Thanks for the feedback... are the HP gains noticeable? And does the sound add to an upgraded axle back exhaust? Or are they two differant things? Thanks again for the feedback.
2013 V6 Mustang Automatic with the following mods: Roush Hood scoop, 3M Clear braw paint protector, MRT rear window louvers, 3M scotchprint carbon fiber roof wing decklid and scoop, strut tower brace, FRPP axleback exhaust.