i know that mugen had a header for 2.2L, but how does the power gain on what the topic said

 

Mugen claims no HP gain on the 2.0l version header (mostly a weight reduction piece) I think it does improve the midrange a little though. They claim a 10HP gain on the 2.2l version on a stock AP2 Per Kings and Mugens website. Only dyno plot I've ever seen posted anywhere.

The 2.0l header will fit the 2.2l motor, but I dont see how the gains would be any different. I am sure someone has already ran this set up, but I have not heard or seen dynos with it.

I have the 2.2l header on my 2004 S2K and love it! I would recommend it to other 2.2l owners. The car feels a lot smoother and the butt dyno says it made some power, but have not dyno'd the car as of yet.

 

How about the 2.2L header on the F20c...anyone tried that

 

lol that's what he just explain
Im still thinking to go with mugen or j's