bone stock ?
no different air cleaner... or nothing?

 

 

ahhh... cone filter and exhaust.

https://www.evolutionm.net/forums/ec...-evo-8-9s.html

 

From what I was told some Rev hang is normal. But you can grease up your throttle cable spring and clean out your throttle body really good. It's easy for some **** to get caked up around the plate causing it to close slower.