Wehrli Custom Fabrication Inc. specializes in High-Performance Diesel and Custom Metal Fabrication. At WCFab we take great pride in our reputation for providing the highest quality fabricated parts and performing upgrades and repairs on your Duramax, Power Stroke, & Cummins Diesel Trucks and Side by Sides / UTVs.

Get up to 595 HP and 1080 ft-lbs torque WITHOUT EGR delete kit & problems. Experience the best custom L5P tuning for your 2017, 2018, 2019, 2020 or 2021 Chevy or GMC diesel pickup.

We have Custom-Tuning, Stealth Turbos, and/or other upgrades available for your Duramax, Cummins, Power Stroke, EcoBoost, Roxor, Class A Diesel Pusher, HD Trucks, Tractors, Combines, and more.

For 2020-2023 Duramax L5P 6.6L owners who want better throttle response, more torque, and serious pulling power, GDP EZ Lynk Duramax L5P 6.6L Tune Files (2020-2023) deliver the performance your truck was built for. Whether you're towing, daily driving, or pushing for max power, these custom-calibrated tunes ensure your truck performs at its peak.

Feb 7, 2022 · A handful of simple bolt-on performance upgrades can take the L5P past the 550whp and 1,200wtq territory. We’re going to discuss how a few upgrades like tuning, an intake, exhaust, downpipe, and intake horn can add impressive power to the Duramax L5P.

20-23 L5P Compound Turbo Kit with Billet S475 or S480 Borg Warner Turbos. Only TRUE 20+ compound kit on the market ! Kits are built to order 3-4 week timeline. Upgrade your 20+ L5P Duramax with this custom built compound turbo kit. Texas Built and Made to Last ! Inquire about in stock availability. Want just the kit with no turbo ?

WHY TUNE YOUR L5P WITH OUR CUSTOM EZ LYNK TUNING? No need to permanently unlock or remove your ECM; 5 Power Levels Ranging From +40 HP to +125 HP; Lighting fast installation; FREE INSTALLATION SUPPORT; Retain all factory safety settings; Purpose built tunes; NO NEED TO DELETE YOUR EMISSIONS EQUIPMENT

Wehrli Custom Fabrication - WCFab - 2017+ L5P Duramax Not sure exactly which parts will work best for your needs? Give our team of Duramax experts a call at 630-277-8239!

Dec 11, 2024 · Discover the perfect custom tune for your 2017-2023 L5P Duramax with options for peak performance, towing, and everyday drivability at Calibrated Power.