Just got my friend into the high 9's. Figured I'd just throw that out there. Btw its a gt42 but its lasted 6 months so far on 25lbs so not bad for a cheap ebay turbo.
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04 GTO M6 | HE SS Clutch | Kooks LT's | SLP LM2 | K&N
Soon: APS TT kit
SOLD \/
01 GT | STr5 cam | PT-67 | 18-22psi