horsepower

Hey guys, I finally have my Prelude engine ordered.. with months of research and reading about the options I have for swapping out my B21A1, I finally rounded up the money and decided the B21A1 REBUILD was not worth it without replacing the FRM sleeves. (which I can not afford, nor can I find...

What would you recommend the best cold air intake to put on a 89 si, or even the best intake that will give it the most HP increase?, i have the stock B20A5 in it still

I used this for about 2 track days. Other than that its like new in great condition. (btw i took it off because i have a hole from my old cold air intake and its missing the fender liner so i was scared to get water on it) Anyways It comes with the bpi flowstack and a K&N air filter. Both...