3.5" Polished Turbo Intake Horn Kit For 2020-2024 GM 6.6L L5P Duramax Diesel

Upgrade your 2020-2024 L5P Duramax with our 3.5" polished turbo intake horn kit from Doctor Diesel USA. With a 25HP gain and no tuning required, this 304 stainless steel horn is a plug and play upgrade for your factory-style turbo. Includes O-ring, mounting studs and nuts. No other modifications or upgrades necessary.