4 2 1 manifold question
Posted: Sat Dec 20, 2014 3:08 pmIs it worth getting a 421 manifold for my d15b2 non v tec and if I was to buy one would it fit onto a B series iff I decide to get a engine conversion.
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Posted: Sat Dec 20, 2014 3:08 pmPosted: Sat Dec 20, 2014 4:55 pmIm not familiar with your motor. But, I am running a 4-2-1 header right now and I have lost a good amount of low end torque and horsepower. I used a 4 into 1 header and it made my hatchback more fun to drive.