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Alright, So i've literally been on a E30 tune from JST now for about a year, maybe a bit less. But, I have encountered myself in many situations where I have had the opportunity of the JST power v the competition. Drag and Roll races against other STs with different tunes like Cobb and Stratified and many more. Keep in mind my 2017 ST2 is only on a E30 tune. NO BOLT ONS! From beating minor bolt on Stratified STs to FBO Cobb STs. I even took down a big turbo FiST tuned by Cobb at the drag strip. I got to give it up to JST and what they can do. I am more than happy to have a JST tune on my FoST and in the process of going FBO now. Can't wait! Cheers!

Do you guys have any similar stories or encounters?

Here's a pic of my 17 FoST ST2 View attachment IMG_2282.JPG .
 

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That's good but always remember a simple driver mod could have changed those outcomes.
 

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And they may be tuned very conservatively where I dont know this personally but your tune may be right at the knock threshold to make the most power right before you start ting diddley ding underneath the hood. That can make a big difference.
 
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