This was a real nice sled that spun a lower rod bearing. Dg Performance Xtreme Atv Exhaust 00 5013. I think some later Indy 500's came with a longer pipe in the front that gave a little extra. 1999 Polaris Scrambler 400 2 Stroke Custom You. 2002 Polaris Scrambler X 400 4x4 Hot Seat Pipe You.