Fits: 2017 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HP L5P Duramax Diesel

Replace the restrictive plastic factory air intake system for improved engine performance with the Wehrli Custom Fabrication Stage 2 4" Air Intake Kit. This kit combines WCF100344 and WCF100721. This new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the ram air duct and inner fender.

Features:

4" diameter piping, 14ga. Aluminum
10ga. Aluminum construction air box
Intake horn 1.1" larger than OEM
Removable air box lid for ease of maintenance
Improve airflow, throttle response, horsepower & torque
Cooler intake air temperatures
Aggressive engine and turbo sounds during acceleration
High quality hardware, silicone boots, & stainless t-bolt clamps
Installs easily with basic hand tools
No tuning or modifications required, compatible with stock trucks
Made in the USA

Includes:

4" Intake pipe
Air box with lid
Dry style air filter
Outerwears pre-filter cover
Ram air port hood seal
3.5" Intake horn
Seal
Hardware
Silicone boot & Stainless steel T-bolt clamps
Custom color powder coat POWDERCOAT COLOR CHART

Notes:

Not compatible with WCFab Intake Resonator Pipe
Failure to disable air filter monitor system will result in a service air filter message that will require a dealership reset, air filter life will show disabled message when settings are correct
15+ Business Days Before Shipment, this is a custom order part, once the order has been processed it CANNOT be canceled, returned, or refunded
If you enter a powdercoat color that is not listed on the chart, your order will be delayed as we will have to contact you to discuss the options. RAW Finish is NOT available!

Replaces Part #:

GM 23458514
GM 84841225
GM 84262962
GM 84850015

THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.

2017-2019 L5P

GM Downstream NOx Sensor, 2017-2019 L5P

GM Upstream NOx Sensor, 2017 L5P

GM Upstream NOx Sensor, 2018-2019 L5P

Westin HDX DEF Tank Skid Plate, 2017-2019 L5P

WC Fab 4" Stage 2 Intake Kit, 2017-2019 L5P

GM Thermostat Kit, 2017-2026 L5P/L5D

FASS EGR Filter System, 2017-2019 L5P