Underdrive pulleys for street racing

[SMoKEDya95Stang]

you will def. Notice a boost in your acceleration and torque. Like i said it gives you 5-10 horses. some other time down the line you can buy a asp water pump pulley (you can get them for like 20 bucks shipping usually..) and get a better boost, but only by 2 horses.. But its better than nothing. Now its gonna take alot of parts and money to get ur stang really fast but if ur 3.8 is stock then u will notice the power that a underdrive pulley gives u