Help us to organize the project library to make it as useful as possible. Please click the category from our list of 65+ Efficiency Mods that is the closest match for this project:

(Note: only real projects/tests/mods that have been completed, or had a significant amount of work done qualify for the library. Just noodling about something doesn't count!)

• Aerodynamic mods - deletions
• Aerodynamic mods - fabrication
• Drivetrain mods - engine mechanical
• Drivetrain mods - engine accessory
• Drivetrain mods - transmission/differential
• Warm up mods
• Electrical mods
• Wheel & tire mods
• Other mods
• Instrumentation
• Multiple mods
• Motorcycle mods

Not sure which category to use? Browse our 65+ Efficiency Mods to help you figure it out (link opens in new window).