brought an 07 twin-cam FXDWG gotta real nice set of V&H grasscutters anyway theres no exhaust gaskets been fitted so i thought no probs so ive bought some ! tried 2 fit them but there doesnt seem 2 be anyway that thats appenin so i thought they must be the wrong gaskets but no im assured their rite ! Am i missin something ? anyone got any advice ! any help would be most welcome