Intake Kit Stage 2 4in. for 2020-2022 Duramax L5P Shocker Yellow

The Wehrli Custom Fab Stage 2 4" Intake Kit with Air Box (MPN: 100684-SY) features a high-flow 4" aluminum intake pipe and an oversized 4" intake horn. This kit is designed to improve horsepower and torque, provide cooler intake temperatures for better efficiency, and increase air velocity through smoother bends. It replaces restrictive factory components and draws cool, dense air from both the hood’s Ram Air duct and the inner fender. The kit includes a dry filter and an Outerwears pre-filter cover. It is a bolt-on installation that fits stock trucks, requires no tuning, and is made in the USA. It is available in various custom powder coat color options, including Sparkle Yellow (-SY) and Gloss Black (-GB).