JST Results/Blog

RSS
#TimeAttackFoST Build Part 1 - Introduction

#TimeAttackFoST Build Part 1 - Introduction

As many of you well know by now, we have retired our first time attack Focus ST. This isn't because she performed poorly or against our expectations, but rather because we felt it was time to step the game up...

Read now
2014 Fiesta ST JSTUNED Stage 2 Custom Tune

2014 Fiesta ST JSTUNED Stage 2 Custom Tune

Thanks Corey for letting us custom tune your Fiesta ST!We came up with 208 whp and 275 wtq on our dyno! Modifications:COBB Acessport, JST Custom Stage 2 Tune on 93 OctaneMishimoto IntercoolerMishimoto oil catch can

Read now

Stage 2 Focus ST Street Tune Results

We threw one of our Stage 2 street tuned cars up on the dyno after Brian Tyson finished, here is what we came up with! 272whp/367wtq Mods:Green Filter, Steeda FMIC, Spark Plugs and 93 Octane Street Tune More Stage 2...

Read now
Stage 3 JSTUNED Focus ST

Stage 3 JSTUNED Focus ST

279whp/387wtq MBRP Turboback Turbosmart BOV Green Filter 1 Step Colder Plugs JST Performance Mishimoto Intercooler 93 Octane

Read now
2013 Focus ST GTX2971r

2013 Focus ST GTX2971r

We recently had the privilege of taking a customer's 2013 Focus ST from completely stock to beast mode with the installation of a handful of mods and some JST Performance Dyno time! Check out the results! Mod lists:-Cobb Accessport with...

Read now

2014 Focus ST w/ JSTUNED E30 Tune Comparison

We had the opportunity to replace a customer's custom E30 E-Tune with our own version of an E30 Tune using our in house dyno for comparison. The car only picked up a few peak WHP, but over 30 lbs of...

Read now
The JST Performance 2015 Focus ST

The JST Performance 2015 Focus ST

We originally purchased our 2015 Focus ST to be a top contender as a national level autocross prospect. It was our intention to build the car to fit in the SCCA stock autocross classing, however, since then the car has...

Read now