As summer heat peaks, a robust cooling system is vital to maintaining engine performance during track laps or stop-and-go traffic. HPI’s "EVOLVE" radiator series is a crystallization of technology designed to push cooling limits. Key features include "Micro-Pitch Fin" technology for maximized heat dissipation and an "Internal Control Plate" that ensures uniform coolant flow, eliminating wasteful hot spots. With three series options—STD, LIGHT SH, and MULTI FLOW—HPI provides p

In this exclusive interview, HPI's mascot ACE sits down with President Ryusaku Hitomi to uncover the roots of HPI. From his early days welding exhaust headers in a garage to co-founding TRUST (GReddy) and competing at the 24 Hours of Le Mans, Hitomi’s journey is defined by a relentless passion for driving. Discover why he left the pinnacle of motorsport to launch HPI in 1998, driven by a mission to create high-performance, accessible parts for true driving enthusiasts.

In this special 28th-anniversary interview, HPI’s mascot ACE talks with President Ryusaku Hitomi to uncover HPI's true origins. Hitomi shares his early days as a mechanic, his passion for rotary engines, and the grit of building a privateer race team with a KE10 Corolla. This untold story reveals how his pure love for driving and technical ingenuity built the foundation for HPI’s high-performance legacy in the Japanese motorsport scene.

Discover the newly released HPI renewed turbo outlet pipe. Engineered for maximum exhaust flow and optimized turbine performance, our latest design combines precision craftsmanship with the high-quality standards that HPI is known for. Perfect for enthusiasts seeking to upgrade their vehicle’s performance.

Event Report: NAPAC Fuji 24 Hour Race The 24-hour battle at Fuji has concluded! We extend our gratitude to everyone who visited the HPI booth. It was a delight to showcase our latest competition gear amidst the spectacular atmosphere and night fireworks. Thank you for your ongoing support—we look forward to seeing you at our next event!

We had an incredible time representing HPI at the 11th Annual Retro Havoc Car Show 2026 in Malaysia! From connecting with the passionate local car community to seeing our limited-edition stickers in the hands of fans, it was an unforgettable experience. Click to read our full event report and check out more highlights from our booth.

Reflecting on our time at the 3rd Shizuoka Super Heaven in Numazu! It was a pleasure meeting everyone who visited the HPI booth. From high-performance tuned cars to a great turnout, this event was a fantastic opportunity to connect with the community. Thank you for your continued support!

Stay comfortable even in the extreme summer heat. Discover the HPI Cool Vest, the best personal cooling gear for outdoor work and motorsport activities.