Uma Racing hadir dengan ekzos prestasi tinggi ‘Back Pressure’ untuk model Yamaha Y15ZR yang semakin popular dan disamping kehadiran RS150R yang mengganas.
Ekzos ini memberikan peningkatan sebanyak 1.04PS menjadikan kuasa maksimum Y15ZR sejumlah 15.47PS berbanding ekzos asal pada 14.43PS (data dari Uma Racing).
Co-founder of Bikes Republic and a motoring journalist by night. He is a self described enthusiasts with a passion for speed but instead rides a Harley and a J300. A man of contradictions, he is just as passionate about time off in the quiets as he is about trail braking into turn one at Sepang Circuit on two or four wheels.
