Akrapovic Mercedes-AMG C 63 S E Performance (W206, S206) - Slip-On Line (Titanium)Precision engineering and design have produced an exhaust that delivers a unique sound from its full high grade titanium construction. Special collectors inside both mufflers eliminate streaming noise, and inner cones act as acoustic reflectors and partially direct sound from the bumper mounted tailpipes forward toward the cabin. Sound is linearized through the rev range and engine load, providing a smooth tone at cruising speeds, and as the revs rise