Presented by http://www.APEXKINGS.com - HB Speed custom tuning Nissan GTR R35. Custom 91 and 100 Octane Cobb Access Port Maps fine tuned on the dyno. Special thanks to Fontana Nissan and HBSpeed.com for raffle ticket free tune!
538 awhp/ 559 lb-ft of torque. About a 30 horsepower and 80 lb-ft of torque gain on the custom tune vs the "off the shelf" Cobb Tune.
Source : Apex Kings