What intake kit and pulleys should I go with? - '02 Denali

[Travieso]

what are the benefits of pulleys this is the first time i hear this ?

 

[blueflamed03]

what are the benefits of pulleys this is the first time i hear this ?

not much, sometimes can hamper alt output voltage at lower if improper size is put on.

 

[B0$$MAN]

what are the benefits of pulleys this is the first time i hear this ?

Basically the idea is that the aftermarket pulleys are lighter. The lighter they are the less power they require to turn which in turn results in a power gain. Also the size of the pulley determines this too.