I have a 2012 Si and for my exhaust set up I have Tsudo and an ultimate racing down pipe. I got some information from another member that they are M8 grade. Does anyone have any specifics on these? Dimensions?
Would any of you guys happen to know what bolts I need between my downpipe and the rest of the exhaust? I put my Tsudo on with an ultimate racing down pipe back in 2013 but the bolts have got rusty and have come lose and I think they will snap off if I were to tighten them up.
You guys will never believe this. Its almost a year later and the same thing happened to my car. I have my car under video surveillance at night time and no one touched my car and it has the same markings as before. It got really cold out last night and ice was all over my car. I do not even...