T TheCobb New member Oct 26, 2009 #1 Shortly i will be putting a 3in cat-back exhaust on my GTP. i will also be installing a ubend delete, and i plan on cutting out the cats. will i need to do any sort of engine remapping? if so, how can i go about doing it?
Shortly i will be putting a 3in cat-back exhaust on my GTP. i will also be installing a ubend delete, and i plan on cutting out the cats. will i need to do any sort of engine remapping? if so, how can i go about doing it?
