doesnt mean if the wastegate spring is 1 bar, u cannot boost more than 1 bar. it means the wastegate sound will come out above 1 bar. just get the 1 bar one la, rm880 at ss racing hehe.
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???