HMF’s sleeper system enhances appearance, boosts power and keeps noise low. We find out what it has to offer for Polaris RZR 800 owners, as we pair it with HMF’s Fuel Optimizer.
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View Full Story: http://utvondemand.com/rzr-800-hmf-swamp-series-exhaust-and-optimizer-test-with-video/
HMF: http://hmfracing.com/
