Top Secret Japan

Top Secret Japan Performance Parts

Top Secret Japan are one of the most iconic names in Japanese performance tuning. Founded by Smoky Nagata, known worldwide for his high-speed runs and fearless approach to pushing cars to their limits, Top Secret have spent decades developing serious performance parts for serious enthusiasts. From exhaust systems and aero kits to suspension and engine components, everything Top Secret make carries that same uncompromising philosophy.

FD Racing stocks Top Secret Japan parts for a range of performance vehicles. All prices include VAT, with free UK delivery on orders over £200.

19 products

Why Top Secret Japan?

Top Secret isn't a catalogue brand; they're a tuning house that developed parts by building and racing their own cars first. Smoky Nagata's GT-R builds, twin-turbo Supras, and record-setting machines were the proving ground for the parts that eventually made it into production. That heritage is built into every component.

The Top Secret Japan Range

  • Exhaust systems cat-back and full exhaust systems developed for maximum flow and the kind of sound that made Japanese tuning famous, built from high-grade stainless steel and titanium
  • Aero kits & body parts front bumpers, rear diffusers, side skirts, and GT wings developed in Top Secret's own wind tunnel and on track
  • Suspension components, coilovers and suspension parts developed for both road and circuit use on Japanese performance platforms
  • Engine & intake parts, intake systems, cooling upgrades, and engine components developed alongside Top Secret's own high-power builds
  • Carbon fibre parts, lightweight carbon aero and interior components carrying the Top Secret name and finish quality

A Tuning Legacy

Top Secret's reputation was built in Japan's underground tuning scene during the 1990s and 2000s a period that defined what Japanese performance tuning became globally. Parts developed during that era are still benchmarks. The current range carries that DNA forward for modern platforms.

Top Secret Japan at FD Racing

FD Racing is a UK-based performance parts specialist. All prices include VAT, and free UK delivery applies to orders over £200. Use the Make / Model filter above to find Top Secret Japan parts for your vehicle.