- 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
Kawasaki -- VN 800 E Vulcan Drifter -- (2000, 2001, 2006, 2004, 2002, 1999, 2005, 2003); Kawasaki -- VN 800 C Vulcan Drifter -- (2002, 2005, 2003, 2001, 2004, 1999, 2000, 2006); Kawasaki -- VN 800 B Vulcan Classic -- (1999, 2004, 2005, 2000, 2002, 2001, 2003)