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You will get the same performance without the intercooler- once. The intercooler is insurance and while it doesn't directly affect performance per se, it makes all your gains more consistent, provides lower intake temps over the long term, and positively affects your engine longevity at higher...

Also, both of those would be needed in any case if you wanted to go further with performance (engine) mods, so no money wasted.

Those cars used a hot-wire mass airflow sensor (MAF), so measurement was before the turbos. Turbo blow-off valves (BOVs) upset the air fuel ratio (A/FR) since the air was already measured prior to entering the engine. Exhausting it changes the A/FR, and leads to rich mixtures between shifts...

If you want bang-for-the-buck, my advice is to forget exhausts and intakes. Get the CVFab intercooler (only because it's cheaper the the Whipple), and a ZFG tune. All in about $1800. As long as you're willing to run 93 (or for somewhat less HP, 91 octane), you will see around 100 HP increase...

When I purchased my ST in early 2020, the track package included not just the "dealer installed" brake pads, but also came with Michelin Latitude Sport 3 tires versus the Pirelli Scorpion Zeros.

You must never let the wife or kids drive. lol.

You mean 99.9% I read the owner's manual at one time (3 years ago) and somehow missed (more likely forgot) that part!

Knowing what I now know, I'd encourage you to do something to bring the charge up to spec. My driving is similar to yours, and although everything was fine for 2 1/2 years, as you can read from my posts, once that battery actually kicks it, bad things can happen. Another thing I neglected to...

Agree with @GearHead_1 and @UNBROKEN. Your worst problem is some idiot stealing your x-pipe thinking it's a cat!

lol. You have 6 posts (at this moment). Three of them were to open new threads 40 minutes apart on the exact same subject- you seem to be an impatient sort, so that's the first thing to learn. Not everyone is going to answer every question you post immediately. The second thing to learn is...

Ok, we get it. Three different threads on the same subject- two with the same name. But I get it, you don't want to cut anything or damage anything on your exhaust and you're willing to part with $100 to do it. So, no one will tell you the "top secret" sound enhancing secret of the ST? I...

Degrees in both Mech Engineering and Computer Science. Came from a "hot-rodding" family and worked my way through college by restoring (read fixing-up) old cars. Started out in engineering and started writing code for mechanical simulations. Became more interested in the computer side and was...

I've never seen any posts of anyone reporting the exhaust as failing. Certainly aware of downpipe/cat weld problems, but not the rest of the stock exhaust.

So what are your goals? Do you think replacing the existing exhaust, even if you find a "quiet" one that you'll gain performance? What is it about the existing exhaust that causes you to conclude "it's worthless scrap"?

Not forscan. That's just a conversion of 30.7 stock diameter to mm (hnt: divide by .03937). If you need circumference, multiply 780 by pi or 2450.

780 mm (diameter)

If you want more advice than just the current bolt-ons, you need to give us a budget, and performance goals!

Thanks for that description,From the number of codes it's throwing, a bad wheel speed sensor is probable. A number of members have had similar issues with wheel speed sensors, best of luck, but according to what you've said, it has nothing to do with your wheel/tire combos. That's why I...

Or, you could spend an incredible single second of your time and press the 'off' button. Look, I know it's an incredible PITA, and an excruciating output of energy, but EVERYONE who gets into the car, presses the brake, pushes the start button, fastens the seatbelt, and puts the car in reverse...

That's what I'm trying to say. Here is what I would do. Do you actually have the exact same wheels/tires on all corners? You didn't try to run some type of "staggered setup"? Not insulting you, just want to know, cuz that won't work. Is tire pressure the same on all wheels? Do you have a...