04-08-2012, 01:16 AM
metal ones can bend and throw your tracking out, plastic is either right or snapped . . .i go with plastic and haven't had any probs up to press .

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