- Features lightweight stainless steel and aluminum construction
- Designed to increase horsepower and torque
- Bolts directly to the stock headpipe
- USFS spark arrestor
- Optional quiet core inserts available separately
Suzuki -- DR-Z 400 S -- (2012, 2013, 2005, 2006, 2002, 2007, 2008, 2000, 2009, 2004, 2001, 2003, 2014, 2015, 2010, 2011, 2017, 2016, 2018, 2019); Suzuki -- DR-Z 400 SM -- (2008, 2010, 2011, 2013, 2005, 2007, 2015, 2000, 2009, 2002, 2004, 2006, 2012, 2003, 2001, 2014, 2016, 2017, 2018, 2019); Kawasaki -- KLX 400 SR -- (2006, 2003, 2004, 2005)