Wehrli
High Flow Bundle Kit Stage 1 11-16 Duramax LML Deore Gold
SKU: W005 100409-DG
Description
It includes:
* A 3" High Flow Passenger Side Upper Crossover Intercooler Pipe, offering a 20% size increase over the OEM part. This pipe removes the resonator for an improved appearance and a more aggressive turbo and engine sound. It is designed for use with the OEM Y-Bridge and connects to the factory throttle valve and grid heater.
* A 3" High Flow Driver Side Intercooler Pipe, which replaces the factory two-piece 2.5" pipe with a high-flow, one-piece 3" pipe.
* A 3.5" High Flow Passenger Side Intercooler Pipe, replacing the factory plastic two-piece pipe with a high-flow, 14-gauge aluminum one-piece 3.5" pipe.
The kit also features upgraded silicone boots designed to withstand higher boost pressures than factory components, increasing reliability and eliminating blown factory boots and horsepower-robbing boost leaks. The pipes are available in various custom powder coat colors. It is recommended to pair this kit with emissions-compliant tuning and drop-in turbochargers for optimal performance gains.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wehrli |
| Part Number | W005 100409-DG |
Videos
Buy with Confidence
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.
View Full Return Policy