All Balls Racing 10-11 Honda CRF250R Chain Roller Lower 1990-audi-80-base-esi4675384 For the best performance on

For the best performance on both the track and the street

This cat replacement is designed as a one piece system that retains the factory O2 sensor and hanger locations for a direct bolt-on and go solution

Each tailpipe has a laser-engraved Akrapovic logo

AI3-XTSD kit features an Xtreme pressure plate for the most demanding driver

All Balls Racing 10-11 Honda CRF250R Chain Roller Lower 1990-audi-80-base-esi4675384 For the best performance on34mm and 38mm rollers feature an outer mechanical seal to protect the bearings from dirt and water 34mm and 38mm rollers feature an outer mechanical seal to protect the bearings from dirt and water Designed as a direct replacement for OEM design