That's the other thing about the BP kit. Sasha changed the turbo at some point to a 1.15A/R. Some of us also have the ball bearing turbo and I believe his original graph is journal bearing. These options really make a difference in performance.
Bottom line both kits are fantastic. The FI kit is probably the best option on the market but it comes at a cost. I didn't have Tony price me an option since it doesn't currently fit a G37 but based on what comes with it I would assume $11-12k out the door for what I got from Sasha for $8k. Add on to the fact that I haven't seen anyone install a FI kit themselves, so add another probably 10-15hrs of additional shop labor and you get to 4-5k extra.
All said and done the FI kit kit is probably slightly better. $4k better is a decision only you can make.
No way you are disappointed with either.
Last edited by jwick; 05-17-2014 at 12:43 PM.
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