This Flowmaster American Thunder cat-back dual exhaust system for the 2019-2023 GM Silverado/Sierra 1500 (new body style) trucks with the 6.2L engine and factory dual exhaust, is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and all the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all 6.2L Crew Cab with 5.5-ft and 6.5-ft beds, and all Double Cab with a 6.5-ft bed and factory dual exhaust tailpipes.
Features include a mandrel-bent 3.50-inch stainless steel inlet tube flowing into a single 50 Series HD muffler, dual 2.50-inch mandrel-bent stainless tailpipes replacing the factory resonators and giving your truck some growl. The tailpipes are finished off with quad 4.00-inch black ceramic coated stainless steel tips that exit in place of the factory bolt-on exhaust bezels giving your truck an aggressive performance style and setting your truck apart from others, sending the message that you would rather lead than follow. Designed for an easy fit, this system includes all necessary parts, detailed instructions and hardware for an easy at home installation. Notes: Fits 147-inch and 157-inch wheelbases with 6.2L engine and factory dual tailpipes. Only fits models with factory bumper cutouts.
- Large 4.00-inch Black Ceramic Coated Tips
- Removes Factory Resonators in Tailpipes
- Large 50 Series HD Performance Muffler
- Moderately Aggressive Exterior Tone
- Black Ceramic Coated Quad Tips
- Full Stainless Steel Construction
- Uses Factory Hanger Locations
- Lifetime Limited Warranty
Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2023 Silverado/Sierra 1500 With 6.2L Engine Aggressive To Moderate Sound Flowmaster 817891
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| UPC | 700042039050 |
| Availability | Available |
| Exhaust Type | Cat Back |
| Exit Style | Dual Out Rear |
| Mount Style | Welded |
| Shape | Oval |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2019 | GMC | Sierra 1500 | AT4 | |
| 2020 | GMC | Sierra 1500 | AT4 | |
| 2021 | GMC | Sierra 1500 | AT4 | |
| 2022 | GMC | Sierra 1500 | AT4 | |
| 2023 | GMC | Sierra 1500 | AT4 | |
| 2019 | Chevrolet | Silverado 1500 | LTZ | |
| 2020 | Chevrolet | Silverado 1500 | LTZ | |
| 2021 | Chevrolet | Silverado 1500 | LTZ | |
| 2022 | Chevrolet | Silverado 1500 | LTZ | |
| 2023 | Chevrolet | Silverado 1500 | LTZ | |
| 2019 | GMC | Sierra 1500 | SLT | |
| 2020 | GMC | Sierra 1500 | SLT | |
| 2021 | GMC | Sierra 1500 | SLT | |
| 2022 | GMC | Sierra 1500 | SLT | |
| 2023 | GMC | Sierra 1500 | SLT | |
| 2019 | GMC | Sierra 1500 | Denali | |
| 2020 | GMC | Sierra 1500 | Denali | |
| 2021 | GMC | Sierra 1500 | Denali | |
| 2022 | GMC | Sierra 1500 | Denali | |
| 2023 | GMC | Sierra 1500 | Denali | |
| 2019 | Chevrolet | Silverado 1500 | High Country | |
| 2020 | Chevrolet | Silverado 1500 | High Country | |
| 2021 | Chevrolet | Silverado 1500 | High Country | |
| 2022 | Chevrolet | Silverado 1500 | High Country | |
| 2023 | Chevrolet | Silverado 1500 | High Country | |
| 2020 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2021 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2020 | Chevrolet | Silverado 1500 | RST | |
| 2021 | Chevrolet | Silverado 1500 | RST | |
| 2022 | Chevrolet | Silverado 1500 | RST | |
| 2023 | Chevrolet | Silverado 1500 | RST | |
| 2020 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 2021 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 2022 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 2023 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 2022 | Chevrolet | Silverado 1500 LTD | RST | |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ | |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country | |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss | |
| 2022 | GMC | Sierra 1500 Limited | AT4 | |
| 2022 | GMC | Sierra 1500 | Denali Ultimate | |
| 2023 | GMC | Sierra 1500 | Denali Ultimate | |
| 2022 | GMC | Sierra 1500 Limited | Denali | |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss | |
| 2022 | GMC | Sierra 1500 Limited | SLT |