Top end drag

cross factory rear fenders are hideous. doesnt look like a skyline either way, your arches are too wide, god bless spacers

I run 18x10.5 +22 rears with 235/45 and 18x9.5 +22 with 20 mm spacer and 225/45 Tires are stretched, fenders rolled and pulled. Looks absolutely bad ass, handles like poop 18x8 and 18x9 was my previous set up and rolled the fenders. That fit was good

I run 18x10.5 +22 rears with 235/45 and 18x9.5 +22 with 20 mm spacer and 225/45 Tires are stretched, fenders rolled and pulled. Looks absolutely bad ass, handles like poop 18x8 and 18x9 was my previous set up and rolled the fenders. That fit was good

Seems like you have a bit of a flow issue Bigger, thicker intercooler and exhaust will open it up and get you more power. The difference in my car with just a proper front mount was incredible. Open up that exhaust, 3" or bigger and remove the cat. How is your fuel pressure under boost? I had an issue, my fuel pressure dropped 10-15 psi from full boost as I climbed the rpm's. Resided the pump to the battery and it solved the problem. Also scrapped the 60mm eBay wastefate for a turbosmart 60mm and that made the world of difference. I run a holder hx40, stock rb25 and bolt ons and made 492 at the rear wheels at 19.5 psi. Your set up with a few changes (fmic, exhaust, fpr) is all you need in my opinion. My first tune was 474 rwhp and with the fuel pump wired to the battery and new wastegate it did 492 rwhp and boost came on 300 rpm quicker.