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Old 09-11-2012, 12:09 PM   #1
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2007 mustang gt exhaust question

sometimes when I turn my car on after it's been sitting in the sun for awhile the car gets really loud and the rpms jump all the way up but if I tap the gas pedal or put the car into gear it quites down and goes back down to normal rpm range... I have shorty headers cold air intake high flow cats x pipe and flowmaster outlaw mufflers with a race tune from bama American muscle...
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Old 09-11-2012, 12:41 PM   #2
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Sounds like a normal cold start
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Old 09-11-2012, 01:15 PM   #3
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Re: 2007 mustang gt exhaust question

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Originally Posted by BaSohol View Post
Sounds like a normal cold start
+1
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Old 09-11-2012, 01:28 PM   #4
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okay thanks just wasn't sure
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Old 09-11-2012, 04:15 PM   #5
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Re: 2007 mustang gt exhaust question

My 09 GT does the same, normal cold start.
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Old 09-11-2012, 06:25 PM   #6
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Quote:
Originally Posted by Kochieey
sometimes when I turn my car on after it's been sitting in the sun for awhile the car gets really loud and the rpms jump all the way up but if I tap the gas pedal or put the car into gear it quites down and goes back down to normal rpm range... I have shorty headers cold air intake high flow cats x pipe and flowmaster outlaw mufflers with a race tune from bama American muscle...
Definitely a normal cold start and I know for some people it gets annoying I've had a old man cuss me out because of my exhaust lol but your fine
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Old 09-11-2012, 06:50 PM   #7
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Just a good old cold start!
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Old 09-11-2012, 07:56 PM   #8
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It call a open loop google it and it will tell you why
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Old 09-12-2012, 11:37 AM   #9
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Re: 2007 mustang gt exhaust question

Quote:
Originally Posted by Kochieey View Post
sometimes when I turn my car on after it's been sitting in the sun for awhile the car gets really loud and the rpms jump all the way up but if I tap the gas pedal or put the car into gear it quites down and goes back down to normal rpm range... I have shorty headers cold air intake high flow cats x pipe and flowmaster outlaw mufflers with a race tune from bama American muscle...
Kochieey,

You've been given the proper information. This sounds like it's just a normal cold start and it probably seems extremely loud since you have a full exhaust!

Let me know if you ever have any questions!

-Dan
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