Flowmaster Flow FX Extreme Cat-Back Exhaust SystemFlowmaster717977
$393.99
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Flowmaster introduces our Flow FX Extreme stainless steel cat-back exhaust system for the 2019*-2025 (* 2019 New Body Only) Chevrolet/GMC Silverado/Sierra 1500 with the 5.3L engine. This system uses a Flow FX series muffler for an aggressive to moderate sound level and increased performance. 3.00-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 15 hp and 20 lb-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2019 | Chevrolet | Silverado 1500 | Custom | |
| 2020 | Chevrolet | Silverado 1500 | Custom | |
| 2021 | Chevrolet | Silverado 1500 | Custom | |
| 2019 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2020 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2021 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2022 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2023 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2024 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 2025 | Chevrolet | Silverado 1500 | Custom Trail Boss | |
| 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 | |
| 2024 | Chevrolet | Silverado 1500 | High Country | |
| 2025 | Chevrolet | Silverado 1500 | High Country | |
| 2019 | Chevrolet | Silverado 1500 | LT | |
| 2020 | Chevrolet | Silverado 1500 | LT | |
| 2021 | Chevrolet | Silverado 1500 | LT | |
| 2022 | Chevrolet | Silverado 1500 | LT | |
| 2023 | Chevrolet | Silverado 1500 | LT | |
| 2024 | Chevrolet | Silverado 1500 | LT | |
| 2025 | Chevrolet | Silverado 1500 | LT | |
| 2019 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 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 | |
| 2024 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 2025 | Chevrolet | Silverado 1500 | LT Trail Boss | |
| 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 | |
| 2024 | Chevrolet | Silverado 1500 | LTZ | |
| 2025 | Chevrolet | Silverado 1500 | LTZ | |
| 2023 | Chevrolet | Silverado 1500 | PPV | |
| 2024 | Chevrolet | Silverado 1500 | PPV | |
| 2025 | Chevrolet | Silverado 1500 | PPV | |
| 2019 | Chevrolet | Silverado 1500 | RST | |
| 2020 | Chevrolet | Silverado 1500 | RST | |
| 2021 | Chevrolet | Silverado 1500 | RST | |
| 2022 | Chevrolet | Silverado 1500 | RST | |
| 2023 | Chevrolet | Silverado 1500 | RST | |
| 2024 | Chevrolet | Silverado 1500 | RST | |
| 2025 | Chevrolet | Silverado 1500 | RST | |
| 2019 | Chevrolet | Silverado 1500 | SSV | |
| 2020 | Chevrolet | Silverado 1500 | SSV | |
| 2021 | Chevrolet | Silverado 1500 | SSV | |
| 2019 | Chevrolet | Silverado 1500 | WT | |
| 2020 | Chevrolet | Silverado 1500 | WT | |
| 2021 | Chevrolet | Silverado 1500 | WT | |
| 2022 | Chevrolet | Silverado 1500 | WT | |
| 2023 | Chevrolet | Silverado 1500 | WT | |
| 2024 | Chevrolet | Silverado 1500 | WT | |
| 2025 | Chevrolet | Silverado 1500 | WT | |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country | |
| 2022 | Chevrolet | Silverado 1500 LTD | LT | |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss | |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ | |
| 2022 | Chevrolet | Silverado 1500 LTD | RST | |
| 2022 | Chevrolet | Silverado 1500 LTD | SSV | |
| 2022 | Chevrolet | Silverado 1500 LTD | WT | |
| 2019 | GMC | Sierra 1500 | AT4 | |
| 2020 | GMC | Sierra 1500 | AT4 | |
| 2021 | GMC | Sierra 1500 | AT4 | |
| 2019 | GMC | Sierra 1500 | Base | |
| 2020 | GMC | Sierra 1500 | Base | |
| 2021 | GMC | Sierra 1500 | Base | |
| 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 | |
| 2024 | GMC | Sierra 1500 | Denali | |
| 2025 | GMC | Sierra 1500 | Denali | |
| 2019 | GMC | Sierra 1500 | Elevation | |
| 2020 | GMC | Sierra 1500 | Elevation | |
| 2021 | GMC | Sierra 1500 | Elevation | |
| 2022 | GMC | Sierra 1500 | Elevation | |
| 2023 | GMC | Sierra 1500 | Elevation | |
| 2024 | GMC | Sierra 1500 | Elevation | |
| 2025 | GMC | Sierra 1500 | Elevation | |
| 2022 | GMC | Sierra 1500 | Pro | |
| 2023 | GMC | Sierra 1500 | Pro | |
| 2024 | GMC | Sierra 1500 | Pro | |
| 2025 | GMC | Sierra 1500 | Pro | |
| 2019 | GMC | Sierra 1500 | SLE | |
| 2020 | GMC | Sierra 1500 | SLE | |
| 2021 | GMC | Sierra 1500 | SLE | |
| 2022 | GMC | Sierra 1500 | SLE | |
| 2023 | GMC | Sierra 1500 | SLE | |
| 2024 | GMC | Sierra 1500 | SLE | |
| 2025 | GMC | Sierra 1500 | SLE | |
| 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 | |
| 2024 | GMC | Sierra 1500 | SLT | |
| 2025 | GMC | Sierra 1500 | SLT | |
| 2022 | GMC | Sierra 1500 Limited | Denali | |
| 2022 | GMC | Sierra 1500 Limited | Elevation | |
| 2022 | GMC | Sierra 1500 Limited | Pro | |
| 2022 | GMC | Sierra 1500 Limited | SLE | |
| 2022 | GMC | Sierra 1500 Limited | SLT |
Specifications:
| mfr_label | Flowmaster Flow FX Extreme Cat-Back Exhaust System |
| quality | Quality - Flowmaster Flow FX Extreme Cat-Back Exhaust System |

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