- Max increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels
- 3.50-inch and 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Dual 4.00-inch polished stainless steel tips add a custom look
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- Super 10 Series performance muffler delivers a deep, aggressive performance tone and improves exhaust flow
- Backed by Flowmaster’s Lifetime Limited Warranty
- Can be configured to exit straight out the rear or out the side depending on preference
Description
This Flowmaster® Outlaw® Cat-back exhaust system for the 2020-2026 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Maximum increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with 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.
Specifications
| CARB (California) Compliant | Yes |
|---|---|
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Exhaust Series | Outlaw |
| Exhaust Tip Color | Silver |
| Exhaust Tip Connection | Clamp-On |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 4.00 in |
| Exhaust Tip Edge | Angle Cut |
| Exhaust Tip Finish | Polished |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Length | 13.00 in |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 2 |
| Exhaust Tip Resonated | No |
| Exhaust Tip Shape | Round |
| Exhaust Tip Wall | Double Wall |
| Exit Style | Dual Out Side |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Diameter | 3.50 in |
| Inlet Type | Flanged |
| Main Piping Diameter | 3.00 in |
| UPC / GTIN | 00090127130162 |
| Warranty | Manufacturer's Limited Lifetime Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 2020 - 2022 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 | Polished Tip Finish |
| 2023 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2024 - 2026 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT, ZR2 | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2020 - 2022 | Chevrolet | Silverado 3500 HD | Base, High Country, LT, LTZ, WT | 6.6L V8 | Polished Tip Finish |
| 2023 | Chevrolet | Silverado 3500 HD | Base, High Country, LT, LTZ, WT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2024 - 2026 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2020 - 2021 | GMC | Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 | Polished Tip Finish |
| 2022 | GMC | Sierra 2500 HD | AT4, Denali, SLE, SLT | 6.6L V8 | Polished Tip Finish |
| 2023 | GMC | Sierra 2500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2024 - 2026 | GMC | Sierra 2500 HD | AT4, AT4X, Denali, Pro, SLE, SLT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
| 2020 - 2021 | GMC | Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 | Polished Tip Finish |
| 2022 | GMC | Sierra 3500 HD | AT4, Denali, SLE, SLT | 6.6L V8 | Polished Tip Finish |
| 2023 - 2026 | GMC | Sierra 3500 HD | AT4, Denali, Pro, SLE, SLT | 6.6L V8 | Polished Tip Finish, FITS CREW CAB, 6.5-FOOT BED TRUCKS ONLY |
