Ford Mustang Forum - View Single Post - Underdriver pulleys
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post #1 of (permalink) Old 12-06-2005 Thread Starter
youngstangboy18's Avatar
Joined: Dec 2005
Posts: 6
Underdriver pulleys

I've been reading all what you guys have been on saying pn underdriver pulleys and you've got me interested. I only have a couple questons about it now. Does it make your car actually go faster/feel a difference? Does it dramatiacally give you better gas mileage? Does it at all change the sound of the engine like make it louder? Does it add any horsepower? Thanks in advance for all your help.

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