Manufactured from high quality PP materials, comes in standard matt black plastic finish. Complete with stainless steel exhaust tips and accessories. High quality plastic part designed to fit the S LINE TTS REAR BUMPERS. PLEASE NOTE: THE ORIGINAL REAR BUMPER WILL REQUIRE SLIGHT CUTTING AND TRIMMING IN ORDER FOR THE DIFFUSER TO FIT. WE PROVIDE INSTRUCTIONS ON HOW TO DO THIS. Installation by experienced bodykit installers. WILL ONLY FIT TTS SLINE REAR BUMPERS WITH SQUARE TOW COVER ON THE BACK. WILL NOT FIT STANDARD REAR BUMPERS WITH ROUND TOW COVER. If you have the bumper with round tow cover, you can change the bumper to the version with square tow cover and then the diffuser will fit.