Founded in 2005, Cincinnati’s Turn In Concepts builds and supports performance cars, designing, manufacturing and installing upgrades for everything from street-driven Subarus to dedicated race cars. Its racing heritage includes winning Time Attack campaigns and more than 100 podium finishes, while the shop’s own products include made-to-order EJ257 short blocks and Subaru drivetrain components. The team also handles race preparation, tuning partnerships and custom fabrication for enthusiast projects.
Hutter PerformanceHutter Performance, opened in 2003 on an eight-acre site in Chardon, builds and tunes custom street and race vehicles, with fabrication and engine work shaped by the Hutter family’s racing history. The company grew from Ron Hutter’s racing-engine operation, whose engines powered 21 NASCAR Busch, Truck and Modified championships, and today combines dyno tuning with custom fabrication and track support. Its work has also expanded into fitting race-engine technology to replica vintage aircraft.CHARDON, OH
iBuildRacecars.comiBuildRacecars.com is an enthusiast-owned automotive aftermarket company that designs and sells engineered parts, particularly for Subaru vehicles. Its team says it brings more than 25 years of engineering design and fabrication experience, including automotive and industrial work, and offers product design, prototyping, and manufacturing support from concept through production.PITTSBURGH, PA
Hutter PerformanceThe Hutter name comes with a deep racing lineage: Ron Hutter began building engines in 1964, later winning eight national championships with Richie Evans, while the family’s engines powered Dale Earnhardt Jr. to back-to-back titles in 1998 and 1999. Hutter Performance, opened by the family in 2003, applies that competition experience to custom street and race vehicles for individual owners and teams from its Chardon facility. Its work has also extended to fitting race-engine technology to replica vintage aircraft.CHARDON, OH
IAG PerformanceFounded in 2004 as a seller of performance cars, IAG Performance has grown into a U.S. manufacturer of aftermarket parts and hand-built engines for Subaru enthusiasts. From its 115,000-square-foot Maryland facility, the company combines a dedicated engine clean room with CNC machining and has assembled more than 14,000 Subaru engines. Its products reach customers in more than 30 countries, supported by a team drawn from the Subaru and racing communities.HANOVER, PA