Yes you need to take a few deg of timing off and also run 1 step colder plugs If you are going to run a 100-shot personally I would also get an UpRev Tune to make sure everything is running how it should be..... thats what I did on my old 06 350Z
DAN
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-My BRZ with exhaust will decimate all if we overnight parts from Japan-
10 Civic EX Sedan- Current Daily
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