BTR introduces this new intake accessory; making installation even easier while maximizing performance of your stock L83 intake! ·     Utilizes OEM airbox for a clean, original equipment look while increasing power and induction sounds. ·     Upsized air passage to effectively feed your horsepower. ·     Includes everything needed to connect the valve cover PCV vents ·     Stainless steel clamps and Silicone couplers are included APPLICATION:  GM Truck/SUV 2014 - 2018 with L83/L84 or L8B engine and factory intake manifold COMPATIBLE THROTTLE BODY:  80mm GM throttle body (factory on GM Truck/SUV 2014 – 2018 with L83/L84 or L8B engines) COMPATIBLE INTAKE:  OEM intake OPTIONAL THROTTLE BODY:  Nick Williams 103mm throttle body or similar (requires optional CAT-TR-04 coupler kit). OPTIONAL SERVICE HARDWARE KIT: CAT-L83-03