EXCEPT ZR2 & AT4X models. Factory Split Rear Exit Vehicles ONLY. Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. This BORLA® system has a valve simulator to prevent the Check Engine Light from coming on. The 3.5" into dual 2.75" system features the mellow Touring sound level with no drone inside the vehicle, and dual 3.5" round carbon fiber tips with black anodized centers. Installation REQUIRES removal of the Factory Valance Tips. Systems with bright chrome on T-304 stainless steel tips, black chrome on T-304 stainless steel tips, and systems that reuse the original equipment tips are also available. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 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 & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Give your Silverado or Sierra the power and sound it deserves, bolt on a BORLA®. Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles
• Installation REQUIRES removal of the Factory Valance Tips
• Fits Factory Split Rear Exit Vehicles ONLY
• Borla(r) system has a Valve Simulator
• EXCEPT ZR2 & AT4X models

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