Constructed With A Lightweight Titanium Muffler Outer Sleeve, Stainless-Steel Link Pipe, And Pre-Muffler, And Finished With A Handmade Carbon-Fibre Endcap, The Exhaust Offers An Enormous 21.6% Weight Savings Over The Standard Stock Version. Through Innovative Design It Fully Integrates Into The Lines Of The Bike With A Small And Compact Build For A Powerful Visual Effect. Its Full And Vivid Sound Is A Deep, Sporty Rumble, Making The Twin-Cylinder Powerplant Pulse With A Harmonious Rhythm, All Within The Confines Of A Euro 5 Engine. A Perfect Throttle Response Offers The Feel Of Performance. Fully EC/ECE Type Approved, It Is A Simple Plug-And-Play Installation With No Remapping Needed. Fully Compatible With BMW Side Cases And The Central Stand, The Entire Akrapovic System Can Be Further Upgraded By Adding An Optional Handmade Carbon-Fibre Heatshield.