- Overall increase in power and torque
- Durable stainless steel and aluminum construction
- Advanced packing material for maximum longevity
- Removable spark arrestor included
- 2006-2007 Suzuki DR-Z 400 K, 2006-2007 Suzuki DR-Z 400 E, 2005-2021 Suzuki DR-Z 400 SM, 2003-2004 Kawasaki KLX 400 SR, 2000-2022 Suzuki DR-Z 400 S