whats the difference between GSR conrods and CA18 conrods?
ppl been asking me why not change it to CA18 conrods...
but i duno whats the difference...
and whats car(engine) is CA18 conrods from..
any sifu here mind...
guys i need your opinion here..what is the best exhaust piping diameter setup for stock evo1&2..??
2.5 inch or 3 inch..??
if i would to upgrade my current 2.5 inch to 3 inch what difference...