GMC Sierra 6.6L 2013-2014, S300 Series Downpipe by Wehrli Custom Fabrication®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.
- This part for Racing or Off-Road use only.
- This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards. required to meet CARB standards and/or registered in California and other states which follow CARB standards
|Emissions: Racing Only|
|Series: S300 Series|
- Made to ensure the highest level of quality
- Precise engineering provides great longevity
- Backed by reliability and integrity
Founded in a two-truck garage circa 2010 in Sandwich, Illinois, Wehrli Custom Fabrication® specializes in high-performance diesel and custom metal fabrication. At WCFab, they take great pride in their reputation for providing the highest-quality fabricated parts and performing repairs on your Duramax, Powerstroke, & Cummins diesel trucks. Since their beginning, Wehrli Custom Fabrication has been focused on making the best products on the market. Whether you use your diesel truck for work, play, or racing, you can trust Wehrli Custom Fabrication turbo kits and custom performance parts to exceed your expectations. You can rest assured that with the purchase of any of WCFab custom fabricated, made-in-the-USA parts, you’ll receive the best quality, fitment, and performance. So, outfit your towing rig with the popular S400 Over Stock Compound Turbo Kit, or get four digit horsepower numbers – Wehrli Custom Fabrication can handle it.