First mods?

[Spykexx]

Along with tires...The ZL1 splash guards are an awesome cheap $50 addition to save your paint! Hell even with stock PP tires I was kicking rocks up my side.

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[TEXAS HEAT]

No single part is going to get you as much as a tune, period. @Juben had some very good recommendations and I tend to agree with his logical approach. I too think it is wise to address the reliability aspects first, then move on to eliminating the known weak points next. Always run the best fuel available to you. Nothing less than 91.

My recommended order of mods to install is this:

1. A good catch can. UPR DVCC with an easy drain valve and 100psi check valves comes to mind.

2. I would then install some constant tension clamps on your factory charge piping to help eliminate boost leaks.

3. I also recommend the GFB DV+ to replace the factory BPV internals, this also eliminates a boost leak point.

4. You can get by with the stock plugs with the stock tune, just make sure you verify that the gap on all 4 are the same. No more than .028. This will change once you decide to have the vehicle tuned.

5. Get a good replacement intercooler, this improves consistency and will make a tremendous difference in CAT's especially during the Summer months.

6. FRPP tune if you're concerned with warranty. You can also change the plugs at his point to a 1-step colder plug. I personally recommend the BRISK RR14YS projected tip gapped to .026. If you have no regard for warranty, then there are plenty of options out there, but I would recommend a custom tune versus a canned tune. My preference is the Cobb AP, but I've heard others prefer the NGuage. To me the Cobb interface is better, purely subjective though.

7. Cat-Back exhaust, don't expect much power here on the stock turbo, so go with one that sounds best and can support your future power goals.

 

[Warhead]

I always thought the car handled pretty well until I went with Steeda progressive sport springs and sway bars. The difference is night and day, super responsive. That and a good tune with axle back exhaust to cut down on the rasp and lower the note has been a nice improvement among other things.

And yes, the stock Goodyears aren't great and moving up to 255/4518 Michelin Pilot Sport AS3+ has been amazing.

 

[Spykexx]

I always thought the car handled pretty well until I went with Steeda progressive sport springs and sway bars. The difference is night and day, super responsive. That and a good tune with axle back exhaust to cut down on the rasp and lower the note has been a nice improvement among other things.

And yes, the stock Goodyears aren't great and moving up to 255/4518 Michelin Pilot Sport AS3+ has been amazing.

So you really like your progressives? I was always under the impression (From what I've read) Mustang benefits the most from linear springs. Although I have been looking at Steeda's progressives. Their drop is exactly what I want.

I will agree 100% on the tires. I went up to 305/30 Nitto NT555G2's and holy crap is the difference in grip night and day. I used to be able to tear through the stock Pirelli summers with no effort at all. Launches? Not even comparable between the two! Get those Nittos warm and they work fantastic!

 

[jbailer]

So you really like your progressives? I was always under the impression (From what I've read) Mustang benefits the most from linear springs. Although I have been looking at Steeda's progressives. Their drop is exactly what I want.

I will agree 100% on the tires. I went up to 305/30 Nitto NT555G2's and holy crap is the difference in grip night and day. I used to be able to tear through the stock Pirelli summers with no effort at all. Launches? Not even comparable between the two! Get those Nittos warm and they work fantastic!

I'm on the Steeda Progressives too and love them! The softer initial spring rate absorbs a lot of the little bumps on the street while they quickly progress to the stiffer rate to eliminate pitch, dive and roll in braking, launching and corners. Like [MENTION=16585]Warhead[/MENTION] said, it really made a difference in the ride. For me, it even made a difference in the ride quality as my EB PP was very bouncy stock, they reduced some of that bounce making the ride feel better too. Even my wife thanked me for that when at first, she begged me not to lower it.

I agree with you both on tires too. My stock summer only Pirellis wore out in 11k miles. I went to Conti DWS 06 and thought that made a difference but I just got a set of 275/40R19 Firestone Firehawk Indy 500 summer tires and WOW! what a difference in ride and traction! I've put far more money into suspension on this car than performance and would do it again in a second! With the FP Tune, Magnaflow catback and Steeda suspension upgrades, I love driving this car!

 

[Regs]

Intercooler. Regardless of track or not, a tune is going to demand more from the intercooler which the stock one won't accommodate which is also why the RS has a better one. Then suspension. Ford performance track suspension will help tremendously and are also a direct factory replacement. After that, you might want to check out upgrading the turbo way down the line and get it tuned locally. You might get around 350 or so on pump gas, but the curve will be flatter and the upper horsepower will climb all the way to redline.

Not sold on catch can or plugs unless pushing bthe car to its limits. It might just add more problems that were not there in the first place or at least more unneeded maintenance.

 

[Warhead]

So you really like your progressives?

I sure do, although I have not compared to the linear springs. I'm a spirited daily driver so I enjoy their comfort under normal conditions but am blown away by what they do when you push them. And yes I really love their drop, especially the extra in the front that balances those gaps out perfectly with a slight rake.

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