need help!
#1
need help!
question, i have a 04 mazda 3 2.3l i have a hps cai. i want to put a turbo kit in it and an exhaust cat but my friends say that i need a turboback exhaust? do i need one? because on ebay the turbo kit comes with an obx turbo header and a downpipe so isnt that all i need then a catback?