Description

The new Flowmaster American Thunder® Cat-back exhaust system for 2011-2019 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with 6.0L, is perfect for the person looking for a moderate to aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel 50 Series HD™ muffler and large dual 3.00-inch stainless steel mandrel bent tailpipes that can be configured to exit either dual out the sides, or dual straight out the back. The system is finished off with beautifully polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Notes: Fits Crew Cab with 6.5' bed length. 153.7" wheelbase only.

Features

  • Uses the Factory Hanger Locations for Easy Installation
  • 50 Series HD Muffler with Delta Flow Technology
  • Multiple Tailpipe Exits Provided in Kit
  • Large 3.00-inch Dual Tailpipes
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Flowmaster Quality

Specifications

2WD/4WD2WD/4WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
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
Inlet Diameter3.5
Main Piping Diameter4.00
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series50 Series HD
Outlet Diameter3
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip Diameter4
Tip Length13
Tip Quantity2
Tubing Diameter4
TypeCat-Back

Compatibility

  • 2011 - 2019 Chevrolet Silverado 2500 HD WT 6.0
  • 2011 - 2019 Chevrolet Silverado 2500 HD LTZ 6.0
  • 2011 - 2019 Chevrolet Silverado 2500 HD LT 6.0
  • 2015 - 2019 Chevrolet Silverado 2500 HD High Country 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD LTZ 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD High Country 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD WT 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD LT 6.0
  • 2011 - 2019 GMC Sierra 2500 HD SLT 6.0
  • 2011 - 2019 GMC Sierra 2500 HD Denali 6.0
  • 2011 - 2019 GMC Sierra 2500 HD SLE 6.0
  • 2011 - 2014 GMC Sierra 2500 HD WT 6.0
  • 2015 - 2019 GMC Sierra 2500 HD Base 6.0
  • 2011 - 2019 GMC Sierra 3500 HD SLT 6.0
  • 2011 - 2019 GMC Sierra 3500 HD Denali 6.0
  • 2011 - 2019 GMC Sierra 3500 HD SLE 6.0
  • 2011 - 2014 GMC Sierra 3500 HD WT 6.0
  • 2015 - 2018 GMC Sierra 3500 HD Base 6.0

The new Flowmaster American Thunder® Cat-back exhaust system for 2011-2019 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with 6.0L, is perfect for the person looking for a moderate to aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel 50 Series HD™ muffler and large dual 3.00-inch stainless steel mandrel bent tailpipes that can be configured to exit either dual out the sides, or dual straight out the back. The system is finished off with beautifully polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Notes: Fits Crew Cab with 6.5' bed length. 153.7" wheelbase only.

Features

  • Uses the Factory Hanger Locations for Easy Installation
  • 50 Series HD Muffler with Delta Flow Technology
  • Multiple Tailpipe Exits Provided in Kit
  • Large 3.00-inch Dual Tailpipes
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Flowmaster Quality
2WD/4WD2WD/4WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
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
Inlet Diameter3.5
Main Piping Diameter4.00
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series50 Series HD
Outlet Diameter3
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip Diameter4
Tip Length13
Tip Quantity2
Tubing Diameter4
TypeCat-Back
  • 2011 - 2019 Chevrolet Silverado 2500 HD WT 6.0
  • 2011 - 2019 Chevrolet Silverado 2500 HD LTZ 6.0
  • 2011 - 2019 Chevrolet Silverado 2500 HD LT 6.0
  • 2015 - 2019 Chevrolet Silverado 2500 HD High Country 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD LTZ 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD High Country 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD WT 6.0
  • 2016 - 2019 Chevrolet Silverado 3500 HD LT 6.0
  • 2011 - 2019 GMC Sierra 2500 HD SLT 6.0
  • 2011 - 2019 GMC Sierra 2500 HD Denali 6.0
  • 2011 - 2019 GMC Sierra 2500 HD SLE 6.0
  • 2011 - 2014 GMC Sierra 2500 HD WT 6.0
  • 2015 - 2019 GMC Sierra 2500 HD Base 6.0
  • 2011 - 2019 GMC Sierra 3500 HD SLT 6.0
  • 2011 - 2019 GMC Sierra 3500 HD Denali 6.0
  • 2011 - 2019 GMC Sierra 3500 HD SLE 6.0
  • 2011 - 2014 GMC Sierra 3500 HD WT 6.0
  • 2015 - 2018 GMC Sierra 3500 HD Base 6.0

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