It seems to be the larger maf housing from the 987 that causes my issue. I put a restrictor inside it to make inside diameter smaller, which helps some. Had two different softronic tunes, one works slightly better other not at all. I need to use the original maf housing from stock box and adapt it on there I guess. Just dont want to go that route until I can afford IPD and larger tb, Too many other hobbies....Just turned 10, 000 miles on engine in two years.
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