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Old 07-25-2012, 05:27 AM   #1
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First mods

Anyone care to give me their opinion. I'm thinking exhaust mods first, however everyone seems to say cai and tuner. What say ye?
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Old 07-25-2012, 05:57 AM   #2
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I always work from the rear and move forward. Strengthen and stabilize everything in the rearend to handle anything you throw in the front. Makes for very happy moments at the track without the embarrassment of dumping a diff or trans all over the track. It does however make the gains take longer to notice until you get to the engine. But everyone is different. I would recommend getting the lower control arm and bracket relocation kit to get rid of the dreaded wheel hop these cars suffer from.
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Old 07-25-2012, 06:03 AM   #3
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Thanks for the good advice. I want to be patient and do the right things
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Old 07-25-2012, 06:27 AM   #4
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I would recommend tuner and axlebacks first, working back to front is by no means a bad idea but really kinda pointless it you don't plan on doing many mods. Keep in mind tune will void warranty
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Old 07-25-2012, 06:54 AM   #5
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Originally Posted by GrabberBlue5.0
I would recommend tuner and axlebacks first, working back to front is by no means a bad idea but really kinda pointless it you don't plan on doing many mods. Keep in mind tune will void warranty
Will cat backs void warranty?
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Old 07-25-2012, 07:15 AM   #6
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Re: First mods

Quote:
Originally Posted by clowery64 View Post
Anyone care to give me their opinion. I'm thinking exhaust mods first, however everyone seems to say cai and tuner. What say ye?
Go ahead with Exhaust first, with that you will hear and feel a difference right away. Then do CAI, then maybe change the Gears in your Rear end. Then if you deside you need more, maybe a Tune. In the Exhaust part of it, you may condsider Heads and Midpipes (X or H). There are two types of Headers (LT=Long Tubes, Shorty), I have Long Tube Headers on mine, However be aware that If you do your Exhaust before you get Headers, you may have to change something later, I started with a Magnaflow exhaust first with X pipe, but later when I got BBK LT Headers, I had to change the X pipe to a X pipe that matched the LT Headers. Not that expensive, but the fact that I had to buy a different X pipe was kind of annoying.
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Old 07-25-2012, 08:19 AM   #7
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Quote:
Originally Posted by clowery64

Will cat backs void warranty?
Everything voids that POS warranty.

---------- Post added at 09:19 AM ---------- Previous post was at 09:16 AM ----------

I would go with exhaust and a tune first. The factory exhaust is very restrictive, especially the cats.
The do the intake, CAI and the BOSS IM. Get her tuned again and enjoy.
Good luck!
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Old 07-25-2012, 09:36 AM   #8
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Is your advice also do a cat delete?
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Old 07-25-2012, 09:46 AM   #9
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Quote:
Originally Posted by clowery64
Is your advice also do a cat delete?
I'm probably just going to do high flow cats on mine because I don't want to have to change them every time I get emissions done.
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Old 07-25-2012, 09:52 AM   #10
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Re: First mods

People do mods in different ways for example when I bought my stang it had a vortech sc with cooler and kenne bell boost pump and cai but it has the stock exhaust, I always thought the exhaust would be the first mod to do.
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Old 07-25-2012, 10:05 AM   #11
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Quote:
Originally Posted by clowery64
Is your advice also do a cat delete?
Yes. If your buying a catback system.
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Old 07-25-2012, 02:02 PM   #12
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Originally Posted by DWC_SmOziLLa

Yes. If your buying a catback system.
Do you just put your cats back on for emissions?
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Old 07-25-2012, 02:10 PM   #13
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Quote:
Originally Posted by mustangman5345

Do you just put your cats back on for emissions?
You can, but you will need a second tune to switch to. Me, i have 5 years until i have to worry about that. In DE you can tag a new vehicle for up to 5 years. That covers reg, insp, and emmisions. Unfortunatel i will probably move back to PA before that time is up, there you need everything once a year, but if you know the right people thar you can bribe with a case of beer, its no big deal. Lol
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Old 07-25-2012, 02:20 PM   #14
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Quote:
Originally Posted by DWC_SmOziLLa

Everything voids that POS warranty.

---------- Post added at 09:19 AM ---------- Previous post was at 09:16 AM ----------

I would go with exhaust and a tune first. The factory exhaust is very restrictive, especially the cats.
The do the intake, CAI and the BOSS IM. Get her tuned again and enjoy.
Good luck!
Be careful telling people their warranty will be voided, tuning the the motor might not void your warranty. Do your homework and talk to the service department of your dealer. Mine for example is fine with the motor being tuned, they just need to know before they do work in case the run a diagnostic and clear your tune. If you don't tell them and then ruin your car that's your fault. I have also consulted a family member who is a hire up in ford and he has never heard of any mod voiding a warranty unless the dealer can prove it was directly responsible for the problem. Like I said just make sure you do thorough research before you miss out on free repairs!
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Old 07-25-2012, 04:17 PM   #15
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Quote:
Originally Posted by gweze001

Be careful telling people their warranty will be voided, tuning the the motor might not void your warranty. Do your homework and talk to the service department of your dealer. Mine for example is fine with the motor being tuned, they just need to know before they do work in case the run a diagnostic and clear your tune. If you don't tell them and then ruin your car that's your fault. I have also consulted a family member who is a hire up in ford and he has never heard of any mod voiding a warranty unless the dealer can prove it was directly responsible for the problem. Like I said just make sure you do thorough research before you miss out on free repairs!
+1

Talk to your dealers service dept, they will work with you as long as they know what's up as soon as you do it.
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Old 07-25-2012, 04:21 PM   #16
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This has been absolutely beaten to death, it's easiest to tell people it will void their warranty than explain it like you did everytime. I would just say if you tune expect damaged items to not be covered under warranty and don't be surprised or upset if it is not covered
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Old 07-25-2012, 05:13 PM   #17
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Quote:
Originally Posted by Trencher
I always work from the rear and move forward. Strengthen and stabilize everything in the rearend to handle anything you throw in the front. Makes for very happy moments at the track without the embarrassment of dumping a diff or trans all over the track. It does however make the gains take longer to notice until you get to the engine. But everyone is different. I would recommend getting the lower control arm and bracket relocation kit to get rid of the dreaded wheel hop these cars suffer from.
Wide rear tires solved that for me
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Old 07-25-2012, 06:52 PM   #18
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Re: First mods

mine was a roush axle back. now im ordering intake off road h pipe and tuner
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Old 07-26-2012, 01:17 AM   #19
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Quote:
Originally Posted by winslow16
mine was a roush axle back. now im ordering intake off road h pipe and tuner
What made you go with the axle back and not the cat back? (I'm thinking about buying a roush cat back)
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Old 07-26-2012, 05:33 AM   #20
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Only ever seen the axle back whenever i look. Well as far as i remember anyway
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Old 07-26-2012, 06:24 AM   #21
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Quote:
Originally Posted by winslow16
Only ever seen the axle back whenever i look. Well as far as i remember anyway
Pretty sure you're right, don't think they make roush catback
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Old 07-26-2012, 09:54 AM   #22
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Re: First mods

It seems like a lot of the exhausts are just axle back. If you look at the stock piping, it's not too bad. Mandrel bent & a decent size to begin with. A lot of reason for cat-backs is to eliminate the restrictive crush bends that are typical & to increase pipe diameter. From what I understand the Mustang is pretty well set up from the factory. I know for me a full catback is kind of a waste of money since I have to retain the worst restriction--the cats (CA car). So minor flow improvement, and mainly sound is what I get.
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Old 07-26-2012, 09:59 AM   #23
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Originally Posted by claudermilk
It seems like a lot of the exhausts are just axle back. If you look at the stock piping, it's not too bad. Mandrel bent & a decent size to begin with. A lot of reason for cat-backs is to eliminate the restrictive crush bends that are typical & to increase pipe diameter. From what I understand the Mustang is pretty well set up from the factory. I know for me a full catback is kind of a waste of money since I have to retain the worst restriction--the cats (CA car). So minor flow improvement, and mainly sound is what I get.
Yup, like you said the restrictive bends are killer. The part that goes over the axles is a trainwreck, and the resonators neck down 1/2 or 1/4 inch in diameter. There are a few options to just replace these pipes, such as jpc and lethal.
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Old 07-26-2012, 10:13 AM   #24
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Re: First mods

Hmm...so over-axle pipes would be recommended?
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Old 07-26-2012, 10:23 AM   #25
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Originally Posted by claudermilk
Hmm...so over-axle pipes would be recommended?
I don't think it will make much difference until you remove your cats. They are far more restrictive than any other part of the exhaust system.
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Old 07-26-2012, 10:31 AM   #26
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Re: First mods

K, then not worth the bother for me.
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Old 07-26-2012, 10:57 AM   #27
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These say they're mandrel bent and these won't delete my cats. Won't these give me less restricted flow and a deeper sound than the axle backs? Unfortunately I have to keep my cats for emissions.
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Old 07-26-2012, 11:22 AM   #28
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Re: First mods

I sure wish I could afford an axle back exhaust for mine I would really like a deeper rumble, but with the stock exhaust I kinda have what we used to call a sleeper.
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Old 07-26-2012, 11:31 AM   #29
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Originally Posted by mustangman5345
These say they're mandrel bent and these won't delete my cats. Won't these give me less restricted flow and a deeper sound than the axle backs? Unfortunately I have to keep my cats for emissions.
Sure, but the cats are in front of them and are the most restrictive part of the system. Until they're gone it's unlikely you'll see any gains.

Some people post that the have "seen" 5-8 rwhp gains from cat/axlebacks, but this is well within variance between runs and therefore meaningless data.

All it will change is the sound.
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Old 07-26-2012, 12:01 PM   #30
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Your not going to feel 5-8hp in a 3500lb car anyways
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Old 07-26-2012, 12:05 PM   #31
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Re: First mods

the great thing about the 2011+ is that the cats can simply be bolted in and out. i just ordered my 3 piece off road h pipe and in 4 years when i have to get my car inspected again (depending on what i have done by then) i can simply throw the cats back on and change my tune and be done.
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Old 07-26-2012, 12:10 PM   #32
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Originally Posted by winslow16
the great thing about the 2011+ is that the cats can simply be bolted in and out. i just ordered my 3 piece off road h pipe and in 4 years when i have to get my car inspected again (depending on what i have done by then) i can simply throw the cats back on and change my tune and be done.
Yup... It's not as hard as some people make it out to be. Just need some gods penetrating lubricant, a bunch of extensions, and a set of helping hands.
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Old 07-26-2012, 03:26 PM   #33
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Originally Posted by Napoleon85

Yup... It's not as hard as some people make it out to be. Just need some gods penetrating lubricant, a bunch of extensions, and a set of helping hands.
But it'd still be worth getting the catback for a deeper sound right? And to make it easier later to add an x pipe or high flow cats? I wasn't really in it for hp gain (yet)
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Old 07-26-2012, 03:27 PM   #34
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Originally Posted by mustangman5345

But it'd still be worth getting the catback for a deeper sound right? And to make it easier later to add an x pipe or high flow cats? I wasn't really in it for hp gain (yet)
It certainly wouldn't hurt. Just be prepared to drop a chunk of change on a cat back for these cars. They all seem to be $800 plus.
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Old 07-26-2012, 03:31 PM   #35
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It certainly wouldn't hurt. Just be prepared to drop a chunk of change on a cat back for these cars. They all seem to be $800 plus.
It said 575 on the stage 3 website for the cat back. I posted a screen shot of it earlier in the thread.
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