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Old Jan 25, 2005 | 05:45 PM
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Pylda
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Stock muffler...

I have an 05' STX with the 4.6L V8 and am looking to change out the stock muffler to a Magnaflow. I need to know what muffler to order to keep the stock pipe size. I want a 24" SI/SO muffler.

Anyone that can help with the stock size of the pipes?
Anyone that can tell me what muffler to order?
 
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Old Jan 25, 2005 | 08:00 PM
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JohnC874
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Correct me if im wrong but the stock pipe size for your truck is 2.5in... now as long as you get a universal magnaflow you should be able to weld it on just fine... as for the muffler... magnaflows are all 1 chamber systems... with your truck it depends on what your looking for... if you want a louder sound go with a short body magnaflow... if not try to find somthing longer
 
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Old Jan 25, 2005 | 08:43 PM
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I dont know if you are wrong or not....thats my dillema. I was orginally told on this site about a month ago that the stock size is 2.25 but was told today that it is 2.5. Cant find it anywhere, I guess I can try to measure.
 
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Old Jan 25, 2005 | 10:23 PM
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hsfbfan
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Crawl under your truck with a cloth sewing tape measure. Measure the circumference of your pipe. Divide that by 3.14 and you will have the diameter of your pipe.
 
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Old Jan 25, 2005 | 11:35 PM
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thank you for the tip
 
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