In Nyack, DeMan Motorsport builds, services, and supports Porsche street and race cars, from routine repairs to championship-tested competition machines. Owner and founder Rick DeMan brings more than 35 years of experience to a shop known for its in-house dyno tuning, paint booth, custom engine work, and trackside support. The company also developed its distinctive 4.5-liter Cayman GT4 engine package and builds Cayman GT4-R cars for IMSA and Porsche Club racing.