Stage 1: stock engine/filters, stock/modified pipes about a 5% power increaseStage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters about an 8% power increaseIncreases power and drivabilityFully adjustable MaterialBrassProduct NameJet KitTypeStage 1, Stage 2UnitsKitVendor part numberQ406 MakeModelDisplacementYearCountryEngineYAMAHAYFM 350 X Warrior3502000AMERICAYAMAHAYFM 350 X Warrior3502001AMERICAYAMAHAYFM 350 X Warrior3502002AMERICAYAMAHAYFM 350 X Warrior3502003AMERICAYAMAHAYFM 350 X Warrior3502004AMERICAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYFM 350 X WarriorYFM 350 X WarriorYFM 350 X WarriorYFM 350 X WarriorYFM 350 X Warrior35035035035035020002001200220032004AMERICAAMERICAAMERICAAMERICAAMERICA