UDP upgrade

Could somebody explain to me what the UDP upgrade is or how it works or a link please?

I've never heard of the UDP upgrade. :lmao:

7 years and I've never....

Hmmm any details about it?

Under drive pulley.

Must be a 2g N/T guy.

Eye!!!!!!


Arrrrrrg!

You may not talk like a pirate, OR make posts with no information in them. Better be some damn informational paragraphs if you put "arrrg" at the bottom.

an underdrive pulley reduces the draw of the power steering, alternator, ect from your engine freeing up a few horses