The built block along with before and after pics of heads with burnt valves.
Sent from my SM-G955U using Tapatalk




Sent from my SM-G955U using Tapatalk
I went with the NA manifold mainly because I like the CFM flow per runner being much more close to each other compared to the sti intake manifold. The other main reason is it should give better mid and top end power due to the larger plenum and larger amount of CFM the runners flow.Looking good! Just curious, what's the benefit of the NA manifold as opposed to the STi one?