Got a used, good condition Speedwerx Fat Daddy pipe and Y-pipe. Fits 800cc 2007-2009 Crossfire (R) / M-Series / 2009 HCR (5,000 Ft.+) Fat Daddy Single Pipe. I used this at 8000' + with no controller and had no problems. 5 pound weight loss and 10-11 horsepower gain. $290 plus FRT.