Wehrli · New
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Illusion Purple
MPN WCF100381-IP · Store SKU wcfWCF100381-IP
Supplier stock checked 11/7/2026, 9:46:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a CNC machined flange with a double o-ring seal and an upgraded silicone boot with black anodized billet aluminum adapter in order to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and boost leaks. This pipe is compatible with stock trucks requiring no additional modifications, upgrades, or tuning for installation. Wehrli Custom Fab Passenger Side 3.5 in. Intercooler Pipe, 20-25 Duramax L5P, Illusion Purple Passenger Side 3.5 in. Intercooler Pipe, 20-25 Duramax L5P, Illusion Purple
Manufacturer fitment & guides
Check WCF100381-IP against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
