High Flow Bundle Kit Stage 1 for 2017-2019 Duramax L5P Flat Black

Name: High Flow Bundle Kit Stage 1 for 2017-2019 Duramax L5P Flat Black
Brand: Wehrli
SKU: W005 100718-FB
Price: 615.95 USD
Availability: InStock

$635.00 $615.95 Save $19.05

SKU: W005 100718-FB

In Stock

Ships by Jun 9

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Wehrli Custom Fab WCF100718 Stage 1 High-Flow Bundle Kit replaces restrictive factory intercooler pipes on 2017-2019 GM 6.6L Duramax L5P engines. It features 3" hot side and 3.5" cold side heavy-duty 14-gauge aluminum pipes with smooth mandrel bends, improving airflow for increased efficiency, throttle response, and turbo spool up. The kit includes upgraded silicone boots and stainless T-bolt clamps for a secure, bolt-on installation without requiring tuning.

Fitment

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Specifications

Brand	Wehrli
Part Number	W005 100718-FB

Videos

Wehrli Fab 3 Inch Driver Intercooler Pipe Full Install! Fits 2017-2019 Duramax L5P!

WCFab 3.5 Inch Passenger Side Intercooler Pipe Install. 2017-2019 2500/3500 L5P Duramax!!

Full Wehrli L5P Piping Kit Install!

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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