Muffler Dual Exhaust 2-1/4" 1965-1973

CJ's Part Number: EX3M
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1429833600 12953
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Product Description

2-1/4" Dual Exhaust Muffler for 1965-1973 Mustangs.

This standard replacement muffler is the original style found on 1971-1973 351C Mustangs with dual exhaust. This muffler will also fit all 1965-1973 Mustangs equipped with upgraded 2-1/4" dual exhaust.

Sold individually.

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Mustang Applications

This product will fit the following Ford Mustang years:

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Product Questions


What are the dimensions of this muffler, length, width & Height is fine. I know it needs 2-1/4 pipes. Are these mufflers designed to give close to stock sound? I do not want turbo or loud mufflers, just original stock sound.

Asked by: Bobbie
The inlet is 2 1/4" offset, outlet is 2 1/4" center. The body is 5" x 9 1/4", with a length of 12". The overall length is 18". This is considered an aftermarket replacement. The volume will be similar to stock, but it is not intended to be the original volume/tone.
Answered by: CJ Pony Parts
Date published: 2015-02-05
  • 2015-04-24T10:20CST
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