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      06-04-2014, 08:43 PM   #1
dgritti
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328i QUAD EXHAUST

hey guys i have a 328i and im looking to do a quad exhaust and came across this exhaust and want to get everything about it the sound the M3 rep bumper the whole nine yard
anyone know where i can get them and what all ill need to get the sound
let me know of what you guys think and if so could include links that would be nice
http://www.youtube.com/watch?v=Lfa5_KHyfFs
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      06-04-2014, 08:46 PM   #2
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Heard the clip on my iPhone and it sounds pretty good. Don't know what exhaust he is running but i know if that's a 328 he would have to be running catless* headers for it to be that loud.
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      06-04-2014, 08:49 PM   #3
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it said "The previous owner replaced the stock resonator with the hi-flow race muffler and removed his secondary cats"
so im assuming that was wall that he did for him to get that sound
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      06-04-2014, 08:56 PM   #4
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Yea I can see that sound being possible with cat delete and a hiflow muffler set up. The quad exhaust is custom because I haven't seen any companies release a quad system for the n51/n52.
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      06-04-2014, 11:26 PM   #5
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Sounds pretty good. I think the comments mentioned Magnaflow for the exhaust.
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      06-05-2014, 01:28 AM   #6
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yeah i just wonder what else they've done to cuz that sound sounds pretty unique but i like it
yeah i figured the tips are custom just wonder where i can have someone create a good looking set of them out here in AZ that match specs for M3 rep bumper
anyone got any suggestions as to what to do for the tips (rear quad parts)
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      06-05-2014, 02:05 AM   #7
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primary cats should still be installed, I am willing to bet that the midpipe after the primary cat is larger in diameter. Stock is 2inches, the resonator pipe 2 1/2. Achieve this sound, the midpipe needs to be 2 1/2, the resonator pipe needs to be 3 inches, no muffler, no resonator. If you add magnaflow, it will not sound like that.
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      06-05-2014, 03:04 AM   #8
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Supersprint makes a quad for the euro 330 which I believe is said to fit the 328. The tips come out in the wider position of a 335 though, rather than the narrow position of the M3. Also, it's ~$2,000. That's probably why it's so hard to find any info about it.

I'd post the link but my understanding is the mods frown upon posting links to non-sponsors. It's one of the first vendors to come up in any Google search for BMW parts.
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      06-05-2014, 02:34 PM   #9
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they said it was a magnaflow hiflow muffler
you think they just deleted everything after the cats??? i like the sound and i wanna run quads like the m3
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      06-07-2014, 01:16 AM   #10
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Quote:
Originally Posted by dgritti View Post
they said it was a magnaflow hiflow muffler
you think they just deleted everything after the cats??? i like the sound and i wanna run quads like the m3
mmm sounds like no muffler was there but cool, i'm sure no resonator
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      06-07-2014, 01:40 AM   #11
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well is there anyone that is running a quad exhaust with muffler because i have to deal with emissions out here
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      06-07-2014, 03:43 AM   #12
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A stock m3 retrofit would be possible but you would be dropping lots of money for a much more heavier exhaust system and muffled sound.
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      06-07-2014, 07:11 PM   #13
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yeah not going stock route wanna get a louder sound but not annoying
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