Wehrli · New
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - WCFab Red
MPN WCF100833-RED · Store SKU wcfWCF100833-RED
Supplier stock checked 11/7/2026, 10:28:21 AM 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
3.5 in. Turbo Intake Horn for the 2020-2024 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4 in. diameter and we experienced a 25HP Gain with our 3.5 in. Horn when used with a Max Effort Tune. Tuning not required, this horn will work plug and play tuners or OEM calibration. Wehrli Custom Fab Intake Horn, 3.5in., for 2020-2024 Duramax L5P, WCFab Red Intake Horn, 3.5in., for 2020-2024 Duramax L5P, WCFab Red
Manufacturer fitment & guides
Check WCF100833-RED 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