Aftermarket Assassins Stage 2 Lock & Load Kit for 2018+ RZR RS1 Yamaha X2 XTR No drop in horsepower because

No drop in horsepower because of capping on side

Blow off valve filter helps keep dirt and debris out of your blow off valve and intake system when pressure is discharging

Highlights:

ensuring your RZR4 remains safeguarded from potential damage

Aftermarket Assassins Stage 2 Lock & Load Kit for 2018+ RZR RS1 Yamaha X2 XTR No drop in horsepower becauseAftermarket Assassins Stage 2 Lock & Load Kit 2018+ RZR RS1 Lock and load your RZR RS1 and get ready for some serious kick! The RZR RS1 is a great machine, but Polaris left a ton of room for improvement on any year machine. This simple kit is the best way to wake up your RS1 as it comes with our proven ECU tunes which are loaded via the PV3 ECU tuner. The tunes add some amazing horsepower from low end to high end RPM's, and really give your machine