Wehrli · New
Wehrli 20-24 Duramax L5P 4in. Stage 2 Intake Kit - Bronze Chrome
MPN WCF100684-BC · Store SKU wcfWCF100684-BC
Supplier stock checked 11/7/2026, 6:00:02 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
High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado / GMC Sierra 2500 / 3500 HD trucks for improved engine performance. - - Increases air flow to turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the hood Ram Air duct and 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. The intake horn is over an inch larger than the OEM diameter and improves air flow to turbo by removing restriction found in the factory horn right before the turbo inlet. - - Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. - - Replaces the following GM Part Numbers: 84841229, 84841225, 84262962, 85614333, 84554702 Wehrli Custom Fab Intake Kit Stage 2, 4in., for 2020-2025 Duramax L5P, Bronze Chrome Intake Kit Stage 2, 4in., for 2020-2025 Duramax L5P, Bronze Chrome
Manufacturer fitment & guides
Check WCF100684-BC against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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