Is Cutting Your Bumper as Good as a Diffuser??

Today we look at a grassroots motorsport problem, do you cut or remove your bumper, or do you buy or make a diffuser?

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• #autos_vehicles
• #diffuser
• #bumper
• #grassroots_motorsport
• #motorsport
• #time_attack
• #hillclimb
• #downforce
• #car_modification
• #car
• #racecar