I used to lower my non DR nitto 555s to 25psi and that seemed to work well. if the prep was good I could run 10s on them. if not consistent low 11s. street tires on the track are really hit and miss depending on the brand. I am going to take my R888s out once I get back.
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2015 Comp Orange GT Premium Perfomance Pack
SOLD!
2012 Kona Blue GT Premium
Roush TVS/JLT Big Air
Stainless Works Long Tubes and catted X.
Magnaflow Competition Catback
AED Tuned
***Driver Mod***
10.88@134 on street tires 
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