Since 1994, Hybrid Development International (HDi) has been driving innovation in motorsport intercooler technology from Australia. From JDM and diesel applications to drag, drift, and circuit racing, HDi continues to push the boundaries of engine efficiency through innovative design and engineering.
Our commitment to innovation has helped shape industry standards. HDi introduced the now widely adopted Monster bar and plate design featuring a 600mm x 300mm x 76mm core - a design that has since become a benchmark in the industry. With over 10,000 intercoolers delivered to enthusiasts worldwide and growing recognition in Japan, USA, and the UK, HDi continues to earn trust through engineering excellence.
Our flagship Pro Series intercooler showcases our innovative approach with:
• Industry-first GT2 Cross fin tube and fin technology
• Award-winning HDi clamps
• Advanced single-piece aluminum side tank construction, moving beyond traditional two-piece or sand-cast methods
• Precision-engineered tank design optimizing pressure management and weight reduction
Every HDi product embodies our core values:
• Uncompromising Quality: Premium materials and precision engineering
• Practical Design: Proven performance for both street and track use
• Innovation-Driven: Continuously developing new solutions
• User-Friendly Engineering: Focus on straightforward installation and maintenance
• Competitive Value: Advanced technology at accessible pricing
• Dedicated Support: Backed by our technical expertise and warranty
We believe in growing through collaboration with our customers, whose feedback and experiences drive our development process. This partnership with the motorsport community, combined with our passion for engineering excellence, ensures that every HDi product delivers the performance and reliability our customers deserve.
When you choose HDi, you're partnering with a team dedicated to advancing intercooler technology through original research, patented innovations, and a genuine commitment to the motorsport community.