Roush Exhaust Differential - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 11-23-2015 Thread Starter
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Roush Exhaust Differential

Hoping any of you folks can help me out with something I have recently noticed about my 2014 Mustang.


Little background - I purchased the Mustang about two weeks ago. It has 7200 miles on it. It is a signed and numbered Roush production (Stage 3) Mustang, built in April 2014. It has all the goodies that are included when they built it including the Roush exhaust. The issue I am having is - I am hearing a different tone from one side compared to the other. The tone of the exhaust out of my passenger side exhaust is noticeably louder and less "smoother" than the exhaust sound from the driver side.


What would cause that? Any help would be supremely appreciated!


Tim


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post #2 of 6 (permalink) Old 11-23-2015
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No idea other than to jack it up and check all the connections. Never had a problem with any of mine. How you like the car so far? There is a facebook page for Roush owners and an owners group,
Roush Road Crew that has meets and events.
Side note: You list the car as 575 hp which is a Phase I, not 2, their at 625hp.
Dave


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post #3 of 6 (permalink) Old 11-23-2015
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Take a look under the butt-end of the car and see if the mufflers look the same on both sides . . . other than that, I have no clue.

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post #4 of 6 (permalink) Old 11-23-2015 Thread Starter
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Quote:
Originally Posted by Dave View Post
No idea other than to jack it up and check all the connections. Never had a problem with any of mine. How you like the car so far? There is a facebook page for Roush owners and an owners group,
Roush Road Crew that has meets and events.
Side note: You list the car as 575 hp which is a Phase I, not 2, their at 625hp.
Dave

Thanks! Love the car! Yeah...I need to change the HP...just installed Phase 2.

Quote:
Originally Posted by JBert View Post
Take a look under the butt-end of the car and see if the mufflers look the same on both sides . . . other than that, I have no clue.

Will do!

1965 Shelby A/C Cobra (FFR MK3 Roadster)
2014 Roush Stage 3/Phase 2
2016 Roush Stage 3/Phase 1
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post #5 of 6 (permalink) Old 11-24-2015
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I'm not sure of how the Roush exhaust is configured, but if you don't see a physical difference, you might want to check for a restriction such as a failing catalytic converter or a damaged pipe or resonator (if your vehicle even has them).


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post #6 of 6 (permalink) Old 11-24-2015
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Do your mufflers have the weep holes drilled in the rear of one or both of your mufflers,some Roush mufflers didn't have the holes, and had water trapped inside,which would change the sound.Just another thought,check yours out for the holes.
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