PowerFactor Yamaha Freestyle Exhaust System with Power Box
... ride, the PFP exhaust optimizes the power band of most modified jet ski engines
. The exhaust manifold bolts up
to any Yamaha 701 exhaust bolt pattern. PFP also produces an adapter plate ... 700/800 exhaust pattern.
The PowerFactor dry exhaust, is designed so nothing interferes with the engines
top end. This allows for any combination of top ends (Bore, Stroke, and Exhaust Valves ...