- 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 -- CB750C Custom -- (1981, 1980, 1982); Honda -- CB900C Custom -- (1980, 1981, 1982); Honda -- CB900F Super Sport -- (1980, 1982, 1981); Honda -- CB750F -- (1981, 1982, 1980)