This pipe is used to connect the Borla (R) Axle-Back PN 11961 to the factory cats creating a Cat-Back ™ system with 2 Inch diameter pipes. Built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla (R) stands behind every system with a Million-Mile Warranty.

This adapter pipe is used to adapt the 147 Inch wheelbase Borla systems for the 2019-2020 Silverado and Sierra 1500 pickups with 5.3L engines to the 157 Inch wheel base of the Crew cab standard bed 6.5 Inch bed vehicles. Built from premium, high-quality austenitic T-304 stainless steel, to give you the absolute best in performance and durability.

Ultra-smooth mandrel bends ensure maximum flow and power, and Precision Computer Controlled CNC Manufacturing Ensures An Accurate Fit.