Image The Red Bull KTM 450 SX-Fs feature a longer Akrapovic headpipe than is found on the US race bikes. Credit David Bulmer Related: Akrapovic MXGP Vital MX Pit Bits France MXGP of France Akrapovic MXGP Vital MX Pit Bits France MXGP of France Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 5 of 32Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter ML512 5/30/2017 5:38pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter