Haag Performance is a premier Mazda-focused race shop based in Lodi, California, renowned for its expertise in building high-performance Mazda engines and drivetrains, particularly for the Spec MX-5 racing series. Founded by Mike Haag, a third-generation Mazda engine builder with over 35 years of experience, the company has established a reputation for delivering championship-winning engines across various racing categories, including GT2, GT3, ITE, ITA, ITS, ITX, Pro 7, E Production, and Spec Miata