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#1
22-10-2008, 05:00 PM
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Quiet exhaust
G'day
I've got an xforce s/s tbe exhaust that is very quiet. It had the oval muffler which I changed to a cannon, removed the resi, fitted a Hypertech dump with splitter and headers from ASG but this made no difference to the sound level! Are all 06/07's quiet? Any suggestions appreciated. Cheers
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**************** MY06 Pig STI 333hp/502nm Last edited by REXPRESS; 22-10-2008 at 05:06 PM. 
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#2
22-10-2008, 05:07 PM
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Funny, I was reading a thread on NASIOC yesterday where a guy said his exhaust quietened down after he put headers on, or some such...don't think that would quieten it down as much as you seem to be experiencing though...
AFAIK x-force cannons were said to be quite loud! I know my old oval one was reasonably loud!
__________________
...He said Smooth Bee the skins is fat I don't beg cause I'm not in begonia I dress warm so that I won't catch pneumonia My rhymes are stronger than ammonia I'm a diamond, you're a cubic zirconia
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#3
22-10-2008, 05:25 PM
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Headers definitely quieten them down....not because they flow less, but because they change the beat of the exhaust note. It smooths them out and reduces noise.
This is what I noticed from my own experience, and from my brother-in-laws WRX...his was particularly quiet after putting the headers on!
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#4
22-10-2008, 05:28 PM
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No the system was quiet even before the headers went on, have not noticed much difference in the level after headers fitted.
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**************** MY06 Pig STI 333hp/502nm
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#6
22-10-2008, 05:49 PM
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Hmm, thats strange Rexpress, I have a full 3' S/S TBE zorst on my Pig STi, it has the oval magnaflow muffler and I wouldn't call it quiet. I wouldn't say its VERY loud, but it certainly gets the attention of passers by. I haven't done headers or such. The zorst is an RMS system. (Norm Butler makes them though I think).
My system only has the oval muffler in it, no other resi's. Cheers Zombee 
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2017 Ford Focus RS MY11 STI - SOLD
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#7
22-10-2008, 05:52 PM
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ill swap my muffler with yours....mine is umm loud.
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MY04 WRX CLUBSPEC 7
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#8
22-10-2008, 05:59 PM
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equal length headers will do that to the exhaust note possibly?
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#9
22-10-2008, 06:09 PM
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Obviously your not giving it enough shit, thrash it to make some noise
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 221.7KW-ATW 498.5NM MMS ROLLER DYNO & BUILT BY STi NINJAS, BUILD #318/600 EBISU SUBARU, SHIBUYA-KU TOKYO
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