thank you for the link. ford doesn't know what piping they used on the V6 mustang. lol. I was hoping someone out there has a definitive answer on this? much appreciated. Oh is that measured as an OD or ID? thanks
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.