Wehrli wcfWCF100411-CAT

Wehrli Custom Fab High Flow Bundle Intake Kit Stage 1, 01-04 Duramax LB7, Cat Yellow

Inlcudes upgrades 3" Driver (Hot) and Passenger (Cold) Side Intercooler Pipes 3" Fabricated Y-Bridge (for OEM style intake horn) Map Sensor Seal and Hold Down Bracket O-Ring Bridge Flange Gaskets 14 ga Aluminum Construction Custom Powder Coat Finish FPRV Block Off Kit Made In the USA

The OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow Intake Bundle Kit for the 2001-2004 6.6L Duramax. This kit replaces the restrictive OEM LB7 Y-bridge, passenger side intercooler pipe, and driver side intercooler pipe with a high flow, 3" mandrel bent aluminum piping kit feeding WCFab's signature TIG welded, CNC machined billet y-bridge base to help increase throttle response, turbo spool up, and reduce EGTs by creating a full 3" intake tract between your turbo and engine. Kit includes upgraded high quality silicone boots that withstand higher pressures and temperatures than the failure prone, angled factory parts to increase reliability and help eliminate boost leaks. Includes Fuel Pressure Regulator Valve (FPRV) Block Off Kit to allow proper clearance to larger diameter Y-bridge assembly. Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and efficiency by addressing weak points in