Purple and black is a 2004 w/MC Xpress KKK K27 5812 modified turbo w/McIntosh Arm, Crower Rods, Carpenter Springs and separate boost control for each gear, 18/40 gearing. Set for 15 lbs on pump. On race, at 30 lbs it made 469. Prolly makin' about 330 or so on pump. Gray one is a stock 2009 with a Yosh full pipe - Makes 185.
Dave