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.
Specifications:
| Description_ASC |
Fits 2011-2019 Chevrolet Silverado and GMC Sierra 2500HD/3500HD Crew cab/standard 6.5-foot bed models with 6.0L gas engine. 153.7" wheelbase. |
| Description_DEF |
Exhaust System Kit |
| Description_EXT |
American Thunder Cat Back Exhaust System; Dual; Dual Rear Same Side Exit; 4.0 in. Dia.; Incl. 3.5 in./3.0 in. Tailpipes/Super 50 Delta Flow Mufflers/4.0 in. Polished Tips; |
| Description_DES |
Flowmaster American Thunder Cat-back Exhaust System |
| Description_INV |
11-19 GM 2500HD 6.0L CC/SB AMT DOR/S |
| Description_FAB |
Uses the Factory Hanger Locations for Easy Installation |
| Description_FAB |
50 Series HD Muffler with Delta Flow Technology |
| Description_FAB |
Multiple Tailpipe Exits Provided in Kit |
| Description_FAB |
Large 3.00-inch Dual Tailpipes |
| Description_FAB |
Stainless Steel Construction |
| Description_FAB |
Lifetime Limited Warranty |
| Description_FAB |
Flowmaster Quality |
| Description_MKT |
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. |
| Description_SHO |
Exhaust System Kit |
| Exhaust Series |
American Thunder |
| Outlet Outside Diameter |
4.000 in. |
| Sound Level |
Aggressive / Moderate |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds), Nickel (Metallic) |
| California Proposition 65 Required |
Yes |
| Material |
409 Stainless Steel |
| Tubing Diameter (in) |
4 |
| WARNING CA Proposition 65 |
Yes |
| Outlet Diameter |
3.000 in. |
| California Proposition 65 Chemical Name 2 |
Chromium (hexavalent compounds) |
| Title |
Flowmaster 817541 Cat-back System 409S - Dual Rear/Side Exit-American Thunder-Moderate/Aggressive |
| Tip Length |
13.000 in. |
| Inlet Diameter (in) |
3.5 |
| Single Dual |
Dual |
| Tip Diameter (in) |
4 |
| Exit Style |
Straight |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Muffler Part Number |
Kit Only |
| System Type |
Cat Back |
| Heat Shield Attached |
No |
| Muffler Quantity |
1 |
| Outlet Diameter (in) |
3 |
| Product Type |
Exhaust System |
| Warning |
California Proposition 65 |
| Tail Pipe Diameter |
3.000 in. |
| Single or Dual |
Dual |
| Inlet Inside Diameter |
4.000 in. |
| Tip Diameter |
4.000 in. |
| Tubing Diameter |
4.000 in. |
| California Proposition 65 Chemical Name 1 |
Nickel (metallic) |
| Tip Quantity |
2 |
| Exhaust Type |
Dual |
| Inlet Diameter |
3.500 in. |
| Muffler Count |
1 |
| Muffler Series |
50 Series HD |
| 2WD/4WD |
2WD/4WD |
| Brand |
Flowmaster |
| Emission Code |
5 |
| Exit Position |
Dual Out Rear / Dual Out Side |
| Heat Shield |
No |
| Tip Length (in) |
13 |
| Length |
16.0000 |
| Width |
12.0000 |
| Height |
58.0000 |
| Weight |
60.0000 |
