Akrapovic - S-HDSPR2-B - Open Line 2-Into-2 Exhaust System, Black Un-matched European craftsmanship, outstanding performance, design, and of course the unmistakable deep resonant sound of Akrapovic all come together here in these 2-into-2 systems Highest quality materials are used throughout, including Austenitic (surgical grade) stainless steel along with show-quality chrome plating or Silicone-based black powder coating Systems feature Akrapovics in-house designed and tested, high-performance silencer insert design for incredible power and famous sound - not old-school baffling Systems include removable silencer inserts, heat shields and complete installation instructions Not for use with passenger footpegs