14-08-2013, 09:53 PM
i once heard a rumour that the 16v xsi head flows better than the 6 one . . . . .don't shoot me jus saying . .
Phase 1 D-Turdo, K14@24 psi, De-cat, meaty backbox, Bosch pump, grinded LDA pin, duel air fed K&N =133.7bhp & 188ft/lbs