Yeah, strength pretty much.

You just really need the 1/2 inch drive WITH extension. Without the extension, you won't be able to turn it far enough. Simply turn it as if you were loosening a bolt. I did have to find a different 1/2 inch drive because the first one was kind of worn and kept slipping out.

It also helps to let out a battlecry-like roar while turning it. For some reason it gives you that extra strength needed.

 

wow i feel stupid, the way i read the instructions was that you had to loosed the bolt, and it would push back by itself. i didnt know you had to stick anything in that square hole lol. the way i did it worked too lol, just take the tensioner off lol.

 

thats an awesome write up =]

so i finally got the UDP installed thanks to you guys and it feels amazing with the revving and the pictures were great so thanks soo much

 

Glad you guys are still rocking this part I helped bring to the community!

 

^its an awesome part. for me it was hard to tell how much of a difference it made, but i trust that it did, LOL

 

its a sweeeeet part man!

 

Maybe the boost depends on other mods you have done to the car? I'm not sure but I definitely felt a big kick. No more lag anywhere in the RPMs. I had RRM intake, headers/down pipe, and hi flow cat before I put the UDP on.

Also, before the UDP if I was cruising on the freeway and I'd turn on the A/C, I'd feel the car kick back and drop in power a bit. After the UDP, I turn on the A/C and I feel no drop in power at all.

Great part, well worth the money.