TWIN AIR Standard Air Filter - KTM 154114 Honda Racing Pullover Hoodie This R1 exhaust system was

This R1 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 7 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles

With the EVR by Graves we solve all 3 issues

Innovative design for improved aerodynamic efficiency

RadiusX combines TorqDrive friction disk technology with EXP (auto clutch) disk

Replacement muffler clamps

TWIN AIR Standard Air Filter - KTM 154114 Honda Racing Pullover Hoodie This R1 exhaust system wasDual 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