i ran the zex 100 shot on my 08' for a while w/o any timing changed etc,,just swap to ngk tr6's
i ran the zex 100 shot on my 08' for a while w/o any timing changed etc,,just swap to ngk tr6's
yeah, but last time i priced the tr6 they were outrageous
i would imagine that the premium octane tune would be better for the way it handles the N2O