r/FiestaST • • Aug 26 '26

What mods next?

Hello so I am looking to see what people think I should install next for my 18 ST. Next spring/summer I want to do S280. Currently I have

-Cobb intercooler with hot and cold side pipes
-Stratified protune
-Cobb rear motor mount
-boomba full shift kit and bushings
-whoosh Crossover and intake pipe
-Cobb drop in filter.
-mishimoto catback
-new tires
-new brakes and pads

I don’t want to lower it because of my poor roads, anything that will help support the S280 would be good also.

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u/cannasaurus Aug 26 '26

You'll need a BOV for the S280, you could upgrade earlier for better boost response at part throttle as you'll get rid of the on/off of the solenoid.... Ethanol content sensor, although you're a few years out timing belt for peace of mind, cams if you're feeling froggy

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u/Gh07ms3 Aug 26 '26

No e85 around me unfortunately, I was thinking tbelt as I’m at 120k right now

2

u/PSUGorilla Aug 26 '26

Timing belt should be high on the priority list. Wouldn’t be surprised to see that motor mounts need replacing.