Re: OPEN PLENUM 4 BARREL INTAKE GOOD?Bruce?
Open plentum will Idle ok but street driving there not to good. Opens start at 3000 and Dual plennum starts idle to 500-6000 and has smooth transitions and are designed for street. Open is great for racing where you launch at 3-4000 and they work well at high RPM's. I have run both on the street and went to the dual .
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