SILV SIERRA 1500 24-25 (EXCEPT ZR2 AT4X) 6.2L V8 AT 2 4WD 4DR EC STB (79.4) 147.4 WB CC SB (69.9) 147.4 WB 3.50 2.75 ATAK WSIMULATOR D RD RL AC BC SR TIP: 3.5 RD X 6 BLACK CHROME 140997BC

Fitment

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Description

Borla 140997BC is an ATAK cat-back for the listed 2024–2026 Silverado/Sierra 1500 6.2L automatic configurations with factory split rear exit. It has a 3.5-inch main inlet, dual 2.75-inch pipes and four black-chrome 3.5-inch tips. ZR2/AT4X are excluded. The valve simulator reuses the OE actuator; the listed 157-inch Crew Cab needs separate 60706. OE removal cutting and valance-tip removal are required.

Manufacturer specifications

Pipe Diameter: 3.5" into dual 2.75" tail pipes

Tip Exit: Truck Dual Split Rear Exit

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Manufacturer product information

Installation instructions

Specifications

General