- Patented steel construction baffle now features more high-temperature fiberglass packing, provides significant gains in horsepower and torque and exhibits a distinctive, throaty sound
- Use all factory mounting hardware
- OEM heat shields may be retained
- Made in the U.S.A.
- U.S. patent 5,173,576
Harley-Davidson -- 883 Roadster XLR -- (2005, 2006); Harley-Davidson -- 1200 Custom EFI XLC -- (2010, 2012, 2007, 2013, 2009, 2008, 2011); Harley-Davidson -- 883 SuperLow XLL -- (2013, 2011, 2012); Harley-Davidson -- 1200 Low XLL -- (2006); Harley-Davidson -- 883 Custom XLC -- (2005, 2004, 2006); Harley-Davidson -- Forty-Eight XLX -- (2013, 2010, 2011, 2012); Harley-Davidson -- 883 EFI XL -- (2007, 2008); Harley-Davidson -- 1200 Nightster XLN -- (2007, 2011, 2012, 2008, 2010, 2009); Harley-Davidson -- Sportster 1200 XL 50 -- (2007); Harley-Davidson -- 883 XL -- (2005, 2004, 2006); Harley-Davidson -- 1200 Roadster XLR -- (2004, 2006, 2005); Harley-Davidson -- 1200 Custom XLC -- (2006, 2005, 2004); Harley-Davidson -- 1200 Low EFI XLL -- (2010, 2008, 2009, 2007, 2011, 2006); Harley-Davidson -- Iron 883 XLN -- (2011, 2012, 2013, 2009, 2010); Harley-Davidson -- Seventy-Two XLV -- (2013, 2012); Harley-Davidson -- 883 Low EFI XLL -- (2009, 2008, 2010, 2007); Harley-Davidson -- 1200 Roadster EFI XLR -- (2007, 2008); Harley-Davidson -- 883 Low XLL -- (2006, 2005); Harley-Davidson -- 883 Custom EFI XLC -- (2008, 2007, 2009); Harley-Davidson -- 883 Roadster EFI XLR -- (2007)