Underdrive Pully set

[crazystang05]

I have a 98 GT 5speed and i have a set of bbk underdrive pullys in my garage.
Should i put them on, or are they going to mess the car up more, rather than give it more HP!

 

[Screwed2V]

Sure, put them on.

 

[CottonBurnerz]

If you don't have 10x 12" subs then it's fine

 

[stangman]

it's all good, go put em on