I didn’t think such a high compression engine could handle that type of boost without a thicker headgasket or spacer. :gotme: I guess that explains the high horsepower it makes under “low” boost.
Sounds like it’s totally worth it, think of the $$ spent on that supra one top of it’s original $45-50K price tag. Used E46 and this kit = one of the sweetest rides for around $50K 
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