2014 Mustang v6 advice on upgrades

On my 2012 V6 I replaced the 2.74 stock diffy with a 3.31. That helped pedal response somewhat. I also flashed the PCM to the Bama 87 octane street tune (I didn't like the way the performance tune made the car shift). That helped somewhat. I also put in the Airaid CAI which I kept for a month then took off. I couldn't tolerate the groan and noticed NO performance enhancement. That was all I did. I'm leaving my GT bone stock. That's way more than what this gramps needs!>

If you don't plan to track the car, you'll get a lot more out of "experience mods" than real performance mods. Things like CAI or exhaust that change the sound of the car, cosmetic mods, and interior mods (shift knob, gauge faces, seats, etc.) will probably be what you enjoy most. There are lots of things you can do to these cars to make them faster too, but if you aren't tracking it, it's probably not worth it.

If I was you, I would buy the lethal performance off road H pipe and a handheld tuner like the SCT X4. The sound of the car will change drastically and it actually will be a bit faster too.

Gator3-7 said:

If you don't plan to track the car, you'll get a lot more out of "experience mods" than real performance mods. Things like CAI or exhaust that change the sound of the car, cosmetic mods, and interior mods (shift knob, gauge faces, seats, etc.) will probably be what you enjoy most. There are lots of things you can do to these cars to make them faster too, but if you aren't tracking it, it's probably not worth it.

If I was you, I would buy the lethal performance off road H pipe and a handheld tuner like the SCT X4. The sound of the car will change drastically and it actually will be a bit faster too.

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I definitely see where you're going there. Would the off road H pipe require any other changes to the exhaust?

Also, are you saying, even if i put a good amount of performance modifications on the car, I would not really notice them much outside of driving on a track? I do tend to drive fast even on the streets haha. So I am curious if it just wouldn't be worth it, like you said, or I just wouldn't really notice the changes driving on regular streets?

You are going to find the car is plenty fast enough. It comes with 305 H.P. stock, more the a GT of just 10 years ago. All the power in the world will do you no good unless you can transfer it to the ground. The P.P. comes with a lot of nice suspension upgrades, so not much to do unless you are looking for that last little bit. Maybe some nice upgraded shocks/struts from Koni, Blistine, or Steeda if your car has some mileage on it. Drive it for a few months and get use to it. See what you would like it to do better, then look at some upgrades.

Nope, the H pipe will bolt right up to your stock manifolds and mid pipe, and use stock O2 sensors. The only thing you will need is a tune (I would strongly suggest getting your tuner and tune from MPT performance).

Here are a few links for ya:
Lethal Performance 3.7L V6 2.5" Offroad H-Pipe
SCT X4 7015 Ford Mustang 3.7L Tuner w/3 MPT Custom Tunes

Not exactly. I've done quite a lot to my car, and it feels a lot faster than the day I bought it (because it is). Everything combined makes a big difference you can feel, but it takes a lot of time and money to get it there. Taken individually, you can't actually *feel* the difference with most of the mods. The only reason I knew the mods were working was because each time I went to the track, the numbers got just a little bit smaller. Chasing numbers is a very expensive game though. If I wasn't going to the track every other Friday, there's no way I would have dropped this much money on it this quickly. If you aren't going to the track, things like long tube headers just aren't worth it. There are other exhaust options that sound better for less money and you won't feel much difference in power between them and something like the Lethal h pipe.

Things that you can definitely feel that also increase performance:
-Gears (3.73 is the most common upgrade, though you will lose a few highway MPG)
-Tune (If auto, you probably won't feel it with a stick, but you'll go faster)
-Shifter upgrades (If manual, these don't make a big difference in numbers but they make you more consistent)
-Exhaust (other than axle backs, those just make noise)
-LCA relocation brackets (noticeably less squat, and more grip)
-Wheels and tires
-Springs, shocks/struts
-Sway bars

There are probably others but I either can't think of them or they're very expensive (boost!)

Hope this helps!

I have a 2012 V6 perf pack. It is my daily driver. I decided against anything that would void the warranty, at least until after it expires. I think a tune runs the risk of doing that. I've also read the tunes have the biggest affect on autos - if you have a stick, there may be less reason to pursue.

As others have said, your car has some nice suspension upgrades - approaching those of a GT. You also have 331 gears already.

I decided on wider wheels and different tires, and am very happy with the result. I went with RTR 9.5s and a higher sidewall, all season performance tire. The car corners much better, the tires took some of the harshness and wheel hop away, and the wider wheel and aggressive offset make it look better. The higher tire filled up the wheel well more, so I don't feel the need to lower the car either. To me it was a very simple upgrade that changed how the car drives and rides significantly.


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My car is stick and a good tune reduced my 1/4 mile time by about .2 seconds over the canned tune I had. Had I gone from the stock tune to a good tune I probably would have seen an even greater difference. An auto would have seen a bigger difference to I'm sure, but it's still a very worthwhile mod for stick cars if power is what you're after.

Hi, I also have a 2014 w/ premium. For me, the most important first mod was to get a tuner with free tunes for life. Just about ANYTHING you upgrade, including the headers and CAI will benefit from tuning. After the tuner I opted for a Steeda CAI which required a tune, so I knew I made the right choice getting a tuner first. After that, I noticed my 0-60 times and 1/4 mile times drop with each additional mod after BAMA sent me each new tune for every new mod. I'm now 90% there from induction to exhaust. LT headers are a nice mod, but you will not see the full benefit until you tune the vehicle accordingly. Best of luck!