Wehrli Custom Fabrication Inc.

10/16/2026

📡 New Product Alert 📡

2017-2026 L5P Duramax High Flow Y-Bridge Kit

This upper intake manifold represents the culmination of our years of R&D experience pushing this GM platform to its limits, engineered to maximize airflow, improve efficiency, and support everything from stock trucks to high-horsepower builds while addressing critical weak points.

This kit provides an emissions-compatible, made-in-USA part that delivers 33% More Airflow than OEM and requires no additional tuning for installation.

Part Number: WCF100171

10/15/2026

The 2026 WCFab Open House Merchant Automotive, LLC Mullet Competition was a party in the crowd and business center stage. 🤘

These contestants weren’t afraid to put their flow to the test!

10/14/2026

This one’s for the 1500 guys. 🤘

10/13/2026

Out with the old, in with the new. 😎

The WCFab 2020-2026 6.7L Powerstroke Y-Bridge Kit with Intake Horn is the largest, least restrictive, highest-flowing upper intake manifold available.

At 146% greater airflow than the factory intake manifold system, this is a must-have for any truck.

10/12/2026

Congratulations to this year’s Merchant Automotive, LLC Open House Mullet Competition winner, Eli! 🥳

We’d like to give a shoutout to everyone who entered a mullet! We know you’ve been growing these out for years and it’s an honor to help show them off.

10/09/2026

Until next time! 🫡

We are so thankful for the support of everyone who made our Open House happen and are excited to see how much we’ve raised towards the Wehrli Custom Fabrication Scholarship Fund!

10/09/2026