Originally Posted by v man

i would leave the exhaust and smoth/flow the inlet a bit better (wrong way round fella, its easy to get air in harder to get it out, a STD yb exhaust port is quite poor!)

cams will just move the power around the rev range (not entirely true it will also make more(or possibly less of course) power not just move it)

4x4 inlet will help the responce a bit maybe with a spacer (add inlet volume for response?)

but if your happy with what the car does now then save the money for a new camera lol