programed ECU trade with stock ECU

RCZ

As it stands right now, you will make a LOT more power out of a tune if you start with stock everything else, than if you start with full bolt-ons.... simply because bolt-ons will lean out the car already. Fuel tuning is the only way to add power right now...

So if you have no mods, theres room to make power with the tune. If you have mods, you have less and less power to make.

KaienZ34

ok that makes sense so the tune HP number will be higher if there is little to no bolt on's becouse there is more room to make the HP, but if you have full bolt on's then there is just little power left to be made "as is stands now"

so what do ya'll think take bolt on's ?? Leave ECU ??