- Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase
- Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase
- Stage 3: stock/mild modified engine, stock/modified pipes, individual air filters; driveability may be compromised, N/A for some motors; about a 10-15% power increase
- Stage 7: race-only, high rpm, not for street use
- Increases power and drivability
- Fully adjustable
Honda -- GL1500G Valkyrie -- (1998, 2001, 2003, 1997, 2002, 1999, 2000); Honda -- GL1500CT Valkyrie Tourer -- (1997, 1998, 2001, 2003, 2002, 1999, 2000); Honda -- GL1500CF Valkyrie Interstate -- (2001, 1999, 2000)
