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 4.8 in. Cast Aluminum Turbo Intake Horn which removes restrictions in the OEM setup to improve turbo spool and top end power and eliminates factory resonator for improved appearance and more aggresive turbo sound. This High Flow 4.8 in. horn is fully compatible with OEM and upgraded drop in VGT style turbochargers. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. Not compatible with aftermarket LML Y-bridges that change the manifold / bridge inlet from original factory (driver side inlet) location. - - NOTE: 2011 MODEL YEAR TRUCKS MUST UPDATE PCV Regulating Valve to 2012-2016 model year spec to allow correct fitment and compatibility with this part. Wehrli Custom Fab Intake Kit Stage 2, 4in., for 2011-2016 Duramax LML, Gloss Black

Includes O-Ring Seal for Turbo and New EGR Gaskets
Dry Air Filter with Outerwear's Pre-Filter Cover
Silicone Boot & Stainless Steel T-Bolt Clamps
4.8 in. Cast Aluminum Turbo Intake Horn
Includes Installation Hardware
No Tuning Required, Bolt On!
Custom powder coat finish
Air Box with Lid
4" Intake Pipe
Made in USA

Thumbnail Filmstrip of Wehrli Custom Fab WCF100304-GB 4in Intake Kit Stage 2, Gloss Black, 11-16 GM 6.6L Duramax LML Images

Wehrli Custom Fab WCF100304-GB 4in Intake Kit Stage 2, Gloss Black, 11-16 GM 6.6L Duramax LML