Intake Kit Stage 2 4in. for 2001-2004 Duramax LB7 Bengal Grey

Replaces the restrictive plastic factory air intake parts for improved engine performance with the Wehrli Custom Fabrication Stage 2 Intake Kit. This new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the inner fender. Features 4" diameter piping, 14ga. Aluminum, and a 10ga. Aluminum construction air box with a removable lid. Includes a dry style air filter, Outerwears pre-filter cover, high quality hardware, silicone boots, & stainless t-bolt clamps. Compatible with factory IHI turbo. Made in the USA. Available in many custom powder coat colors to customize your engine bay. Not legal in California.