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 numberQ107 MakeModelDisplacementYearCountryEngineHONDATRX 400 EX Fourtrax4002000ALLHONDATRX 400 EX Fourtrax4002001ALLHONDATRX 400 EX Sportrax4002002ALLHONDATRX 400 EX Sportrax4002003ALLHONDATRX 400 EX Sportrax4002004ALLHONDATRX 400 EX Sportrax4002005ALLHONDATRX 400 EX Sportrax4002006ALLHONDATRX 400 EX Sportrax4002007ALLHONDATRX 400 EX Sportrax4002008ALLHONDAHONDAHONDAHONDAHONDAHONDAHONDAHONDAHONDATRX 400 EX FourtraxTRX 400 EX FourtraxTRX 400 EX SportraxTRX 400 EX SportraxTRX 400 EX SportraxTRX 400 EX SportraxTRX 400 EX SportraxTRX 400 EX SportraxTRX 400 EX Sportrax400400400400400400400400400200020012002200320042005200620072008ALLALLALLALLALLALLALLALLALL