Colvin Automotive on Hancock Dr has a Dynojet, usually around $50-$65 for 2 pulls, little cheaper if you can get a group of people together for a dyno day.
Autotek in South Austin has one as well as ProTech on N Lamar in N Austin. (rice shop)
I heard a rumor we (ALOC) are gonna have a dyno day coming up soon, and it will be at Pro Tech on N. Lamer, they just got it up and going late last year, one of the aloc guys is working the details out though.
I'm guessing your Edward Torres? Send me a good pic of your L and info like all the other L's we have listed on the ALOC webpage. if you havn't already, check out: www.austinlightning.com