Fits: 2006 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LBZ/LMM Duramax Diesel

Replace the restrictive OEM plastic inlet to provide increased airflow to your turbo for improved performance and throttle response. Eliminates resonator for improved appearance and more aggressive turbo and engine sound.

Features:

• 4.8" inlet, Largest Intake Horn on the market
• 20% air flow improvement over stock
• CNC Machined Cast Aluminum Construction
• Includes PCV Port
  
• Eliminates Resonator Connection
  
• Made in USA

Includes:

• Turbo inlet horn w/PCV port
  
• Silicone reducer boot
• Stainless steel t-bolt clamps
• O-ring seal
• Custom color powder coat POWDERCOAT COLOR CHART

Notes:

• Not compatible with OEM and aftermarket intakes (such as K&N) that do not use a silicone boot connection at the horn
• If your intake has a built in rubber connection that slides onto the OEM horn and is molded to the air intake pipe, it WILL NOT fit with our horn
• The WCFab horn must be used with an intake pipe that will accept a 4" boot and clamp
• If your intake uses a boot and two clamps for connection, our horn will work with that intake
• 15+ Business Days Before Shipment, this is a custom order part, once the order has been processed it CANNOT be canceled, returned, or refunded

Replaces Part #:

• GM 98011738
• WCF100341

*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))*

*This product is ONLY designed for closed course racing where it is legal to do so. Any other use will be in violation of local, state, and federal laws. We are not responsible for unlawful use of this product.*