Car appreciation... the aesthetics, the engineering, etc

Is airflow in a limiter on performance as it stands or post new engine? I seem to remember you had the intake tested and it flowed very well?? Might be missing remembering though.

The stock intake didn't flow as well as the head, hence we got the X51 intake - but now we're going to (lots) more revs we're swapping in larger valves as well as porting and flowing the head, so the intake needs to up it's game a further level.

I reckon we'll end up with the X51 exhaust manifolds, also, but not sure on that - potentially the M97 ones.