Ive been getting some kr up 7* when in boost, esp around 45-60mph.Under wot and half throttle, I changed the plugs running 104's gapped at .050 and still getting the kr. Do i need a tune or am running the wrong plugs/gap for my mods?
zzp stg 1 tb, 3" dp, 2.5 catback exhaust, dhp pcm, 3.4 pulley, slp sway bar (flipped)...any ideas?