This P1 Performance Products exhaust part, CGMAL426, is a great choice for 2011 - 2015 Chevrolet/GM 2500/3500HD trucks with 6.6L Duramax engines. It's designed to fit all wheelbase and cab configurations. If you want to delete or tune your 11 - 15 Duramax, this CAT & DPF Delete Pipe allows you to delete your truck while keeping the OE exhaust system. Key features include upgrading your stock CAT & DPF, using 4 - inch aluminized steel tubing, having no bungs, being designed for competition use, coming with all hardware and factory - style hangers installed, and having a 1 - year warranty. P1 Performance Products makes high - quality exhaust systems in Ontario, Canada. Their kits are available in aluminized mild steel or stainless steel. Note that these competition kits eliminate factory emissions devices and require 'Race' tuning, and they're for off - road use in sanctioned racing events only.

Using this CAT & DPF race pipe is straightforward. First, make sure your truck is a 2011 - 2015 Chevrolet/GM 2500/3500HD with a 6.6L Duramax engine. Since it comes with all the necessary hardware and factory - style hangers installed, you can start the installation process right away. Just follow the standard exhaust system installation steps. Remember, this product is for off - road use in sanctioned racing events only. It requires 'Race' tuning because it eliminates factory emissions devices. As for maintenance, keep an eye on the aluminized steel tubing. Regularly check for any signs of rust or damage. If you notice any issues, you can consult a professional for repair or replacement. The 1 - year warranty gives you peace of mind, so if there are any manufacturing - related problems within this period, contact the manufacturer.