Flowmaster American Thunder Cat-Back Exhaust System - 817541

Regular Price: $1,230.95

Special Price $1,029.29

& FREE Shipping

Save an additional $51.46 by using code FLOWSALE in shopping cart

Availability: In Stock Ready to Ship

2011-2019 Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L engine

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

Exhaust Series American Thunder
Exit Position Dual Out Rear / Dual Out Side
Inlet Diameter 3.5 in.
Material 409 Stainless Steel
Muffler Quantity 1
Muffler Series 50 Series HD
Outlet Diameter 3 in.
View Complete Specs

Product Specifications

Exhaust Series American Thunder
Exit Position Dual Out Rear / Dual Out Side
Inlet Diameter 3.5 in.
Material 409 Stainless Steel
Muffler Quantity 1
Muffler Series 50 Series HD
Outlet Diameter 3 in.
Product Type Exhaust System
Single Dual Dual
Sound Level Aggressive / Moderate
System Type Cat-back
Tip Diameter 4 in.
Tip Length 13 in.
Tip Quantity 2
Tubing Diameter 4 in.
×

View Compatible Vehicles

Compatible Vehicles

Swipe Left & Right to See All Vehicle Information
YearVehicleSubmodelNotes
2016-2019 Chevrolet Silverado 2500 HD High Country / LT / LTZ / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2015 Chevrolet Silverado 2500 HD High Country / LT / LTZ
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 Chevrolet Silverado 2500 HD LT / LTZ
V8 6.0L
Crew Cab 78.8 Inch Bed
2016-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2019 GMC Sierra 2500 HD Base / Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 GMC Sierra 2500 HD Denali / SLE / SLT / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2018 GMC Sierra 3500 HD Base / Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 GMC Sierra 3500 HD Denali / SLE / SLT / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2019-2019 GMC Sierra 3500 HD Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed
×






Exhaust Series American Thunder
Exit Position Dual Out Rear / Dual Out Side
Inlet Diameter 3.5 in.
Material 409 Stainless Steel
Muffler Quantity 1
Muffler Series 50 Series HD
Outlet Diameter 3 in.
View Complete Specs

Product Specifications

Exhaust Series American Thunder
Exit Position Dual Out Rear / Dual Out Side
Inlet Diameter 3.5 in.
Material 409 Stainless Steel
Muffler Quantity 1
Muffler Series 50 Series HD
Outlet Diameter 3 in.
Product Type Exhaust System
Single Dual Dual
Sound Level Aggressive / Moderate
System Type Cat-back
Tip Diameter 4 in.
Tip Length 13 in.
Tip Quantity 2
Tubing Diameter 4 in.
×

Product 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.

Compatible Vehicles

Compatible Vehicles

YearVehicleSubmodelNotes
2016-2019 Chevrolet Silverado 2500 HD High Country / LT / LTZ / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2015 Chevrolet Silverado 2500 HD High Country / LT / LTZ
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 Chevrolet Silverado 2500 HD LT / LTZ
V8 6.0L
Crew Cab 78.8 Inch Bed
2016-2019 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2019 GMC Sierra 2500 HD Base / Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 GMC Sierra 2500 HD Denali / SLE / SLT / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2015-2018 GMC Sierra 3500 HD Base / Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed
2011-2014 GMC Sierra 3500 HD Denali / SLE / SLT / WT
V8 6.0L
Crew Cab 78.8 Inch Bed
2019-2019 GMC Sierra 3500 HD Denali / SLE / SLT
V8 6.0L
Crew Cab 78.8 Inch Bed

Don't See Your Vehicle Here?

Call Us at 800-371-4413 and Speak to a Vehicle Fitment Specialist

Don't See Your Vehicle Here? Call Us at 800-371-4413 and Speak to a Vehicle Fitment Specialist

Additional Information

Manufacturer Flowmaster
Part Number 817541
Condition New with Manufacturer Warranty