Fits 2020-2026 GM 2500HD/3500HD with 6.6L gas engine, Crew Cab/Short Bed, Dual Out Rear/Dual Out Side, Polished Tips - Aggressive to moderate sound
Notes: Fits Crew Cab with 6.5' bed length, 159-inch wheelbase only. Will not fit models with 5th wheel tow hitch installed.
- Mandrel-bent 16-gauge Tubing for Maximum Exhaust Flow
- Lifetime Limited Warranty
- Flowmaster Quality
- Uses the Factory Hanger Locations for Easy Installation
- 50 Series HD Muffler with Delta Flow Technology
- 409 Stainless Steel Construction for Long Life
- Increased Performance and Exhaust Flow
- Multiple Tailpipe Exits Provided in Kit
- Large 3.00-inch Dual Tailpipes
- Deep Powerful Exterior Sound
Information:
Fits 2020-2026 Chevy Silverado/GMC Sierra 2500HD/3500HD trucks with 6.6L gas engine. Crew Cab/6.5ft bed only. Will not fit models with 5th wheel tow hitch installed.
Application Summary:
| Year |
Make/Model |
| 2020-2026 |
Chevrolet Silverado 2500 HD |
| 2021-2026 |
Chevrolet Silverado 3500 HD |
| 2020 |
GMC Sierra 2500 HD |
| 2022-2026 |
GMC Sierra 2500 HD |
| 2021-2026 |
GMC Sierra 3500 HD |
| Attributes |
| Brand |
Flowmaster |
| CARB (California) Compliant |
Yes |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Catalytic Converter Format |
No |
| Catalytic Converter Included |
No |
| Catalytic Converter Quantity |
Not Included |
| Category |
Exhaust, Exhaust |
| Clamping Type |
Flat Band, Flat Band |
| Clamps Included |
Yes, Yes |
| Country of Origin (Primary) |
US |
| Emission Code |
5, 5 |
| Exhaust Series |
American Thunder, American Thunder |
| Exhaust System Kit Type |
Cat-Back |
| Exhaust Tip Diameter |
4.00, 4.00 |
| Exhaust Tip Finish |
Polished, Polished |
| Exhaust Tip Length |
13.00 |
| Exhaust Tip Material |
304 Stainless Steel, 304 Stainless Steel |
| Exhaust Tip Quantity |
2, 2 |
| Exhaust Type |
Cat-Back |
| Exit Position |
Dual Out Rear/ Dual Out Side, Dual Out Rear / Dual Out Side |
| Finish |
Natural, Natural |
| GTIN |
00700042039760 |
| Gasket Or Seal Included |
No, No |
| Grade Type |
Performance, Performance |
| Hangers Included |
Yes, Yes |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Heat Shield |
No |
| Heat Shield Included |
No, No |
| Inlet Inside Diameter |
3.000 in. |
| Inlet Type |
Flanged, Flanged |
| Life Cycle Status Code |
Available to Order |
| Material |
409 Stainless Steel |
| Mount Type |
Uses Factory Hangers, Uses Factory Hangers |
| Mounting Bracket Included |
Yes, Yes |
| Muffler Body Height |
5.00 |
| Muffler Body Length |
18.00, 18.00 |
| Muffler Body Length (in) |
18 |
| Muffler Body Material |
409 Stainless Steel, 409 Stainless Steel |
| Muffler Body Shape |
Oval, Oval |
| Muffler Body Width |
10.00 |
| Muffler Color |
Black, Black |
| Muffler Flanged Inlet |
No, No |
| Muffler Flanged Outlet |
No, No |
| Muffler Included |
Yes |
| Muffler Inlet Diameter |
3.5, 3 |
| Muffler Inlet Inside Diameter |
3.50, 3.50 |
| Muffler Inlet Location |
Centered, Center |
| Muffler Inlet Outside Diameter |
3.63, 3.63 |
| Muffler Material |
409S Stainless Steel, 409 Stainless Steel |
| Muffler Outlet Diameter |
3, 3.00 |
| Muffler Outlet Location |
Dual Outlet, Dual |
| Muffler Outlet Quantity |
2, 2 |
| Muffler Overall Length |
24.00, 24.00 |
| Muffler Overall Length (in) |
24 |
| Muffler Part Number |
Kit Only, Kit Only |
| Muffler Quantity |
1, 1 |
| Muffler Series |
50 Series HD, 50 Series HD |
| Muffler Shape |
Oval |
| Muffler Type |
Reflection, Reflection |
| NAFTA Preference Criterion Code |
B |
| Pipe Color |
Silver, Silver |
| Pipe Material |
409 Stainless Steel, 409 Stainless Steel |
| Product Type |
Exhaust System, Exhaust System |
| SDR Required Flag |
N |
| Sale Category |
Exhaust |
| Series |
American Thunder Exhaust Systems |
| Single Dual |
Dual |
| Sound Level |
Aggressive / Moderate, Aggressive / Moderate |
| Spring Bolt Kit Included |
No, No |
| Sub Category |
Exhaust and Tail Pipes, Exhaust and Tail Pipes |
| Subcategory |
Cat-Back Exhaust Kits |
| System Type |
Cat-back |
| Tail Pipe Diameter |
3.000 in. |
| Tail Pipe Outlet Outside Diameter |
3.00 |
| Tail Pipe Quantity |
2, Dual |
| Tail Pipe Tapered Outlet |
No, No |
| Tip Cut |
Angle |
| Tip Diameter |
4.000 in., 4 |
| Tip Edge Style |
Cut |
| Tip Finish |
Polished |
| Tip Length |
13, 13.00 |
| Tip Logo |
Embossed, Embossed |
| Tip Material |
304 Stainless, 304 Stainless Steel |
| Tip Quantity |
2 |
| Tip Shape |
Round |
| Tip Style |
Double Wall |
| Tubing Diameter |
3.000 in., 3.50/3.00 |
| Tubing Diameter (IN) |
3.5/3 |
| Tubing Material |
409S Stainless Steel, 409 Stainless Steel |
| Type |
Cat-Back, Cat-Back |
| Valve Included |
No, No |
| Valve Type |
Not Applicable, Not Applicable |
| Warning |
California Proposition 65, California Proposition 65 |
| part type |
Exhaust System Kit, Exhaust System |
