Fits 2017-2019 Chevrolet Silverado 2500/3500 HD 6.6L L5P Duramax Diesel. Fits 2017-2019 GMC Sierra 2500/3500 HD 6.6L L5P Duramax Diesel. Estimated Horsepower Gain: 15.22 HP @ 2500 RPM. Mandrel-bent aluminum intake tube paired with oversized oiled cotton air filter.
