Amuse Performance of Japan  builds some of the highest quality and stylish exhaust systems available. With  their unique titanium blue tip mufflers, Amuse also builds aero kits and  accessories for popular makes and models. Built in Japan, their lightweight  exhaust systems are tested to give the most exotic sound to your Japanese or  European vehicle. The R1 Titan signature blue burnt titanium mufflers are  feature that only Amuse has. Their aero kits give the vehicles an true race look  for competing on the track.