RSE Real Speed Engineering is a Japanese automotive tuning parts manufacturer established in 2014. Founder and CEO Akira Sasaki has been active in the automotive tuning and motorsports world for over 40 years, constantly pursuing innovative technologies. Headquartered in Zama City, Kanagawa Prefecture, and with a wholly owned subsidiary, TOMEIUSA, in California, USA, RSE enjoys strong support from tuning enthusiasts both domestically and internationally. RSE develops and provides products boasting world-class quality and performance, primarily focusing on internal engine parts. In addition to high-precision parts such as crankshafts, pistons, and camshafts, exhaust systems and full titanium mufflers are also developed according to RSE's own unique standards. The R&D center in Zama City is equipped with state-of-the-art chassis dynamometers and engine benches for thorough performance verification. Skilled engineers perform high-precision parts machining and 3D analysis, constantly striving to create optimal products. Moving forward, RSE will continue to pursue technological innovation, providing unique, high-performance parts to serious tuning car enthusiasts worldwide.
