American Thunder Cat Back Exhaust System
American Thunder Cat Back Exhaust System
American Thunder Cat Back Exhaust System
American Thunder Cat Back Exhaust System
American Thunder Cat Back Exhaust System
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American Thunder Cat Back Exhaust System

2 sold in last 8 hours
Flowmaster
ds_FLO817602
In stock
$1,365.30
Flowmaster's American Thunder Cat-back exhaust system for the 2011-2018 Chevrolet/GMC Silverado/Sierra 1500 pickups with the 6.2L...
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$1,365.30

American Thunder Cat Back Exhaust System
Flowmaster's American Thunder Cat-back exhaust system for the 2011-2018 Chevrolet/GMC Silverado/Sierra 1500 pickups with the 6.2L V8 engine is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system features a 3.50 inch inlet pipe assembly that runs into a 50 HD Series muffler. The systems uses 2.50 inch mandrel bent tailpipes for maximum performance and then is finished off with 3.50 inch polished stainless steel tips with embossed Flowmaster logos. This dual exit system can be exited out each side or straight out under the rear bumper. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

This fits:

Year Make Model Submodel Notes
2014-2018 Chevrolet Silverado 1500 High Country Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011-2013 Chevrolet Silverado 1500 LT Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011-2018 Chevrolet Silverado 1500 LTZ Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011-2018 GMC Sierra 1500 Denali Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011-2013 GMC Sierra 1500 SLE Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011-2018 GMC Sierra 1500 SLT Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Series(TM)HD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant


Associated Comments Part does not affect Vehicle Emissions
California Proposition 65 Chemical Name 1 Nickel (metallic)
California Proposition 65 Chemical Name 2 Chromium (hexavalent compounds)
Catalytic Converter Included No
Description American Thunder Cat Back Exhaust System
Description_ASC Part does not affect Vehicle Emissions
Description_ASM 2011-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 6.2L V8 gas engine.
Description_DEF Exhaust System Kit
Description_DES American Thunder Cat Back Exhaust System
Description_EXT American Thunder Cat Back Exhaust System; Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 SeriesHD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;
Description_FAB 3 Year Limited Warranty
Description_FAB 3 Year Limited Warranty
Dyno Tuned for Maximum Performance
Includes Hangers And Hardware For Easy Installation
Made in the USA
Mandrel Bent Stainless Steel Tubing
Patented Delta Flow Technology
Premium Flowmaster Quality
Description_FAB Dyno Tuned for Maximum Performance
Description_FAB Includes Hangers And Hardware For Easy Installation
Description_FAB Made in the USA
Description_FAB Mandrel Bent Stainless Steel Tubing
Description_FAB Patented Delta Flow Technology
Description_FAB Premium Flowmaster Quality
Description_INV 11-18 GM 1500 CC-EC 6.2L AMT DOR
Description_KEY Exhaust system; muffler; cat-back; stainless steel; Chevy; GMC; Silverado 1500; Sierra 1500;
Description_LAB Proposition 65
Description_MKT Flowmaster's American Thunder Cat-back exhaust system for the 2011-2018 Chevrolet/GMC Silverado/Sierra 1500 pickups with the 6.2L V8 engine is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system features a 3.50 inch inlet pipe assembly that runs into a 50 HD Series muffler. The systems uses 2.50 inch mandrel bent tailpipes for maximum performance and then is finished off with 3.50 inch polished stainless steel tips with embossed Flowmaster logos. This dual exit system can be exited out each side or straight out under the rear bumper. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Description_SHO Exhaust System Kit
Diameter 2.500 in.
Diameter 3.500 in.
Dimensional Weight 0
Exhaust Series American Thunder
Exhaust type Dual
Exit Style Straight
Extended Description American Thunder Cat Back Exhaust System; Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 SeriesHD Muffler/3.5 in. Logo Embossed Stainless Tip; 409 Stainless Steel;
Features & Benefits 3 Year Limited Warranty
Features & Benefits 3 Year Limited Warranty
Dyno Tuned for Maximum Performance
Includes Hangers And Hardware For Easy Installation
Made in the USA
Mandrel Bent Stainless Steel Tubing
Patented Delta Flow Technology
Premium Flowmaster Quality
Features & Benefits Dyno Tuned for Maximum Performance
Features & Benefits Includes Hangers And Hardware For Easy Installation
Features & Benefits Made in the USA
Features & Benefits Mandrel Bent Stainless Steel Tubing
Features & Benefits Patented Delta Flow Technology
Features & Benefits Premium Flowmaster Quality
Finish / Color Gray
Finish / Color Polished
Heat Shield Attached No
Manufacturer Flowmaster
Manufacturer Label American Thunder Cat Back Exhaust System
Manufacturer Part Number 817602
Material 304 Stainless Steel
Material 409 Stainless Steel
Material 409S Stainless Steel
mfr_label American Thunder Cat Back Exhaust System
Mount type Uses Factory Hangers
Muffler Count 1
Muffler Part Number Kit Only
Muffler Series 50 Series HD
Muffler type Welded Baffle
Position on Vehicle Dual Rear Same Side
Quality Quality - American Thunder Cat Back Exhaust System
Short Description Exhaust System Kit
Single or Dual Dual
Sound Level Moderate
Style Cut
Style Straight
System Type Cat Back
Tip Cut Angle
Tip Edge Style Cut
Tip Length 13.000 in.
Tip Logo Embossed
Tip Material 304 Stainless Steel
Tip Quantity 2
Tip Shape Round
Tip type Double Wall
Title Flowmaster 817602 Cat-Back System 409S - DOR/S - American Thunder - Moderate Sound
Tubing Material 409S Stainless Steel
Type Cat Back
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
weight 67.75
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