I have extractors/sportsexhaustand updated memcal on my 99 VT Manual Series II. Please advise what else to look for to get more power out of it? Michael August 23, 2023 07:00 Updated We can certainly help you out. Please be advised that you will need a re-tune if you upgrade your engine modifications. Related articles I have the following modificationson my 5 speed VS; 69mm throttle body, v8 injectors, SS induction, extractors, exhaust system, 12mm Plenum spacer , 12mm manifold insulator , air intake chip which is connected to the aif ..v8 fuel pump. Can Mace suggest Comments 0 comments Please sign in to leave a comment.
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