Need advise. I think original airtrek exhaustis 2.5" at max, smaller in some places. I need 3" does the evo 7 3" kit almost bolt on with small modification at the end?
Below is a simple guide on cleaning and PnP your TB...
My TB was due for service since it's never been properly clean before..previous ways was just to spray some cleaner to clean it so I went back early after work...