Originally Posted by
JDMbyBlood
I did a search, but was getting mixed reviews/answers. Some say a good upgrade and some say same as you guys a waste. I was looking to get 300+ hp, but read that a s14 turbo was only good to about 290hp, while the s15 would get me to the 320+hp mark.
320 is reaching ALOT.. just bite the bullet and buy a bigger turbo and after market manifold and downpipe and hot pipe and etc etc. long story short putting the s15 OR any stock turbo as a replacement for what is stock on yours the fits your mani is going to be disappointing.