G
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·has anyone had experience running several different brand exhaust manifolds on a single turbo? i'm wondering which one has the best flow and creates the most horsepower?
thanks for the feedback peteMagic said:The HKS is by far a superior manifold. I have had both in my hand to inspect up front and after buying the RPS, sold it so I could purchase the HKS that I am currently using.
I also know someone who dyno'ed with both manifolds and made more power with the HKS manifold.
The RPS has smaller longer runners for higher velocity exhaust gases.
The HKS has thicker shorter runners to achieve more flow.
In the end, both are excellent quality manifolds with the HKS being of slightly better quality, fit, and finish. The performance differences in my opinion are negligable.
IMHO, you would be ok with either manifold.
-pete