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Flowmaster Flow FX Cat-Back Exhaust System

Mfg Part #
718111
NP#
FLO718111
Brand
Flowmaster
Fitment Note
Black Ceramic Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY

Fits 2020 to 2026 Chevrolet Silverado 2500 HD, Silverado 3500 HD, and 1 more make. See every vehicle

  • Max increases of up to 9 hp and 10 lb-ft over the stock exhaust at the rear wheels
  • 3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • 4.50-Inch black ceramic coated tips add a custom look to the truck
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Flow FX “straight through” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
$1,419.99 CAD Free shipping in Canada, ships today
Free shipping in Canada, ships todayFree shipping in Canada
Availability: This product is in our Burlington warehouse.

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Description

This Flowmaster® Flow FX® cat-back exhaust system for the 2020-2025 GM 2500HD/3500HD trucks with the 6.6-liter gas engine is manufactured using durable 409 stainless steel throughout and features 3.50 to dual 3.00-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 +9 hp and +10 lb-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic tips for added style and a custom 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.

Warranty: Manufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngine
2020 - 2026ChevroletSilverado 2500 HDCustom, High Country, LT, LTZ, WT6.6L 401 V8
2020 - 2026ChevroletSilverado 3500 HDHigh Country, LT, LTZ, WT6.6L 401 V8
2020 - 2021GMCSierra 2500 HDAT4, Base, Denali, SLE, SLT6.6L 401 V8
2022 - 2026GMCSierra 2500 HDAT4, Denali, Pro, SLE, SLT6.6L 401 V8
2020 - 2021GMCSierra 3500 HDAT4, Base, Denali, SLE, SLT6.6L 401 V8
2022 - 2026GMCSierra 3500 HDAT4, Denali, Pro, SLE, SLT6.6L 401 V8

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