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 number3192 MakeModelDisplacementYearCountryEngineSUZUKIDR-Z 400 S 3982019AMERICASUZUKIDR-Z 400 S 3982020AMERICASUZUKIDR-Z 400 S 3982021AMERICASUZUKISUZUKISUZUKIDR-Z 400 S DR-Z 400 S DR-Z 400 S 398398398201920202021AMERICAAMERICAAMERICA