Originally Posted by
bimboser-r6 the manifold the bottom part of it it stock and ported bigger and the top manifold was made by maxworz the made their own and i wanted them to make me one at my cost cheaper i paid 300 for the 5 in plenum q45 flange for the throttle body and ported with velocity stack in the back of the plenum there is 4 holes if i wanna go nitrous when i get done the setup all for 300
but isnt the bottom part of the manifold what slows the air as it enters the head? how did u solve that reverse cone design? are the velocity stacks able to slove that design flaw? (asking as Im looking to do my mani upgrade next)
oh wats the volume of the plenum?