Home » Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler
Flowmaster

Flowmaster 19-25 GM 1500 5.3L FLowFX Direct Fit Active Muffler

SKU: flo717911
Out of stock
$999.95

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

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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. Fits 2019-2026 (New body) GM Silverado/Sierra 1500 5.3L, 2/4 WD, All Wheelbases. - Aggressive to moderate sound Does Not Fit 2019 Classic Body.
  • 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
  • Detailed Installation Instructions
  • Wireless Controlled Actuator Motor
  • Direct-fit Replacement Muffler
  • Includes a High Quality Valve
  • Stainless Steel Construction
  • Includes Two Key Fobs

Fitment:
2019 Chevrolet Silverado 1500
2019 GMC Sierra 1500
2020 Chevrolet Silverado 1500
2020 GMC Sierra 1500
2021 Chevrolet Silverado 1500
2021 GMC Sierra 1500
2022 Chevrolet Silverado 1500
2022 Chevrolet Silverado 1500 LTD
2022 GMC Sierra 1500
2022 GMC Sierra 1500 Limited
2023 Chevrolet Silverado 1500
2023 GMC Sierra 1500
2024 Chevrolet Silverado 1500
2024 GMC Sierra 1500
2025 Chevrolet Silverado 1500
2025 GMC Sierra 1500
2026 Chevrolet Silverado 1500
2026 GMC Sierra 1500


Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1