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Flowmaster Outlaw Cat-back Exhaust System for Chevrolet and GMC

Part # 817854

  • Large 4.00-inch Black Ceramic Coated Stainless Tips
  • Deep Powerful Tone Inside and Outside the Vehicle
  • Max Dyno Gains of 10 hp and 13 lb.ft. of Torque
  • Mandrel-bent 3.00-inch Dual Tailpipes
  • Uses the Factory Hanger Locations
  • Full Stainless Steel Construction
  • Lifetime Limited Warranty
  • Easy at Home Installation

Description

This Flowmaster® Outlaw® Cat-back exhaust system is perfect for the person looking for maximum sound levels both inside and outside the vehicle and are not afraid of getting peoples attention. This emissions-legal system is for the 2019 (new body style) to 2026 GM Silverado/Sierra 1500 trucks with 5.3L engine and features a stainless steel Super 10™ Series muffler, all mandrel-bent 3.00-inch stainless steel tubing and uses the factory hanger locations for an easy installation. The large dual 3.00-inch stainless tailpipes ensure maximum power and a deep powerful sound. This bolt-on system comes with your choice of tailpipe exits, either dual out the rear, or dual out the sides behind the rear wheels which prevents blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 4.00-inch double wall black ceramic coated stainless tips for a custom look. Designed for a perfect-fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Maximum dyno gains of 10 hp and 13 lb.ft. at the rear wheels. Notes: Fits Crew Cab and Double Cab models with factory single tailpipe only.

Specifications

CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
Clamping TypeFlat Band
Clamps IncludedYes
Exhaust SeriesOutlaw
Exhaust Tip ColorBlack
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter4.00 in
Exhaust Tip EdgeAngle Cut
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip IntercooledNo
Exhaust Tip Length13.00 in
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallDouble Wall
Exit StyleDual Out Side
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet TypeClamp-On
Main Piping Diameter3.00 in
UPC / GTIN00700042038794
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
2019 - 2021ChevroletSilverado 1500Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2022ChevroletSilverado 1500Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2023 - 2026ChevroletSilverado 1500Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2022ChevroletSilverado 1500 LTDHigh Country, LT, LT Trail Boss, LTZ, RST, SSV, WT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2019 - 2021GMCSierra 1500AT4, Base, Denali, Elevation, SLE, SLT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2022 - 2026GMCSierra 1500Denali, Elevation, Pro, SLE, SLT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes
2022GMCSierra 1500 LimitedDenali, Elevation, Pro, SLE, SLT5.3L V8Black Ceramic Tip Finish, Fits crew and double cab models; Black Ceramic Tip Finish, Does not fit crew cab 2WD with 2 PC driveshaft; Black Ceramic Tip Finish, Does not fit models with factory dual tail pipes; Fits crew and double cab models; Does not fit crew cab 2WD with 2 PC driveshaft; Does not fit models with factory dual tail pipes