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This extension pipe is used to fit the 140680 & 140680BC systems to the longer Wheelbase 140.6" Double (Crew) Cab with Long Bed (6' 1") models. Built from premium austenitic T-304 stainless steel, superior to T-400 series (such as 409), 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.
| Bed Type | Standard Bed |
| Submodel | 3.5L V6 Gas |
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Fitment
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2019||Chevrolet||Silverado 1500, 2020||Chevrolet||Silverado 1500, 2020||GMC||Sierra 1500, 2021||Chevrolet||Silverado 1500, 2021||GMC||Sierra 1500, 2019||GMC||Sierra 1500 New Model, 2022||Chevrolet||Silverado 1500, 2022||GMC||Sierra 1500
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| Submodel | Double Cab, Access Cab |
| Submodel | 4WD, RWD |
| Brand | Borla |
| Box Weight | 4.1 lbs |
| Box Length | 18 in |
| Box Width | 9.4 in |
| Box Height | 5.9 in |
