The WCFab Stage 2 4‑inch intake kit for 2001–2004 GM LB7 6.6L Duramax replaces factory plastic parts with a fabricated aluminum 4" intake pipe and airbox to improve airflow to the turbo. The system includes a dry filter with a hydrophobic pre‑filter cover, silicone boots, stainless steel T‑bolt clamps, a turbo intake horn and an airbox lid for simple inspection and maintenance. It bolts on without tuning and is finished in WCFab powder coat colors.
Wehrli Custom Fab Intake Kit Stage 2, 4in., for 2001-2004 Duramax LB7, Cat Yellow
Features & Benefits
Dry Air Filter with Outerwear's Pre-Filter Cover
Silicone Boot & Stainless Steel T-Bolt Clamps
Installs Easily with Basic Hand tools
Includes Installation Hardware
No Tuning Required, Bolt On!
Custom powder coat finish
4 in. Turbo Intake Horn
Air Box with Lid
4" Intake Pipe
Made in USA
Manufacturer Description
WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All 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. All aluminum construction features large diameter 4" piping with smooth aerodynamic bends to improve intake air velocity, volume, and provide more aggressive engine and turbo sound during acceleration. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure optimum durability and ease of installation. Removable air box lid elementallows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant free. Includes High Flow 4 in. Turbo Intake Horn which removes restrictions in the OEM setup to improve turbo spool and top end power. This High Flow 4 in. horn is fully compatible with OEM and upgraded drop in IHI style turbochargers. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck.
