HKS specializes in aftermarket high performance auto parts engineering and manufacturing. Contact us today!

Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars with a c vision to tune and manufacture high performance engine components and turbo kits that surpasses OE Manufacturers.

"HKS COMPLETE ENGINE - POWERED BY HKS -" is manufactured with all technologies gained through Gr. A, Drag race, D1 GP and TSUKUBA Time Attack motorsport racing history of HKS more than 40 years. Making the best engine requires good engineers and facilities.

Advanced Legamax with vehicle specific stylish tip design. Legamax Premium mufflers offer the performance benefits of a sports muffler with the class and elegance of a premium muffler.

HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull-Type relief design ensures stable operation regardless of …

The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. Effective on stock to high performanceA vehicles w/ upgraded turbines. The performance exhaust sound meets the JASMA standard.

HKS Exhaust Manifolds were developed with know-how and data from long time development experience of turbo technologies. Diameter of pipes and design of bending are designed for each engine performance and displacement.

HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull-Type relief design ensures stable operation regardless of …

Discover premium interior products from HKS. Customize your vehicle with high-quality seats, steering wheels, and other interior accessories.

HKS rethink the fundamental concept of earth by high quality copper or gold coating on circle earth system. Option parts installation >> GO More cables can be added to any place with separately sold option part. * Installation methods depends on vehicle space. Separate Type(S) and Direct Type(D)