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Air and Fuel› Intake Manifolds and Components
Wehrli
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Intake Bundle Kit - Illusion Purple
SKU: W005 WCF100435-IP
Moderate — 2–4 hours
Overview
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Part #: WCF100435-IP
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. Removable air box lid element allows 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. 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. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. Save up to $108.00 versus buying components individually.
Wehrli Custom Fab High Flow Bundle Intake Kit Stage 2, 01-04 Duramax LB7, Illusion Purple
Vehicle Symptoms
- Poor acceleration when towing
- Excessive turbo lag on highway merge
- High exhaust gas temperatures under load
- Engine feels choked at high RPM
- Lack of power uphill with trailer
Relevant Conversations
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Wehrli |
| Part Number | W005 WCF100435-IP |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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