Forum - Briggs & Stratton Racing
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Registered: 01/06/14
Posts: 1
Reply with quote  #1 
Has anyone ever tried a PRD Pipe on a World Formula? Just curious if Horsepower would be increased. No classes for the World Formula where I live, just enjoy practicing with it right now and was thinking of putting a PRD Pipe on it.

Registered: 06/22/11
Posts: 189
Reply with quote  #2 
        The WF exhaust was actually designed for this 'style' of exhaust due to the FIA CIK noise requirements for the class.  As far as getting additional performance, you likely won't notice much of a difference.  The PRD exhaust, just doing a generalization because its similar to what we have tested, will give you a small increase in mid-range torque but you lose a .1-.2hp on the top end.  The PRD exhaust will basically take sound away and the performance characteristics almost cancel themselves out on the racetrack.

Thanks for the post!
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