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If you are going to tune, just set the plugs 0.027 or you will get spark blow out minutes into the 1st drive after tuned.

As spaced out was saying the car is set to only make X amount of power and will cancel out intake and exhaust mods until you tune the car to look for more HP and boost. Haven't used BNR yet but with the Trifecta tune(s) described above, you can see where the stock tune sand bags at 3K rpms. Car has 87 and 91 map and spark knock is used to determine what fuel trim to use.
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