Description
The FLO SS857NB is a 4″ CAT & DPF by FLO-PRO for the 2011-2019 Superduty 6.7L. It replaces your restrictive OE CAT & DPF with a 4″ mandrel-bent delete system. This kit not only sounds great but will improve the torque, mileage, and throttle response on your 6.7L!


Reviews
There are no reviews yet.