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Engine Modifications Flat-fours and turbochargers are what set the WRX apart from the rest. Talk about them and the latest aftermarket parts here.

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Old 06-26-2005, 08:57 AM   #106 (permalink)
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Quote:
Originally Posted by killthelights14
MY Stock Dual tip on a 2002 wrx

wrx stock exhasut.mpg
wow ur stock muffler sounds pretty loud and i hear the whistle (chriping) did u modify ur stock muffler ? all the cats in there?
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Old 06-26-2005, 12:26 PM   #107 (permalink)
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i was lookin at the exhuast, do u have to remove catalytic converter in order to install a catback?
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Old 06-26-2005, 01:30 PM   #108 (permalink)
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Originally Posted by boostin_ass
i was lookin at the exhuast, do u have to remove catalytic converter in order to install a catback?
no
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Old 06-26-2005, 01:35 PM   #109 (permalink)
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whats that thing in the middle of the car, just a resonator?
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Old 06-26-2005, 01:37 PM   #110 (permalink)
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thats what i want quiet in the car but loud outside, what u guys recomment
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Originally Posted by KoreanBeefcake
i welded in a glasspack to my catless straight pipe a few days ago, im actually amazed at how nice it sounds. i have a video but it needs to be edited a little bit. its nearly as quite as stock inside, but louder than hell outside and i did it for less than $100.
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Old 06-26-2005, 07:08 PM   #111 (permalink)
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Quote:
Originally Posted by boostin_ass
whats that thing in the middle of the car, just a resonator?
yep, small resonator.
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Old 06-26-2005, 07:20 PM   #112 (permalink)
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i heard these cars had 3 cats, i only found 2, will u not pass smog if u only run the main one?
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Old 06-26-2005, 07:58 PM   #113 (permalink)
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Quote:
Originally Posted by boostin_ass
i heard these cars had 3 cats, i only found 2, will u not pass smog if u only run the main one?

there's a cat in the uppipe.
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Old 06-26-2005, 10:12 PM   #114 (permalink)
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Quote:
Originally Posted by boostin_ass
i heard these cars had 3 cats, i only found 2, will u not pass smog if u only run the main one?

i know alot of people have passed on 1 cat. helix for example says their catted downpipe will pass CA emissions.
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Old 06-26-2005, 10:34 PM   #115 (permalink)
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what can i do to get the most power outa my exhaustt system?
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Old 06-27-2005, 11:02 AM   #116 (permalink)
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Quote:
Originally Posted by boostin_ass
what can i do to get the most power outa my exhaustt system?

up/dp/catback combined with engine management
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Old 06-27-2005, 05:23 PM   #117 (permalink)
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man i sound like a noob , what exactly is the up and down pipe up pipe connect to the turbo and down pipe connect to the last cat?
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Old 06-27-2005, 05:48 PM   #118 (permalink)
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Quote:
Originally Posted by boostin_ass
man i sound like a noob , what exactly is the up and down pipe up pipe connect to the turbo and down pipe connect to the last cat?

should answer all of your questions
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Old 07-02-2005, 11:43 PM   #119 (permalink)
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HKS Hi Power 3”
http://www.hksusa.com/content/misc1759.wmv (revving, WOT outside)
First up, great thread! So very helpful

On this clip, does anyone know what BOV that is? (If that's what it is?)

I like the sound of it, not too loud and subtle enough for my taste.

Any help would be greatly appreciated.
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Old 07-03-2005, 05:18 AM   #120 (permalink)
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Originally Posted by Corouge
First up, great thread! So very helpful

On this clip, does anyone know what BOV that is? (If that's what it is?)

I like the sound of it, not too loud and subtle enough for my taste.

Any help would be greatly appreciated.
sounds like the HKS SSQ
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