SL/R230: SL55 Performance question??
10-02-2005, 10:09 AM
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300HP TURBO GSXR
SL55 Performance question??
Has anyone done the $15k upgrade from Renntech that bumps the hp to 613 and 626 torque?? If so what kind of numbers are you getting 0-60 and 1/4 mile?
