iBuildRacecars.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.
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
Turn In ConceptsFounded 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.FAIRFIELD, OH
Farks SupercarsFarks Supercars has spent decades helping racers turn their ideas into purpose-built cars. The shop focuses on race-car fabrication and performance work for drivers preparing cars for competition and track use.BROOKLYN, NY
CorteX RacingCorteX Racing designs and manufactures automotive aftermarket and motorsports products, especially suspension systems and components for Mustangs and other vintage Ford applications. Its capabilities include in-house engineering, structural testing, fabrication, installation, vehicle builds, and race support, serving street, drag-strip, road-course, and professional and club motorsports markets.LOVELAND, OH