Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1 - Gloss Black

Stage 1 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.

Additional Information

Wehrli Custom Fab High Flow Bundle Kit Stage 1, 11-16 Duramax LML, Gloss Black

Part Type

Intercooler Pipe

3 in. High Flow Upper Intercooler Cross Over Pipe (18% Gain in Air Flow Over Stock)

This is a group bundle consisting of:

Image	Qty	SKU	MFR SKU	UPC	Description
	1x	wcfWCF100353-GB	WCF100353-GB	WCF100353-GB	Wehrli 11-16 Chevrolet 6.6L LML Duramax Driver Side 3in Intercooler Pipe - Gloss Black
	1x	wcfWCF100682-GB	WCF100682-GB	WCF100682-GB	Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - Gloss Black
	1x	wcfWCF100328-GB	WCF100328-GB	WCF100328-GB	Wehrli 2011-2016 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit Gloss Black

Bundled group items may ship from multiple locations and could have slightly longer transit times if parts are sourced from different warehouses.

Images in this listing may include individual and/or group shots of the products included in the bundle. Please refer to the table to see a breakdown of what is included. Click on a SKU to see individual item details.

For details on the individual components in this bundle, click here.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information