I have a 2008 firebolt xb12 with a jardine gp1 pipe and a k&n filter and i have been riding it for a week now with nothing more then a tps resat and it seems to have more pep no heating issues that i am aware of i did do the breather by pass and that settled down the popping on decel> i have been hitting the rev limiter a little more thean i have in the past it seems to pull up to the limiter hard it seems to want more i am trying to figure out how much more i should give it> I have what seems to be a odd ecm i can't seem to find a matching map for my firmware >
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