Have an 05xb12 with a jardine pipe and a k&n filter. If I put this tfi unit on will I notice a diff. in performance, or am I better off buying a race ecm. And why do you have to reset the tps when you put a race ecm in anyway. Do you have to reset it with the tfi?
tfi units, is there a noticeable diff.
- Thread starter scottyp
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