Flowmaster American Thunder Cat-back Exhaust System for Chevrolet and GMC
Part # 817895
- Large 4.00-inch Black Ceramic Coated Stainless Quad Tips
- Max Dyno Gains of 15 hp and 19 lb.ft. of Torque
- Moderate Interior with Aggressive Exterior Tone
- Uses the Factory Hanger Locations
- Large Volume Super 40 Muffler
- Stainless Steel Construction
- Lifetime Limited Warranty
- Easy Installation
Description
This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2026 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option. Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40® Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels. Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.
Specifications
| CARB (California) Compliant | Yes |
|---|---|
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Exhaust Series | American Thunder |
| Exhaust Tip Color | Black |
| Exhaust Tip Connection | Welded |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 4.00 in |
| Exhaust Tip Edge | Angle Cut |
| Exhaust Tip Finish | Black Ceramic Coating |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Length | 7.50 in |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 4 |
| Exhaust Tip Resonated | No |
| Exhaust Tip Shape | Round |
| Exhaust Tip Wall | Single Wall |
| Exit Style | Dual Out Rear |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Type | Clamp-On |
| Main Piping Diameter | 2.50 in |
| Mount Type | Uses Factory Hangers |
| UPC / GTIN | 00700042039029 |
| Warranty | Manufacturer's Limited Lifetime Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 2019 - 2021 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2022 | Chevrolet | Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2023 - 2026 | Chevrolet | Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country, LT, LT Trail Boss, LTZ, RST, SSV | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2019 - 2021 | GMC | Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2022 - 2026 | GMC | Sierra 1500 | Denali, Elevation, Pro, SLE, SLT | 5.3L V8 | Does not fit trucks with factory single exhaust |
| 2022 | GMC | Sierra 1500 Limited | Denali, Elevation, Pro, SLE, SLT | 5.3L V8 | Does not fit trucks with factory single exhaust |
