what new mods actually give real performance?

[27RED]

Its a manual. Appreciate the feedback. Ordering a mid pipe, tune and a AEM or Steeda Drop in filter. This should make me a bit happier.

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[SSG 5.0]

Get a supercharger man. You’ll smile every time you take it out for a spin. I’ve done all bolt ons before, shit adds up and you’re still pretty slow. Save it!

 

[Less Weight]

How about a bit of weight loss? Not sure why everyone puts such a premium on big horsepower numbers and not less weight.

The 5.0 is plenty powerful. Lack of power isn't its issue. Being burdened with excessive weight is, especially over the front end. Unlike adding power, which only helps you in a straight line (and may even hinder you in the corners if you're adding a heavy supercharger on the nose), cutting weight will benefit straight line, cornering, and braking performance.

I'd recommend cheap weight loss measures like rear seat delete, miscellaneous cover deletes (engine cover, coil covers, battery cover, radiator cover) sound tube delete, windshield washer fluid reservoir and lines delete (only if your car is a non daily driver/not driven in winter car), hood heat/sound shield delete, active grille shutter delete, etc.

If you're willing to spend some money, you can lose even more weight through purchasing a carbon fiber hood, carbon fiber or aluminum drive shaft, lightweight forged wheels, lightweight brake kit, lightweight fixed driver and passenger seats, lightweight exhaust, etc.

 

[Biggus Dickus]

I vote for E85 as most do, but also think of putting up the bucks for a good set of forged wheels which can result in a significant decrease in rotational mass. That's my next mod - stock, cast wheels are heavy.

 

[WhiteyDog]

Get a supercharger man. You’ll smile every time you take it out for a spin. I’ve done all bolt ons before, shit adds up and you’re still pretty slow. Save it!

Can't agree more.

 

[1958cyclist]

I'm not sure what kind of roads are in and around where you typically drive, but mild suspension upgrades pay a huge dividend for the money invested. I have added Vorshlag Camber Plates, Steeda Progressive Rate Lowering Springs, ForgeStar F-14 Wheels - 19" x 11" with 305-30-19 Bridgestone RE 71 R tires at all four corners, (wheels are a proprietary offset both front and rear...order through Vorshlag so tires are flush with fender openings). This setup is not only great on the track, but windy country back roads also! A different kind of "G"!

 

[SiddVicious]

I think one of the best things you can do besides e85 tune, even with a PP1 it's worth it to get the Steeda stop the hop kit. You'll be able to easily keep all that power to the ground.

 

[Rolls]

e85 tune is the best bang for buck you can do without supercharging it.

 

[GreenS550]

Beefcake has 15% off on Whipples still I think. That means you can get the entire stage 1, gen 5 kit complete for a bit over $6K. 775 HP at the crank. 650-675 at the wheels. A super deal. I have had so many Mustangs and did tune, then headers, etc, etc. Nothing can beat a good supercharger. Whether you go Whipple, Ford, Edelbrock, Vortech, etc. You just can't get the drivability and power together with all those bolt ons. If you like loud, OK. But you still just can't beat FI.
I would do a tune ONLY. First. If you are not happy or get used to the power, go FI. All the other NA stuff which will cost a few thousand will still leave you short of FI power and you will likely end up there anyway.

Congratulations on your new ride regardless. Very nice car!

Don't waste your money on a driveshaft. The axle shafts on the stick cars have upgraded drivers side which broke on the earlier S550s. The autos still have the weak AS so that is easy to upgrade with just a stock manual drivers side shaft. The stock driveshaft is quiet and durable. Aftermarket is noisier and another grand or so.

 

[GreenS550]

I just saw that you have a manual. Sorry didn't notice that before. The auto is MUCH faster. I have both and the manual (Bullitt) needed the blower bad. The gearing is so bad on the '18 up that you are virtually never going to match an a10 car without serious power. They shift wonderfully and a blast to drive, but you put a whipple or some other FI PD blower and you will be in happy time!

 

[vanquishvzla]

 

[Armageddon Turbo]

Headers and tune are always our go to. We sell a ton of headers at the link below.

https://goturbo.net/shop-by-vehicle/ford-mustang-2015/headers/

 

[vanquishvzla]

That is the cheapest way to crack into the 10s...















...and crack the block

 

[tryhard760]

I don’t have any performance mods but almost done with all of my suspension mods. Car feels more planted and handles really well. Digital dash is one of my favorite mods. Eventually I’ll do headers and E85.

What suspension mods have you done to your s550

 

[Ecoboosted]

What suspension mods have you done to your s550

There in my signature

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