Proflow Design rebores throttle bodies to be higher flowing for performance. We work hard to develop the best flowing throttle body for your car, while maintaining its structural integrity. Proflow also provides specialty services to build or rebuild custom components for throttle bodies.

Powder Coating is also available for throttle bodies and other components from a selection of stock colors or a custom color if desired.

Proflow Design can help you to get more performance from your car. We have the expertise and experience in a wide variety of Road Racing, Drag Racing, and Rally Racing venues from Club racing to the ranks of Professional Competition including:

  • Grand Am
  • Speed World Challenge
  • World Rally Championship
  • US Touring Car Championship
  • Honda Challenge
  • SCCA
  • Pro Miata
  • Pro 3
  • BMW CCA Racing
Newest Applications
  • Toyota 4.0L 1GR-FE Tacoma/FJ Cruiser/4Runner/Tundra/XRunner
  • Mitsubishi Lancer EVO
  • Mitsubishi Eclipse 4g V6 and 4cyl
  • Nissan 300ZX Twin Turbo
  • Lotus Elise
  • Toyota Celica GTS, Solara and Avalon

Throttle Body

We are proud to supply Throttle Bodies to the Subaru North America Rally Team