Wibowo TN, Prabowo NR, Purwanto D. Analisis Penggunaan Knalpot Racing Slip-On Dan Knalpot Racing Full System Terhadap Performa Mesin Pada Motor 150 CC . PSPFS [Internet]. 2023 Oct. 13 [cited 2025 Mar. 22];6:204-8. Available from: https://conferenceproceedings.ump.ac.id/pspfs/article/view/872