EXCEPT ZR2 & AT4X models. This extension pipe is used to adapt the BORLA 147.4″ Wheelbase Cat-Back systems to fit Crew Cab with Standard Bed (6′ 7″) 157″ Wheelbase vehicles. 3.5″ ID inlet, 3.5″ OD outlet, 12″ long. Includes 1) 3″ clamp. Built from premium, high-quality austenitic T-304 stainless steel, to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA stands behind every extension pipe with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Chevrolet | Silverado 1500 | Custom |
| 2020-2021,2023 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2023 | Chevrolet | Silverado 1500 | High Country |
| 2019-2020 | Chevrolet | Silverado 1500 | LT |
| 2020-2023 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2023 | Chevrolet | Silverado 1500 | LTZ |
| 2020-2023 | Chevrolet | Silverado 1500 | RST |
| 2019-2020 | Chevrolet | Silverado 1500 | SSV |
| 2019-2020 | Chevrolet | Silverado 1500 | WT |
| 2022-2023 | Chevrolet | Silverado 1500 | ZR2 |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ |
| 2022 | Chevrolet | Silverado 1500 LTD | RST |
| 2019-2023 | GMC | Sierra 1500 | Denali |
| 2019-2023 | GMC | Sierra 1500 | SLT |
| 2022 | GMC | Sierra 1500 Limited | Denali |
| 2022 | GMC | Sierra 1500 Limited | SLT |
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