KTM Duke 390 2013-2014 IXIL L3X Slip on Dual Hyperlow Exhaust Stainless Steel Fit 2013 - 2014 - 2015 - 2016 KTM Duke 390 Silencer manufactured from AISI304 Stainless Steel polished to brushed matt finish. Produced in accordance with the strictest European standards ensure the highest quality finish and fitment. The L3X comes standard fitted with 2 removable Low-Volume inserts which allow the rider the option to easily alter the sound output. To view installation guide, copy and paste link below: misanomotoimports.com/images/products/Ixil_Exhausts/L3X/KTM/Duke_390+2013-2014/fitting_guide_l3x_ktm_duke_125_200.pdf