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420tt
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I have a boost gauge, but now Ive upgraded to the dual A-piler gauge holder I want more info about the real condition of my engine My question is whats the second most important gauge? Ive been told A/f gauges arent trully functional.(Cant tune by them ect...) EGT? Why???
Thanks
Rob
97 TT BPU+
Thanks
Rob
97 TT BPU+