GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Stock S-197 Mustang Muffler Modifications.

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Old 2/24/24, 12:07 PM
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Done this today after reading your post.
posting some pictures of the process.
the sound turned out really good.
almost no sound at idle can’t tell anything has been done at all.
but when reving the engine you get that nice deep sound.
no noticeable drone while driving.
I actually chose to go that way so the car passes the annual check without problem as where i live any exhaust mod of any kind will make it fail.



We left the middle pipe untouched and welded close the whole opposite of the inlet.
Old 2/24/24, 12:36 PM
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Thanks For updating The Old Post! Lot's of Great Info Buried in Our 20 Year History. Hot Rodding Has Always Been About Using What You Got To Solve a Challenge and Get Desired Results!

Kc
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Old 2/26/24, 08:46 AM
  #63  
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Originally Posted by Yunas197
Done this today after reading your post.
posting some pictures of the process.
the sound turned out really good.
almost no sound at idle can’t tell anything has been done at all.
but when reving the engine you get that nice deep sound.
no noticeable drone while driving.
I actually chose to go that way so the car passes the annual check without problem as where i live any exhaust mod of any kind will make it fail.



We left the middle pipe untouched and welded close the whole opposite of the inlet.
Thank you for updating such an old thread and for posting the images of your process... They should indeed be very helpful for anyone who may also be interested in modifying their stock/OEM mufflers... Meanwhile, welcome aboard.
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Yunas197 (2/26/24)
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