ultra vs pro skunk2

[kilo1onedelta]

Is there much point in getting the ultra series intake manifold if i am keeping my ek9 naturally aspirated?

It provides a 90mm opening from the Throttle body, I can see why you would want it if you had forced induction but how many horses N/a should I have before considering such an upgrade from 68mm

Thanks

 

[Tegiwa Imports]

Have a look at the ultra 'street'

 

[JohnTurbo]

On the contrary...the stock tb is big enough for any forced induction application short of championship drag racing.

You would need a big tb for, say, a 10000rpm overbore, sleeved,forged monster na. (And not much else!)

 

[kulo]

ultra is better with alpha s 70mm