Performance Exhaust
06-19-2012, 11:00 AM
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Performance Exhaust
Has anyone had experience or first hand knowlege on IMCO PowerFlow Performance Exhaust. How much gain is there over stock manifolds ? the engines are 5.7 mercrusier mpi 300hp.........
Last edited by 01scarab29; 06-20-2012 at 09:25 AM.
