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Discussing Cats or no cats what is better? in the 99-04 Forum. i have a X pipe with cats on and i had bought the car with ...

       

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Old October 2nd, 2007, 09:54 PM   #1
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Cats or no cats what is better?


i have a X pipe with cats on and i had bought the car with them on here i was thinking about buying a x pip w/o cats but i was wondering if there is any differnt with or without cars on a X pipe
 
Old October 2nd, 2007, 09:55 PM   #2
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with the way that high flow cats are engineered these days, there isn't really going to be a difference either way. i have cats due to my stay requiring them and i have a little bit of hippie in me
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Old October 2nd, 2007, 09:55 PM   #3
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Simple decision. Cats are for emmisions. If you have annual emmisions check cats are your best friend.
 
Old October 2nd, 2007, 09:57 PM   #4
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will is sound any differnt without them?
 
Old October 2nd, 2007, 10:00 PM   #5
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yeah they have a different sound, but I can't remember what it does to it though
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Old October 2nd, 2007, 10:01 PM   #6
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Originally Posted by Cantbeatblack
will is sound any differnt without them?
The only difference I noticed was at idle. It was slightly quieter. But at full throttle it sounds the same.
 
Old October 2nd, 2007, 10:15 PM   #7
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i always thought o/r midpipes were WAY louder.
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Old October 2nd, 2007, 10:26 PM   #8
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Originally Posted by energiesource
i always thought o/r midpipes were WAY louder.
Louder than what?
 
Old October 2nd, 2007, 10:27 PM   #9
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than catted midpipes
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Old October 2nd, 2007, 10:31 PM   #10
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i say go uncatteed f*** the enviroment... jk jk... but if u have emissions keep the stock h and bolt it back on when needed
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Old October 2nd, 2007, 10:32 PM   #11
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youre driving a mustang, not a prius, might as well do some damage.
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Old October 2nd, 2007, 10:40 PM   #12
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Originally Posted by energiesource
than catted midpipes
They are.
 
Old October 2nd, 2007, 10:41 PM   #13
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Originally Posted by bossman2kgt
Originally Posted by Cantbeatblack
will is sound any differnt without them?
The only difference I noticed was at idle. It was slightly quieter. But at full throttle it sounds the same.
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Old October 2nd, 2007, 10:44 PM   #14
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Originally Posted by energiesource
Originally Posted by bossman2kgt
Originally Posted by Cantbeatblack
will is sound any differnt without them?
The only difference I noticed was at idle. It was slightly quieter. But at full throttle it sounds the same.
Im dislexic.....
 
Old October 3rd, 2007, 12:25 AM   #15
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I installed a non-Cat X-pipe with my stock GT mufflers and the car is considerably louder. Almost too loud. The sound is completely different than previously. The change in sound is due to the X-pipe, but again quite loud. Hope this helps.
 
Old October 3rd, 2007, 01:15 AM   #16
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i have a catless h-pipe with magnapacks. it is a loud friggin exhaust. your car will be loud, and illegal if you do no cats, but it sounds so much better imo. if you want that bad ass deep fuckin roar, you will love a catless pipe.
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Old October 3rd, 2007, 02:38 AM   #17
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o/r x-pipes are a little raspier than catted ones and they are louder!!

when i had my headers and o/r x-pipe installed at first i didnt have my flowmasters on yet so i had the stock ones. it was a little louder but mufflers/catback make THE biggest difference!! my faves are flowmaster and the borla stingers! gotta love the sound of a v8 stang!
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Old October 3rd, 2007, 02:55 AM   #18
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stay with the cats ,,its a minimal gain to not have them
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Old October 3rd, 2007, 03:01 AM   #19
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without cats you get a raspier sound..also i think i've heard cars dyno more with cats taken of but the gains arent incredible or anything..so i dont know
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Old October 3rd, 2007, 03:02 AM   #20
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id get o/r for the sound not the gain
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