GT Performance Mods 2005+ Mustang GT Performance and Technical Information

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Old 2/13/12, 06:57 PM
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Headers

Which ones are you running? Where did you get them from? Did you lose any ground clearence? coated, stainless or other? How are they holding up? I am looking for long tube along with some high flow cats.
I'm looking at these http://www.ebay.com/itm/230671615356...84.m1438.l2649 but don't want the mufflers or the Kooks http://www.ebay.com/itm/Kooks-Header...item2319c11d32
I'm sure I can find a little bit better pricing elsewhere or maybe a different brand all together. So please fill me in
Thanks Folks
Old 2/14/12, 04:21 AM
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Glenn, I run American Racing Header Stainless Steel LT’s with their catted X-pipes and a Magnaflow 3” OD exhaust with Magnapacks. The LT’s where purchased through UPR Products. My car is lowered with Steeda Sport Springs and I have no clearance issues, however, I do take care when driving on rough roads.
Old 2/14/12, 08:46 AM
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I'm interested in this also. Good post
Old 2/14/12, 04:47 PM
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Scott are they the 304 stainless? Is there any other kind of stainless? I have the steeda sports also and the roads I drive on arn't to bad where I have to worry to much. Did you do the install yourself?
Old 2/14/12, 09:12 PM
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Originally Posted by Glenn
Scott are they the 304 stainless? Is there any other kind of stainless? I have the steeda sports also and the roads I drive on arn't to bad where I have to worry to much. Did you do the install yourself?
Glenn, yes they are 304 stainless. I had them installed. Would try to do it on my own if I had to do it again.
Old 2/14/12, 09:20 PM
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Originally Posted by Scott2
Glenn, I run American Racing Header Stainless Steel LT’s with their catted X-pipes and a Magnaflow 3” OD exhaust with Magnapacks. The LT’s where purchased through UPR Products. My car is lowered with Steeda Sport Springs and I have no clearance issues, however, I do take care when driving on rough roads.
How loud do they sound? What size are they?
Old 2/15/12, 04:48 AM
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Originally Posted by LMNO
How loud do they sound? What size are they?
Not sure how to answer how loud they are as what is loud to one person is not to another. For example, I think they are fine and my wife thinks they are clearly too loud. Keep in mind she also thinks my 1970 BOSS 302 is too bumpy, smells like "gas" and is too loud also!

My exhaust system consists of ARH part number MST0634WC - 1 3/4" primaries with catted X-pipe (supercharged car) for a NA car I would definitely go with 1 5/8" Primaries, 2 1/2" Merge Collectors, 2 1/2 X-Pipe (With Cats) part number MST658WC. My cat back consists of Mangaflow 3" exhaust with Magnapack mufflers, part number 16674. Magnaflow has a similar 2 1/2" system, part number 15883.
Old 2/15/12, 02:41 PM
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someone pointed these out to me. http://www.ebay.com/itm/OBX-EXHAUST-...item230f8b5132
of course I will need a catted system for emissions around here. I also ran across a few tests
http://www.bbkperformance.com/produc...cle-PDF-20.PDF

http://products.jbaheaders.com/asset...50must1005.pdf
Old 2/15/12, 03:04 PM
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another headers thread I just ran across.
https://themustangsource.com/f669/ob...-trans-462239/
Old 2/16/12, 12:15 PM
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Glenn I would strongly look at JBA, Kooks or the like. They have proven qaulity, hp numbers and collector design. Take a look at some info I posted in this thread in fox section...
https://themustangsource.com/f634/lo...hortys-504616/

be careful on low qaulity headers, they are not all created equal.
Old 2/17/12, 04:16 PM
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Thanks I have visited that thread a few time good info there for sure
Old 2/18/12, 07:14 AM
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so I take it as far as durability goes from worst to best would it be
Chrome
ceramic
stainless
??
what are the pro's and cons of each?
Old 2/19/12, 08:37 AM
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Originally Posted by Glenn
so I take it as far as durability goes from worst to best would it be
Chrome
ceramic
stainless
??
what are the pro's and cons of each?
I started out with a CAI, tune, FRPP ceramic coated shorties, FRPP stinger's.

The Ford Racing shorties looked great, sounded great but made 0 H.P. on a dyno.

The stingers sounded great, but had a drone between 1800-2000 r.p.m.
I switched to FRPP "KR" mufflers, they sounded great, not as deep as the stingers but still very nice. No drone.

A year or so later I had FRPP Hot Rod Cams, throttle body, intake, installed and at the same time went to ceramic coated Kooks LT's with catted h-pipe.
I was amazed at the change in sound with the LT's and KR's. The KR's sounded great at idle, very aggressive but IMO too loud at cruise.

I tried a set of 2008 Bullitt mufflers that I had. Again I was amazed that with the Bullitt mufflers my car sounded like a stock GT with cams. IMO it was now too quiet.

I ended up with 3 chamber flowmasters, and resonators, deep sound, no drone at any r.p.m.

I think that Kooks LT's are a mid length header, they are like a work of art, IMO very well constructed. My car has 08 Bullitt springs so clearance is not an issue. When I look beneath my car I don't see that there would be any clearance issue even with a lowered car.

I have seen BBK LT's on a number of Mustangs in my area, they seem to be well made, I have not heard any of the owners complain about them, and they seem to be reasonably priced.

I think it depends on what you want to do with your car. If you just want to clean up the engine bay with good sound, maybe some kind of shorty header may be the way to go. Or just getting a set of ceramic coated stockers. A set of LT's gets up there in price, when you consider the headers and mid pipe, messing with mufflers etc.
Old 2/19/12, 09:10 AM
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yea it looks like it will be the bbk long tube and mid catted x pipe with stock mufflers for now..... unless some kind of sale comes along or some other brand. I won't even look at short tube headers. Thank-you for your input.
Old 2/19/12, 09:17 AM
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Mine are 304 stainless....Pypes (Kooks knock offs)

Picked mine up yesterday from getting them Ceramic Coated inside & out.
Had him do the 4 piece X pipe as well....





Now I have to get them installed....
Old 2/19/12, 10:04 AM
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how much did it cost you to get them coated? That will make a less expensive set of headers last a long time from what I hear.
Old 2/19/12, 11:38 AM
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Glenn go for stainless header. I have used jet hot to coat my msds headers and y pipe for my contour they where great to deal with but this was back in '01. http://www.jet-hot.com/coatings/jet-hot-extreme-1300/

Keep in mind that a good set of bare bbk 304 stainless or the like or even a set of mild steel and add in the coating you are not far way from a set of already ceramic coated JBA or Kooks. So do some home work.
Old 2/19/12, 10:44 PM
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I don't have headers on my mustang but I have them on my 04 GTO and I love my Kooks headers. Have had them for 4 years and not one single problem.
Old 3/10/12, 06:41 AM
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I went with the BBK stainless from a member here that decided not to use them. Great deal and thank you Jmeo. I also went with the BBK shortie catted mid pipe from the BBK web site using a cupon code from Mptant913 Thank-you you very much that saved me 60 bucks.
Total cost so far is around 860 bucks delivered to the door. Hopefull I will have time this weekend to get the install done.
Old 3/10/12, 10:37 AM
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Originally Posted by Glenn
I went with the BBK stainless from a member here that decided not to use them. Great deal and thank you Jmeo. I also went with the BBK shortie catted mid pipe from the BBK web site using a cupon code from Mptant913 Thank-you you very much that saved me 60 bucks.
Total cost so far is around 860 bucks delivered to the door. Hopefull I will have time this weekend to get the install done.
No problem enjoy ... let mr know if the hi flow catts get rid of the code from the o2 sensor


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