Quiet Exhaust - Page 2 - Subaru WRX Forum
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#16 Old 05-20-2009, 08:56 AM
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Thanks everyone for the comments, lots of helpful suggestions. For those of you who actually have any of the quieter exhausts, can you tell me which DP you chose and if you had any issues with fitment. I am just really OCD about stuff like this and I would be a lot more comfortable choosing a combination that has been verified by a few people. Also, if you needed adapters or other extras and you could list them that would be awesome.

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#17 Old 05-20-2009, 10:26 AM
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well on my old 03 i had both the hush and the TXS Stealthback...I like the hush better because it was a little bit louder...but I had the Helix DP and it had no fitment issues what so ever

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#18 Old 05-20-2009, 11:27 AM
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My brother has the COBB catless downpipe paired up with the Maddad Whisper, it sounds nice at idle and roars at WOT. It's a really good combo IMO
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#19 Old 06-10-2009, 11:17 AM
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Newb here, just traded my Boxster S for an '06 WRX wagon last week and I couldn't be happier. I'm looking at a TBE but want it as quiet as possible. How does the SPT cat back compare sound and flow wise to the Whisper or Hush?
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#20 Old 06-10-2009, 02:20 PM
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Decibel levels are similar, you can try youtube for the actual sound. From what I've read a 3" Bellmouth DP paired with any of these will give pretty much the same results for performance.
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#21 Old 06-10-2009, 10:41 PM
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Dont know if you have seen this or not:WRX STi Exhaust: Catback & Turboback Exhausts, Gaskets, Hangers, Headers & Components JSC Speed it has decibel ratings for most of the "popular" exhausts out there.
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