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Fitment

YearMakeModelSub Model
2019-2023GMCSierra 1500AT4
2019-2023ChevroletSilverado 1500High Country
2019-2023GMCSierra 1500SLT
2019-2023GMCSierra 1500Denali
2019-2023ChevroletSilverado 1500LTZ
2020-2023ChevroletSilverado 1500RST
2020ChevroletSilverado 1500LT Trail Boss
2020-2021ChevroletSilverado 1500Custom Trail Boss
2022-2023GMCSierra 1500Denali Ultimate
2022ChevroletSilverado 1500 LTDHigh Country
2022GMCSierra 1500 LimitedAT4
2022-2023ChevroletSilverado 1500LT Trail Boss
2022ChevroletSilverado 1500 LTDLT Trail Boss
2022GMCSierra 1500 LimitedDenali
2022ChevroletSilverado 1500 LTDLTZ
2022ChevroletSilverado 1500 LTDCustom Trail Boss
2022ChevroletSilverado 1500 LTDRST
2022GMCSierra 1500 LimitedSLT

Quick Specs

  • Country of Origin: USA
  • Sold As: Kit
  • Availability: Available
  • Exhaust Type: Cat Back
  • Exit Style: Dual Out Side
  • Mount Style: Clamp-On
  • Shape: Oval
  • Part Number : 717890

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

Flow Fx Cat-Back Exhaust System Fits 2019-2023 Silverado/Sierra 1500 6.2L V8 Flow Fx 3.5 Inch To Dual 2.5 Inch Cat-Back, Dual Rear Exit, Stainless Steel Exhaust System Flowmaster

Fits 2019-2023 GMC Sierra 1500 AT4 Chevrolet Silverado High Country SLT Denali LTZ 2020-2023 RST 2020 LT Trail Boss 2020-2021 Custom 2022-2023 Ultimate 2022 LTD Limited
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
Flow Fx Cat-Back Exhaust System Fits 2019-2023 Silverado/Sierra 1500 6.2L V8 Flow Fx 3.5 Inch To Dual 2.5 Inch Cat-Back, Dual Rear Exit, Stainless Steel Exhaust System Flowmaster
799.95In stock
Fits 2019-2023 GMC Sierra 1500 AT4 Chevrolet Silverado High Country SLT Denali LTZ 2020-2023 RST 2020 LT Trail Boss 2020-2021 Custom 2022-2023 Ultimate 2022 LTD Limited
  • Brand : Flowmaster
  • SKU : 717890-BDXN
  • Part Number : 717890
$799.95

Out of stock

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Product Details

This Flowmaster Flow FX cat-back exhaust system for the 2019-2023 GM Silverado/Sierra 1500 trucks with the 6.2L engine and factory dual exhaust, is manufactured using durable 409 stainless steel throughout and features 3.5-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX straight-through muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +26 hp and +39 lb.ft at the rear wheels.

This system fits all wheelbases and connects to the factory exhaust tips that exit in the rear bumper for a stealthy look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.

  • Max Increases of up to 26 hp and 39 lb.ft. over the stock exhaust at the rear wheels
  • 3.5-inch and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Connects to the factory dual exhaust tips for a stealthy look
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • FlowFX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
  • Backed by Flowmaster’s Lifetime Limited Warranty
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