Wehrli Custom Fabrication’s Stage 2 High Flow Intake Bundle upgrades 2003–2007 5.9L Cummins Dodge Ram 2500/3500 intake plumbing with mandrel‑bent 14‑gauge piping and CNC billet components. The kit replaces weak OEM sections, cuts boost leaks, and includes a 4" intake, 3" hot‑side and 3.5" cold‑side intercooler pipes with horn. The cold side is proven to flow ~60% better than stock for improved spool and response.
Product Description
Wehrli 03-07 5.9L Cummins High Flow Intake Bundle Kit Stage 2 - Fine Texture Black
Additional Product Details
Wehrli Custom Fab High Flow Intake Bundle Kit Stage 2, 03-07 5.9L Cummins, Fine Texture Black
Features & Benefits
Qty. 2 1/8" NPT accessory ports on upper intake manifold for boost pressure readings or water methanol injection
3.5" Cold Side (Driver) Intercooler Pipe & Intake Horn (Flows 60% better than stock!)
Mounting points to retain oil dipstick location and OEM wire harness routing
High Quality Silicone Boots & Stainless Steel T-Bolt Clamps
3" Hot Side (Passenger) Intercooler Pipe
Mounting hardware and gasket included
Durable Custom Powder Coat Finish
Outerwear's Pre-Filter Cover
Dry Air Filter
Made in USA
4" Intake
Manufacturer Description
Upgrade your 2003-2007 5.9L Cummins equipped Dodge Ram 2500 / 3500's air intake plumbing with WCFab's Stage 2 High Flow Intake Bundle Package. Fabricated from precision mandrel bent 14 gauge piping and CNC machined billet components in the USA, this kit includes a 4 in. Air Intake Kit (WCF100346), 3 in. hot side intercooler pipe (WCF100544), 3.5 in. cold side intercooler pipe with 3.5 in. upper intake manifold / horn (WCF100528) to help improve air flow and efficiency while addressing known weak points when pushing engine performance beyond stock power levels. Eliminates horsepower-robbing boost leaks caused by aging and failure prone OEM components that can leave you stranded. Cold side upgrade included in this kit is proven to improve air flow over stock components by 60% for improved turbo spool up, increased throttle response and decreased EGTs! Designed for compatibility with both stock and performance upgrade drop-in style Holset turbochargers and OEM style intercoolers. Saves $50 vs. purchasing all components individually.This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe, WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit, WCF100346 - 4" Intake Kit