Includes ZR2 & AT4X models. Installation REQUIRES cutting Original Equipment (O.E.) System. BORLA 3" diameter into dual 2.25" Cat-Back system 140943BC is designed specifically for the Chevrolet Colorado and GMC Canyon trucks with the 2.7L turbocharged engine. Our S-Type Cat-Back delivers a sportier sound and a more exciting driving experience without any drone. It features single 4" round black chrome on T-304 stainless steel tips on each tail pipe. Using Borla Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. BORLA Cat-Back exhaust systems feature patented straight-through and multi-core technology 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. Ultra-smooth mandrel bends ensure maximum flow & power and precision computer numerical control (CNC) manufacturing ensures an accurate fit. As you can expect from BORLA the exhaust is constructed using T-304 stainless steel and comes with a Million-Mile Warranty. Give your Colorado/Canyon the sound it deserves bolt on a BORLA.System Features: Cat-Back Exhaust System S-Type Sound Level T-304 Stainless Steel Construction 3" Pipe Diameter 4" Round Black Chrome On T-304 Stainless Steel Tips No-Drone Million Mile Warranty