I got the turboXS flex uppipe too and from what i could tell it was stainless steel, not cast. Anyway i like the pipe and recommend it. I heat...
Well are you hooking the AFR gauge into the stock o2 sensor?? if so that may be your problem. For an AFR gauge to work where the readings mean...
all the perrin site says is front 22mm bar and rear also 22mm. It doesnt say anything at all about the adjustment holes. i dunno???
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