Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters about an 8% power increaseIncreases power and drivabilityFully adjustable MaterialBrassProduct NameJet KitTypeStage 2UnitsKitVendor part numberQ414 MakeModelDisplacementYearCountryEngineYAMAHAYFM 660 R Raptor6602001AMERICAYAMAHAYFM 660 R Raptor6602002AMERICAYAMAHAYFM 660 R Raptor6602003AMERICAYAMAHAYFM 660 R Raptor6602004AMERICAYAMAHAYFM 660 R Raptor6602005AMERICAYAMAHAYAMAHAYAMAHAYAMAHAYAMAHAYFM 660 R RaptorYFM 660 R RaptorYFM 660 R RaptorYFM 660 R RaptorYFM 660 R Raptor66066066066066020012002200320042005AMERICAAMERICAAMERICAAMERICAAMERICA