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- cats, and stock muffler + 40 series flowmaster

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Old Apr 6, 2006 | 10:41 PM
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jp2005's Avatar
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Default - cats, and stock muffler + 40 series flowmaster

well i took my xfire to my trusted exhaust shop and took off the back 2 cats, and added a 40 series flowmaster, and kept the stock tips.

sounds awesome, very, very, very loud -- sounds like a late model mustang w/ a h-pipe and flowmaster.

if you want alot of sound i recommend doing this.
 
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Old Apr 6, 2006 | 10:48 PM
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Default Re: - cats, and stock muffler + 40 series flowmaster

Originally Posted by jp2005
sounds awesome, very, very, very loud --
what... what... i can't hear you...


j/k ... i couldn't resist.
 
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Old Apr 8, 2006 | 07:48 PM
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Default Re: - cats, and stock muffler + 40 series flowmaster

I did exactly that to my old grand prix sedan, except with new tips and 2 series 40 mufflers... my as* shook like I was riding chopper. Too much for a sedan, but this car? Maybe...
 
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Old Apr 8, 2006 | 10:55 PM
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Default Re: - cats, and stock muffler + 40 series flowmaster

my first concern would be smog...will you still pass? if i do this should i have my current exhaust flanged and the new one installed flanged as well so i can pick and choose my exhausts, i'm all about making a ruckus but if i doesn't pass smog the car is useless to me.
 
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Old Apr 8, 2006 | 11:55 PM
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Default Re: - cats, and stock muffler + 40 series flowmaster

I wonder what state this was done in...I didn't think it was legal in any.
 
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Old Apr 9, 2006 | 12:03 AM
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Default Re: - cats, and stock muffler + 40 series flowmaster

Don't flanges commonly leak?

If so there are quality guys that will do the welding cheap. For example, there is a guy 1 mile from my house that has done 2 custom cat backs for me. I paid him $60 for a single muffler and $100 for a dual exhaust on a later car. (myself bringing the muffler, tips, etc) He'll supply the shop, tubes and labor. He even leaves the car up there for you to inspect it all and make adjustments. I think that's a reasonable cost...
 
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Old Apr 9, 2006 | 12:05 AM
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Default Re: - cats, and stock muffler + 40 series flowmaster

Originally Posted by pelked1
I wonder what state this was done in...I didn't think it was legal in any.
I believe in MO a catalytic converter is optional. My buddy said his old MO license didn't even have a picture of him on it until he had it renewed.
 
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Old Apr 9, 2006 | 12:12 AM
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Default Re: - cats, and stock muffler + 40 series flowmaster

it was done in ks, and yes it is illegal -- however we have no smog tests, so it doesn't really matter --

update: it is very very loud, and as you can expect does have rpm's that don't sound that good, but i think thats just me cause i'm not used to it.
 
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Old Apr 9, 2006 | 12:29 AM
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Default Re: - cats, and stock muffler + 40 series flowmaster

Originally Posted by jpristel
Don't flanges commonly leak?
Not necessarily. I had a '73 Charger and the headers connected to the exhaust via flanges. I ran copper flange gaskets and never had a problem.

I was running a Flowmaster Delta Force 1 chamber. 3 inch in 3 inch out. I loved the sound and loved setting off car alarms.
 
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Old Apr 9, 2006 | 02:24 PM
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Default Re: - cats, and stock muffler + 40 series flowmaster

Originally Posted by jp2005
well i took my xfire to my trusted exhaust shop and took off the back 2 cats, and added a 40 series flowmaster, and kept the stock tips.

sounds awesome, very, very, very loud -- sounds like a late model mustang w/ a h-pipe and flowmaster.

if you want alot of sound i recommend doing this.
Can you record audio of it?
 
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Old Apr 9, 2006 | 10:43 PM
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jp2005's Avatar
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Default Re: - cats, and stock muffler + 40 series flowmaster

yeah i'll try to get a clip in the next couple days.
 
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