K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 18HP: Compatible 6.6L, V8, 2020 2022 CHEVROLET, GMC (Silverado 2500, 3500, 2500, Sierra), 63 3119 Automotive you can rest assured these tuxmats you can rest assured these mats are designed and engineered to the highest standards to fit your vehicle perfectly and complement its original styling Laser measured for a precise fit DYNO TESTING YOU CAN TRUST: K&N air intake horsepower torque testing is performed on wheel based dynamometers and the reports are include with each intake system while the enclosed air box helps protect intake air from the high temperature of your engine bay