HKS SUPER TURBO MUFFLER MAT GR SUPRA DB42 URBAN MATTE EDITION31029 AT011 HKS Super Turbo Muffler is now available in the sophisticated The matte finished Urban Matte tail retains the chilly and rugged texture of the metal while shining softly and elegantly. The matte finishing applied even to the inside of the tail, combined with the inner slit processing, gives it a sophisticated appearance. The detailing of the exhaust parts is proof of HKS' passion and commitment to its products, which have been developed