Polaris 850 Boost tuning Speedwerx muffler options and ECU tuning
Mod stock muffler, quiet Trail Lightweight, L2 muffler all tested with stock ECU and Stages 2.0.2.5 and 4.0
PolarisBoostTurboTuning Hot Rod Sled ShopTorque Link Reflashes
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Compare torque and HP curves of the new 900 with our well broken in 850 Patriot.
2023 Polaris Boost VR1 Stock evaluation and tuning for higher HP
Add 20 hp on pump gas, and even more with higher octane tunes!