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ST/RS Basic Modification Path and Power Estimates

The Time Attack FoST Goes to the Dragstrip!
So how fast is the Time Attack FoST really? We have been asked this at least 500 times over the course of the past few years, so we finally decided to try her out on the dragstip just to see!...
JST Performance Time Attack Civic Type R 2019 Mid Year Improvements/Power Gain Update

2018 Honda Civic Type R Dyno Results, Custom Dyno Tune
It's been about 6 months since we purchased our Civic Type R for R&D purposes. Since then she has seen 11 track days and competed at the Gridlife South Festival, securing 1st place in Street FWD class. Although we have...

2017 Honda Civic Si Initial Review, Dyno Results, and 1/4 Mile Times
Say hello to the newest member of the JST family! I (Corrin) have been wanting to get my hands on one of these since Honda announced that they would be producing the 10th Gen Civics with the first factory Honda...

Another JSTUNED Stock Turbo Focus ST over 300whp!
It's not often you see a Focus ST obtain more than 300 whp on the stock turbo, but it has been known to happen a few times here at JST Performance! After working on a car most of the day...

Global Time Attack at Road Atlanta 2017 Recap with the #TimeAttackFoST
Nothing quite comes close to the excitement of prepping a racecar for your biggest event of the year! For us, the Global Time Attack/Formula Drift event at Road Atlanta is probably our favorite big event that we are scheduled to...

Stock to gtx2867r .86 2016 Focus ST Results
We created a beast! Jason brought his 100% stock Focus ST to us earlier this week for a full big turbo install and #jstuned custom dyno tune by the one and only Brian Tyson! She turned out an impressive 425whp/420wtq...