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Discussion Starter · #1 ·
I know that our stock upper pulley is 2.93
When it comes to buying aftermarket upper pullies what are the sizes vs. boost levels?????
SFPH has sizes like 2.80 / 2.93 / 3.10 / etc...............what are the boost increases???? Why would you buy a 2.93 upper pulley when our L's already have a 2.93????????? I am looking on doing a non slip DUB upper pulley but dont know the different size differences??
 

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You prob got my PM by now Bro,
But I happen to like the choice of being able to switch back and forth from 6lbs to 4lbs,
instantly, (in less that 2minutes)

I run SFPH's 4lb Lower, plus their STOCK SIZE 2.93, and their 2.80 (2lbr) Upper,
this gives me much tunability, and allows me to calm it down for Winter use in extreme
cold, or take boost away at the track (if I want to throw more juice at it), plus more choices on the street or track based on available octane, conditions, etc....

Awesome Product, Awesome Company, Awesome Results......
Hope that helps
 
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