This is the FLO - 857NB 4 - inch CAT & DPF delete pipe by FLO - PRO, specifically designed for the 2011 - 2018 Ford F - Series with a 6.7L Powerstroke engine. It fits all wheelbase and cab configurations except regular cab trucks. The kit replaces the restrictive OEM CAT and DPF with a 4 - inch mandrel - bent delete system. This not only gives your vehicle a great sound but also boosts torque, improves mileage, and enhances throttle response. Key features include removing the restrictive OEM parts, having no bungs, and using 4 - inch piping. Click here for installation instructions.

Using this FLO - 857NB 4 - inch CAT & DPF delete pipe is a great way to enhance your 2011 - 2018 Ford F - Series 6.7L Powerstroke. First, make sure your vehicle is turned off and cooled down before installation. Just follow the provided installation instructions carefully. Keep in mind that this product won't fit regular cab trucks. For maintenance, periodically check the pipe for any signs of damage or loose connections. If you notice any issues, get it inspected and repaired right away. With proper use and maintenance, this delete pipe will keep your vehicle running smoothly and efficiently.