335is pro tuned so cal cobb +jb4??
ok so i had my car pro tuned a month back by cobb so call
on e40
i recently dyno at 411 with 463 tq on "dyno jet"
i want more power my mods are ar catless downpipes afe stage 2
i was thinking of stacking up a jb4 g5 on top of my pro tune e40 wat do u think?
maybe messing with the new map 6 adding 1 or 2 psi more?
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