If your objective is maximum power, and damn the noise, a
peripheral port exhaust and intake make a lot of sense; on the other
hand if a quieter, nice neighbor type of installation is your
objective, you will lean towards the Renesis because it is easier to
keep the noise down.

Jerry Hey wrote:

There is no reason a p port exhaust cannot be quieted.  The P port
intake makes  sense unless you are installing a turbo.  In addition to
the obvious power gains, the p port intake is much lighter in weight
and has a smaller foot print.   Jerry

 
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