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2005-2009 Mustang Information on The S197 {Gen1}

What mufflers are on the Shelby GT500????

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Old May 16, 2010 | 02:43 PM
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socal.grabber's Avatar
socal.grabber
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What mufflers are on the Shelby GT500????
I have a V6 with GT take off mufflers. Would The mufflers off the Shelby sound Better?
Who makes them?

http://cgi.ebay.com/ebaymotors/MUSTA...Q5fAccessories
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Old May 16, 2010 | 05:56 PM
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825LTRGT
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Originally Posted by socal.grabber
I have a V6 with GT take off mufflers. Would The mufflers off the Shelby sound Better?
Who makes them?

http://cgi.ebay.com/ebaymotors/MUSTA...Q5fAccessories
I believe the stock GT500 mufflers are the same as the Manual GT mufflers. The FR500s have a different design.
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Old May 16, 2010 | 07:25 PM
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GT500s are automatic GT mufflers. Keep the GT mufflers that you've got already.
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Old May 21, 2010 | 08:41 AM
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I have them, FRPP GTA's, deeper tone and slightly louder than stock. I got them from Blue Oval Parts.They sound good. I wish they were a little more aggressive.

http://www.blueovalindustries.com/pr...p?pid=99012446
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Old May 21, 2010 | 11:55 PM
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Shelby GT has the GTAs, but like NASTYSTANG stated the GT500 comes with automatic stock axlebacks.
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Old May 22, 2010 | 12:14 AM
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GT500KR's are FRPP M-5230-S. Sound great/louder on 4.6's with H-pipe!
Don't know about V6's...
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Old May 22, 2010 | 08:46 AM
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I removed mine a while back and the following part number(s) are stamped into the muflers: F1-7991-R and F1-7991-L.
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