i gained 20hp with equal lenght manifold vs ATP shortlog style mani So dont tell people that it wont help cause if you make it right and calculate were you want the power it will help a lot . gained 20hp about 3500-5500rpm and about 10 top hp if i remeber my dyno right.
with a log you will get onset of boost faster. The "tubular" will absolutely blow it out of the water up top though.
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