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Old 05-05-2011, 06:23 PM   #1
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exhaust

Just bought a 2007 Mustang GT its bone stoke n to quiet I wanna get a muffler delete axel back will I lose any power n will it hurt my valves BC I'm taking away back pressure
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Old 05-05-2011, 07:09 PM   #2
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Re: exhaust

i would get a high flow cat, and run straight pipes from there on back... keeps ya legal.
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Old 05-05-2011, 08:12 PM   #3
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I can't tht would void my warranty n I kinda like the way it sounds with no mufflers n wondering if I lose power or is it bad for my valves
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Old 05-05-2011, 08:14 PM   #4
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Hmmm buy a Chevy lol
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Old 05-05-2011, 08:16 PM   #5
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J/k man. Like I said. As a trained tech. Its not gonna hurt at all unless you delete the WHOLE exhaust lol.
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Old 05-05-2011, 09:11 PM   #6
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Re: exhaust

The muffler delete does not hurt your valves and shouldn't effect your stock tune...

From what I have read...

I am considering changing exhaust on my 07 427R, have you checked out the Roush Extremes? They run a straight through "muffler" under the car with a long tail pipe, they sound old school awesome...
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Old 05-06-2011, 04:33 PM   #7
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I deleted the mufflers on my 06. Without the axle back pipe. Sounds good. Low rumble then a loud roar when the load pedal is engaged! Only trick was making new hangers.
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Old 05-07-2011, 11:28 AM   #8
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Do u know if tht voids a warranty BC they said I could get an axel back Idk about having no mufflers
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Old 05-07-2011, 12:05 PM   #9
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I may be wrong, but I think you can run any exhaust or lack there of without voiding your warranty. As long as you have DOT approved "street legal" headers I think anything else is fair game. I had an 06' GT with straight outs. As long as you don't have to pass emissions.
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Old 05-08-2011, 10:28 PM   #10
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Wrong. The car has to have catalytic converters. Only the dealer can really say what voids the cars warranty. Aside from the obviouse.
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Old 05-08-2011, 10:37 PM   #11
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Quote:
Originally Posted by Mustang_Daddy
Do u know if tht voids a warranty BC they said I could get an axel back Idk about having no mufflers
When my stang was new in 2006 I put a loudmouth exhaust on it the second week I had it. The dealer wont care if you put on a new axleback and they are 100% safe.
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Old 05-10-2011, 02:58 PM   #12
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I can run wht ever I want just voids the warranty on the stock exhaust
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Old 05-10-2011, 04:29 PM   #13
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Just can't do headers
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