RZR XP 900 Double down intake or racer tech springs??? January 6, 2016 Fixn to spend some Christmas money. Should I get the double down intake(2200 miles and no sign of debris getting past stock filter) or racer tech springs(springs only, no revalve)??? Thanks. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related