Remove the divider on the manifold exhaust outlet?

[niterydr]

Originally Posted by Carlos

I think mine is gone but I think you are wasting your time if you touch it anyhow. It takes a long time to port cast and I do not think you would have any increase.

While your at it, why port anything? I bet there isn't any gain in porting heads/turbo's/o2 housings/manifolds......
Just because it isn't fast and easy, doesn't mean it isn't worthwhile.