EXHAUST VALVE SPRING WHITE fitment_Polaris-UTV_RZR_2016 Or you can control it

Or you can control it with the included remote

The clear high impact nylon housings are gas

The trailing arms are made with 1/8" heavy-duty steel plating and internal gussets

Vent grommets allow dirty gear to breathe and dry

it's designed for durability and efficiency

EXHAUST VALVE SPRING WHITE fitment_Polaris-UTV_RZR_2016 Or you can control itPolaris exhaust valves open with cylinder pressure. As you go up in elevation, cylinder pressures are reduced causing exhaust valves to open later than they should or in some cases not at all. This can cause poor and inconsistent top end horsepower. Changing to lighter exhaust valve springs allows the exhaust valves to open at the proper time maintaining proper top end horsepower and running consistency