Description

This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2024 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.

Features

  • Large 3.50 inch Polished 304 Stainless Tips
  • Uses the Factory Hanger Locations
  • Deep, Powerful Performance Tone
  • Full Stainless Steel Construction
  • Clears Factory Spare Tire
  • Lifetime Limited Warranty
  • Mandrel-bent Tubing
  • Easy Installation
  • Max Dyno Gains of 21 hp and 23 lb.ft. of Torque

Specifications

BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip Quantity2
Exit PositionDual Out Rear / Dual Out Side
Exit StyleDual Out Rear
Exit StyleDual Out Side
FinishNatural
Heat ShieldNo
Main Piping Diameter2.50
Main Piping Diameter2-1/2
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length13.5
Muffler ColourBlack
Muffler FinishPainted
Muffler Inlet Diameter3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter2.5
Muffler Outlet LocationDual Outlet
Muffler Overall Length19.5
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 40 Series
Muffler ShapeOval
Muffler TypeReflection
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip CutAngle
Tip Diameter3.5
Tip Edge StyleCut
Tip FinishPolished
Tip Length13
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.5
Tubing Material409S Stainless Steel
TypeCat-Back

Compatibility

  • 2022 - 2022 Chevrolet Silverado 1500 LTD High Country 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LT 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LT Trail Boss 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LTZ 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD RST 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD SSV 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD WT 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 Custom Trail Boss 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 High Country 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LT 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LT Trail Boss 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LTZ 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 RST 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 WT 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 SSV 5.3
  • 2023 - 2024 Chevrolet Silverado 1500 PPV 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Denali 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Elevation 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Pro 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited SLE 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited SLT 5.3
  • 2019 - 2024 GMC Sierra 1500 Denali 5.3
  • 2019 - 2024 GMC Sierra 1500 Elevation 5.3
  • 2019 - 2024 GMC Sierra 1500 SLE 5.3
  • 2019 - 2024 GMC Sierra 1500 SLT 5.3
  • 2019 - 2021 GMC Sierra 1500 AT4 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 5.3
  • 2022 - 2024 GMC Sierra 1500 Pro 5.3

This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2024 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.

Features

  • Large 3.50 inch Polished 304 Stainless Tips
  • Uses the Factory Hanger Locations
  • Deep, Powerful Performance Tone
  • Full Stainless Steel Construction
  • Clears Factory Spare Tire
  • Lifetime Limited Warranty
  • Mandrel-bent Tubing
  • Easy Installation
  • Max Dyno Gains of 21 hp and 23 lb.ft. of Torque
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip Quantity2
Exit PositionDual Out Rear / Dual Out Side
Exit StyleDual Out Rear
Exit StyleDual Out Side
FinishNatural
Heat ShieldNo
Main Piping Diameter2.50
Main Piping Diameter2-1/2
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length13.5
Muffler ColourBlack
Muffler FinishPainted
Muffler Inlet Diameter3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter2.5
Muffler Outlet LocationDual Outlet
Muffler Overall Length19.5
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 40 Series
Muffler ShapeOval
Muffler TypeReflection
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip CutAngle
Tip Diameter3.5
Tip Edge StyleCut
Tip FinishPolished
Tip Length13
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.5
Tubing Material409S Stainless Steel
TypeCat-Back
  • 2022 - 2022 Chevrolet Silverado 1500 LTD High Country 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LT 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LT Trail Boss 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD LTZ 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD RST 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD SSV 5.3
  • 2022 - 2022 Chevrolet Silverado 1500 LTD WT 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 Custom Trail Boss 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 High Country 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LT 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LT Trail Boss 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 LTZ 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 RST 5.3
  • 2019 - 2024 Chevrolet Silverado 1500 WT 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 SSV 5.3
  • 2023 - 2024 Chevrolet Silverado 1500 PPV 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Denali 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Elevation 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited Pro 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited SLE 5.3
  • 2022 - 2022 GMC Sierra 1500 Limited SLT 5.3
  • 2019 - 2024 GMC Sierra 1500 Denali 5.3
  • 2019 - 2024 GMC Sierra 1500 Elevation 5.3
  • 2019 - 2024 GMC Sierra 1500 SLE 5.3
  • 2019 - 2024 GMC Sierra 1500 SLT 5.3
  • 2019 - 2021 GMC Sierra 1500 AT4 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 5.3
  • 2022 - 2024 GMC Sierra 1500 Pro 5.3

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