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Old 05-18-2016, 07:21 PM   #1
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New mod. H pipe or gears

I am looking to do something new to my car. I currently have Click image for larger version

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ID:	20110619" RTR rims, borla stingers, steeda100mm cai and a bama tune. I also just did a Cervinis hood, chin spoiler and rear wing. So my wife asks me what else do I want right now. Well... Do I do lethal performance h pipe or gears. My car is a 2014 gt automatic. I love the sound of an h pipe but I also want some more pick up that some gears may help. Still a semi newbie here so just curious to know what you all think.
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Old 05-18-2016, 07:54 PM   #2
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What is your current gear ratio? Dont 11-14 GTs come with an H pipe? Or are you looking to go catless or something?


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Old 05-18-2016, 08:13 PM   #3
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I think we come stock with 3.15 gears. And I wanted o/r h pipe and the lethal performance one sounds best with my exhaust in my opinion based on videos I have watched.

---------- Post added at 09:13 PM ---------- Previous post was at 09:13 PM ----------

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What is your current gear ratio? Dont 11-14 GTs come with an H pipe? Or are you looking to go catless or something?


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Old 05-18-2016, 08:19 PM   #4
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You sure? Have you checked/looked up your window sticker? The car could have been ordered with 3.31s or 3.55s already from Ford.


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Old 05-18-2016, 08:36 PM   #5
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New mod. H pipe or gears

Wouldn't touch the gears; get the off road H. Or look into getting a converter.
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Old 05-18-2016, 08:51 PM   #6
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Don't touch your gears, it'll make you slower believe it or not. Do your exhaust and suspension and get a better tuner than you have. Lund ngauge for that.
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Old 05-18-2016, 09:16 PM   #7
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^ you can get a package deal from lethal with a Lund ngauge and the off road H
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Old 05-18-2016, 09:23 PM   #8
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I had a bad experience with swapping gears on my 3.7, will not be swapping them on the 5.0.

Bad install is what caused the problem. But the Autos do come with a 3.15 ratio. It's plenty of gear honestly. Do the H-pipe or start putting money into the suspension
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Old 05-18-2016, 10:01 PM   #9
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New mod. H pipe or gears

I have sct x4 tuner from bama. Would Lund, mpt or vmp be able to use that? H pipe it is!!!
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Old 05-18-2016, 10:18 PM   #10
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All these tuners should support SCT, many won't support NGuage, been loooking into.
Lund is locked so only there tunes can go on their Nguage. HP Tuners has one, but again, Brenspeed, Rousch a few others only support SCT.
SCT is supposed to have something similar to the Nguage called an GTX, but I can't find a release date or price point.
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Old 05-18-2016, 10:20 PM   #11
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Also +1 on the no gear mod you'll be in first and second gear a nanosecond.
Autos don't need them, the ratio choices are wonderful.
I was told by many people get the auto, its faster!
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Old 05-18-2016, 10:46 PM   #12
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If you get big 28" rear tires like a MT Street Comp 305/35/20 (28.41") then yeah sure swap gears up one to bring it back down. But 3.15 ratio on a 27" or shorter is best.


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Old 05-18-2016, 11:20 PM   #13
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Quote:
Originally Posted by buddyrich14 View Post
I am looking to do something new to my car. I currently have Attachment 20110619" RTR rims, borla stingers, steeda100mm cai and a bama tune. I also just did a Cervinis hood, chin spoiler and rear wing. So my wife asks me what else do I want right now. Well... Do I do lethal performance h pipe or gears. My car is a 2014 gt automatic. I love the sound of an h pipe but I also want some more pick up that some gears may help. Still a semi newbie here so just curious to know what you all think.

I have the SS O/R Hpipe from Lethal and the quality and fitment were great!

My .02 is that you do suspension before adding any power...LCAs with relocation...Springs...Shocks and Struts..Etc.
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Old 05-19-2016, 05:09 AM   #14
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You sure? Have you checked/looked up your window sticker? The car could have been ordered with 3.31s or 3.55s already from Ford.
3.31's and 3.55's are not an option with the autos. You can only get them with 3.15's.


Like everyone has said skip the gears since they won't help you. I would strongly consider a converter though. The off road H-Pipe is also an excellent choice provided you don't have emission testing.
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Old 05-19-2016, 06:19 AM   #15
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I am confused then. The 2014 Mustang brochure says nothing about 3.15s even being standard on these. 3.31s looks like the lowest ratio. Is this correct?
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Old 05-19-2016, 07:11 AM   #16
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You're reading that brochure wrong. We're talking about the automatic transmission here.
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Old 05-19-2016, 07:37 AM   #17
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Originally Posted by Grabber Blue5.0 View Post
You're reading that brochure wrong. We're talking about the automatic transmission here.
How am I reading it "wrong" if there is NO mention of 3.15s. That is like saying - Are you NOT able to read that invisible book?!

There is a mention of an optional Automatic transmission. But no mention of 3.15s in Ford's brochure.

EDIT: I found an article that does mention the 3.15s outside of that Ford brochure. I wonder why Ford wouldn't have specified it. I accidentally posted the wrong pic but it won't let me remove it so I am going to add it to a new post so others can also see the GT comes with 3.15s.
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Old 05-19-2016, 07:41 AM   #18
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Sorry not trying to be rough. I just wanted to see it in writing that showed what options were available with what. I did not know the Auto GT was so limited for the 2014.

I found this on Motortrend.
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Old 05-19-2016, 07:47 AM   #19
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Why is it limited?

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Old 05-19-2016, 07:49 AM   #20
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Why is it limited?

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I meant as far as available options from Ford.

I know the 2016 GTs with the Auto have 3.55s as an option. Same MT82.
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Old 05-19-2016, 08:09 AM   #21
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The 3.15's being the only option for the autos is for a reason and that doesn't mean it's limited.
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Old 05-19-2016, 08:11 AM   #22
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3.31's and 3.55's are not an option with the autos. You can only get them with 3.15's.





Like everyone has said skip the gears since they won't help you. I would strongly consider a converter though. The off road H-Pipe is also an excellent choice provided you don't have emission testing.

What does the converter do. I have tried to read about it but not too sure about it. Let me add that I do not race but would love to go to the track for some 1/4 times. I know I need a more aggressive tune also
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Old 05-19-2016, 08:15 AM   #23
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The 3.15's being the only option for the autos is for a reason and that doesn't mean it's limited.
Again, I meant the selections/options, not the actual car itself.

But it does make me wonder. Since the V6 Auto had 3.31s as an option. Besides the engine, what else would have kept the GT at 3.15s at the time? As they are now ok with putting different gear ratios in the newer GT Autos.
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Old 05-19-2016, 08:18 AM   #24
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Converter

What he is refering to is a converter with a higher stall speed.
This allows you to "launch" at a higher RPM than the stock converter.
Stock converter you can probably hold it to 1800-2000 rpm.
What i've seen recommended for 11-14 is 3200 - 3600, which means you can rev the engine to that speed with your foot on the break
If you are not interested in 1/4 mile times, its probably not a mod you want to consider.
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Old 05-19-2016, 08:21 AM   #25
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Grabber is right, all the caveats say manual coupe, etc.
There is no gear option for auto
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Old 05-19-2016, 08:28 AM   #26
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Quote:
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Grabber is right, all the caveats say manual coupe, etc.
There is no gear option for auto
I did see that also which why it was misleading that Ford would mention an Auto trans as an option - but that's it. No talk about the gearing or anything. So if I were a new buyer that didn't know much about Mustangs or anything, I would assume the lowest gearing for the Auto would be similar to the Manual that is mentioned - 3.31s.

Idk. I like for everything to be specific when I am shopping around and stuff so that tidbit would be helpful I suppose to the uneducated buyer. Especially coming from the car's manufacturer.
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Old 05-19-2016, 08:43 AM   #27
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Lethal h and a tune it is. Vmp and mpt or local shops for me. So I can use them or Lund for a tune. Bama has been great for a newbie like me but it isn't aggressive enough. I believe they told me they only use about 80% of the available motor. They tune it but it is minimal at best it seems. Only issue is I am leery about having to data log because I have a lot going on right now. Do you all find it necessary to data log? Or I can use brothers performance for a dyno tune. Any suggestions here?
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Old 05-19-2016, 08:48 AM   #28
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VMP would be a good choice for a tune and would not require you to data log it. But I'm not sure how much it would pick up over the Bama tune.


A converter will make the car launch like a rocket and will result in massive tire spin on street tires. It will feel like you added 50 horsepower.
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Old 05-19-2016, 08:53 AM   #29
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Any tune should be datalogged. "not having to datalog" isn't a plus.
A log will reveal if you have bad fuel or certain other issues, and sometimes if everything looks good you can get a little extra power.
The H pipe and Lund tune is a good choice. You'll LOVE how the Borlas sound with an H, I do... It is pretty damn loud though.
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Old 05-19-2016, 09:00 AM   #30
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Any tune should be datalogged. "not having to datalog" isn't a plus.
A log will reveal if you have bad fuel or certain other issues, and sometimes if everything looks good you can get a little extra power.
The H pipe and Lund tune is a good choice. You'll LOVE how the Borlas sound with an H, I do... It is pretty damn loud though.

Do u happen to have a sound clip. I have never data logged because the whole process seems intimidating. I have to use a lap top don't I. I originally thought I could just plug in the sct x4 and donut that way. Any tips on doing a data log. I think doing all the different pulls through me off to.
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Old 05-19-2016, 01:11 PM   #31
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Old 05-19-2016, 05:59 PM   #32
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go for the gears , you will get more noticable performance
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Old 05-19-2016, 06:08 PM   #33
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go for the gears , you will get more noticable performance
Excellent advice! Not!
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Old 05-19-2016, 06:17 PM   #34
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I went from 2:73 TO 3:55 AND IT MADE A HELL OF A DIFFERANCE , thats what I know for sure
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Old 05-19-2016, 06:34 PM   #35
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I will say i test drove a 2015 manual GT with 3.31s and my performance pack one with 3.73s. I will say it FEELS like it accelerates faster. But that might be because it chews through the RPMs quicker with 3.73s. I think the Auto benefits from it a bit more. With the manual, the driver takes on extra work by shifting more as the RPMs go up fast.

I am not sure what exact benefits the GT can gain from gear change. I know on the 3.7 it is definitely worth it to get the 3.73s.


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