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Air and Fuel› Air and Fuel Cooling Systems and Components

Wehrli

Passenger 3 Upper Crossover Intercooler Pipe 11-16 Duramax LML Cat Yellow

$430.00 $417.10 Save $12.90

SKU: W005 100328-CAT

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wehrli 100328-CAT is a 3" High Flow Passenger Side Upper Crossover Intercooler Pipe Kit for 2011-2016 GM 6.6L Duramax LML engines. It features 14-gauge aluminum construction, an 18% airflow gain over stock, and eliminates the resonator for improved sound and appearance. It is a bolt-on installation and replaces OEM part number 12642321.

Fitment

Fitment Guaranteed

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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

BrandWehrli
Part NumberW005 100328-CAT

Videos

2011-2016 LML Duramax High Flow Intercooler Pipe Kit

2011-2016 LML Duramax High Flow Intercooler Pipe Kit
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LML Duramax Bolt-On Performance Upgrades
WCFab 2011 - 2016 LML Duramax 3.5\" Passenger Side | Cold Side Intercooler Pipe Kit

WCFab 2011 - 2016 LML Duramax 3.5\" Passenger Side | Cold Side Intercooler Pipe Kit

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.

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