Originally Posted by KingJoseph

I'm sorry to repeat my question, but my exhaust is just a few weeks away... does anybody have any idea how many rwhp the FI exhaust will net me over the factory Nismo exhaust? No way it's a downgrade power-wise, right? I guess it's too late anyway, but I'm surprised nobody has been able to quantify this. Come to think of it, I'm surprised I didn't do this homework beforehand.