Wehrli Custom Fabrication specializes in high-performance diesel upgrades and custom metal fabrication. At Wehrli Custom Fabrication they take great pride in their reputation for providing the highest quality fabricated parts and upgrades for your Duramax, Powerstroke, & Cummins Diesel trucks. Since the beginning, Wehrli Custom Fabrication has strived in producing the best products and service on the market, offering turbo kits and custom performance parts on many different levels for your work, play, or competition diesel truck. You can rest assured with the purchase of any of their custom fabricated Made in the USA parts, you will receive the best quality product, fitment, performance, and customer service, before and after the sale. Whether you're looking to outfit your towing rig with Wehrli Custom Fabrication's popular S400 over stock compound turbo kit, or if you're looking for four-digit horsepower numbers, they can handle it and Turn 14 Distribution has it.