Pro cal
#11
JK Super Freak
Originally Posted by RedJK2
The ProCal is going to be right at $150 no matter where you buy it. I went with a vender who shipped the fastest and for free.
#12
JK Enthusiast
Join Date: Oct 2010
Location: Dallas, TX
Posts: 495
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Originally Posted by TJM12
is the procal mainly for autos? Other than adjust speedo, what can it do for manuals?
#20
Originally Posted by dmick33
Do these void the warranty at all? Do they help with the delayed throttle response?