vr4gt_2_Legacy Posted August 12, 2016 Share Posted August 12, 2016 Gutted downpipe is all I changed but I think it was off before also. Im ostune using a combination of mickeyd and nsfw. I have been getting more very low load knock also I mean .8-1.5 loads. My exhaust leaks badly after the resonator pipe I have an atmospheric bov too I peak at 17.5 target is 18.5 Link to comment Share on other sites More sharing options...
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