
Tip Edge StyleCut
Tip FinishNatural
Tip Length10.00
Tip LogoNone
Tip Material409 Stainless
Tip Quantity1
Tip ShapeRound
Tip StyleSingle Wall
Tubing Diameter (in)3.00
Tubing Material409S Stainless Steel
UPC700042039388
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number717911
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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