an extra oil line 3 foot of vacuum tube and an additional intake pipe is a whole lot of extra work considering How you get those 6 individaul runners to converge 4 foot away from the block into 1 place Lets see anyone in here make a ligitmate 6 into 1 turbo header by hand. Compared to making 2 3 into 1`s talk about bad excuses.

Ex-cat cams dealer. Today we do motor mounts.. Tommorow. Intake manifolds