i wonder can we make any changes to our gear ratio?
as currently my 1.8(M) is making 100km/h @ 3k rpm 5th gear....
seems a little short.....
it would be better if can achieve 120 or above.....
Different brand wastegate create different sound?what size suitable for stock evo 7 tubo?anyone ever try Zap(brand)turbo manifold n wastegate 44mm?help me,all sifu,any other things need to notice fitting a wastegate???