Ts awal'a bagus bikin tread,,ga pro ke standart atow racing... Tp ujung"a malah mojokin racing dng alasan boros...tread ente jd ga fear. 1. Coba ente bandingin : motor matic yg biasa bkn injection pake knalpot standar sama matic injection pake knalpot racing borosan mna..? 2. Trus kalo masalah