TWIN AIR Air Filter - KTM 154008 Universal Throttle Cable so you can choose the

so you can choose the perfect side or get them both

cylindrical 3-1/2" muffler body in addition to the megaphone style of the original PowerPro

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Race winning YZ450F exhaust

TWIN AIR Air Filter - KTM 154008 Universal Throttle Cable so you can choose theDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions