Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Wehrli / New

Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1 - Deore Gold

Wehrli · New

Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1 - Deore Gold

MPN WCF100409-DG · Store SKU wcfWCF100409-DG

$1,119.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 6:28:03 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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 Intercooler Pipe Kit upgrade for the 2011-2016 LML Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance applications. The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe provides a 20% increase in size over the OEM part. Eliminates resonator for improved appearance and more aggressive turbo and engine sound. For use with the OEM Y-Bridge and connects to the factory throttle valve and grid heater. The 3" High Flow Driver Side Intercooler Pipe replaces the factory two piece 2.5" pipe with a high flow one piece 3" pipe. The 3.5" High Flow Passenger Side Intercooler Pipe replaces the factory plastic two-piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. Includes upgraded silicone boots to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and horsepower-robbing boost leaks. Finished in your choice of custom powder colors. Pairs best with emissions compliant tuning and drop in turbochargers for optimum performance gains. Wehrli Custom Fab High Flow Intercooler Pipe Kit, 11-16 Duramax LML, Deore Gold High Flow Intercooler Pipe Kit, 11-16 Duramax LML, Deore Gold

Manufacturer fitment & guides

Check WCF100409-DG 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
More from Wehrli ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.