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Wehrli

High Flow Bundle Kit Stage 2 for 2017-2019 Duramax L5P Bronze Chrome

$1,600.00 $1,552.00 Save $48.00

SKU: W005 100441-BC

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Wehrli 100441-BC is a Stage 2 High-Flow Intake Bundle Kit for 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with the 6.6L L5P Duramax engine. It combines a Stage 1 High Flow Bundle and a Stage 2 Intake Kit to improve airflow, efficiency, throttle response, and turbo spool up. The kit replaces factory plastic components with 14-gauge aluminum piping, including a 4-inch intake pipe, a 4-inch intake horn with PCV port and surge ring, and an air box enclosure with a dry filter and Outerwears pre-filter. It also upgrades intercooler piping with heavy-duty 3-inch driver side and 3.5-inch passenger side L5P pipes, eliminating the OEM resonator and leak-prone plastic/rubber pipes. Features CNC machined flanges with double O-ring seals, silicone boots, and stainless steel t-bolt clamps. Compatible with stock trucks (no tuning required). Available in powder-coated finishes like Bronze Chrome (BC), WCFab Red, WCFab Grey, Illusion Purple, Candy Teal, Bengal Red, Gloss White, and Gloss Black. Wehrli Custom Fabrication claims up to a 25HP gain with a Max Effort Tune.
Show original supplier description
High Flow Bundle Kit Stage 2 for 2017-2019 Duramax L5P Bronze Chrome

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandWehrli
Part NumberW005 100441-BC
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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