Fat Pipe Yfs200 88-06 020143Fatty PipeFMF's Fatty Gold Series pipe broadens the powerband and provides a healthy power increase everywhere Improved throttle response, a linear powerband and enhanced over rev all add up to a pipe that everyone will benefit from If youre riding trails, tracks or in the open desert, this pipe has what youre looking for FMF Racings Tru Flo stamping process ensures a perfect fit and optimum performance Includes O rings NOTE: Will not pass 2025 FIM