Tomei Extreme Ti Full Titanium Muffler Type-R A90 / A91 MKV B58 Supra

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Tomei began operations in 1968 as a race car tuner in Japan. Over the last 40 years Japan has emerged as one of the leaders in automotive research, racing, and culture. Tomei products have been utilized in nearly every motor sport imaginable. Tomei's racing heritage means their research and design team have first hand knowledge of the extreme demands racing puts on an engine. Using only the highest quality materials means that Tomei's products can handle the intense strain and heat a purpose built engine will experience whether it be on the street or the track. Tomei's attention to detail is second to none. All of their products are thoroughly researched and engineered to achieve optimal efficiency. Because of even miniscule differences in measurements can cause catastrophic engine failure, all Tomei products fall within strict tolerances. Tomei machines all of their engine components to enhance airflow and ensure proper fitment and seal.


  • Material: Titanium
  • Main Pipe Diameter: 3.5in
  • Main Pipe Thickness: 1mm
  • Main Silencer Diameter: 5.98in
  • Main Silencer Thickness: 1mm
  • Exit Diameter: 4.53in
  • Exit Thickness: 1mm

The stock mainpipe is covered with unnecessary dents, resulting in poor exhaust flow. The exhaust pipe also differs in diameter, which restricts the exhaust flow.


This kit includes all the components necessary for installation including the bolts and nuts. Bolt Smooth Paste is also included to help prevent the bolts becoming seized under heat.