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BMW 3-Series (E90 E92) Forum
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BMW Performance Exhaust = 335is exhaust??
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07-21-2010, 02:21 AM | #2 |
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I believe that The 335is has a specially tunes IS exhaust.Therefore it cannot be the same as the performance exhaust for the 335i. I have been wondering about this myself for a while but I am convinced that they are two different exhausts because the 335is has the identical style tips that come on the stock 335i, but on the IS they are black. I haven't driven a car w/ the Performance exhaust so I cannot comment on the sound but many people on this forum have commented that the two are very similar. So to answer your question, no.
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07-21-2010, 02:52 AM | #3 |
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The 335is exhaust sounds pretty sweet in videos.. i wonder if we can just buy a 335is exhaust and swap it into our 335i's?
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07-21-2010, 03:10 AM | #4 | |
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The BMW Performance Exhaust has a few clamps between the mufflers and the midpipe, between the 2 mufflers, etc. I am sure the 335is is welded. But, I think that the 335is mufflers are identical to the 335i Performance mufflers. It would be unnecessary R&D to create mufflers for a US only car when the Performance ones are already available.
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07-21-2010, 03:53 AM | #5 |
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+ 1, there's no good reason to assume that the BMW engineers made a whole new exhaust for the 335is... I am convinced it's the same exhaust as the BMW performance one.
We need to get the two together and compare |
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07-21-2010, 05:59 PM | #7 | |
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the exhausts are very very similar in sound quality .. but just a slight departure at lower RPMS -- but once you jump on it.. sounds just alike -- nice, sweet n tuned ... i have an E92 with the performance exhaust and i have driven numerous 335is (E92/93) will be getting the iS in another year and was thinking of retrofitting the performance exhaust -- since it has no drivers side flap -- and i love to start it up in the morning... torn between the two |
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07-21-2010, 06:00 PM | #8 |
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I can confirm that the PE at least has different labels on it then the 335is. My performance exhaust mufflers specifically say "BMW Performance", where as the IS exhaust says "Boysen" on it. The 335is also has the butterfly valve "aka golf tee" on it, PE does not. The 335is, at least on a DCT, is MUCH quiter then my PE on a 6mt. Whether or not due to tuning or because of transmission, I cannot confirm, but its not as gurgly or deep. My 335 is stock other then the PE performance wise. The tips are as stated, same as stock but black chrome.
I was at a dealer last week and they had one there and I wanted to hear the difference. I even got down on the ground to look and thats where I saw the label on the muffler. Not sure if there are any differences from DP back to the mufflers outside of one being clamped and one being welded. I do have to say though I was not nearly as impressed with it as I would have thought. Again, the 'tune' could be causing it to be quiter then stock or it could be the DCT vs 6mt. |
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07-22-2010, 12:29 PM | #9 |
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we've received a boat (really) load of cars, and quite a few iS's -- if I can, ill try to get my car up on the rack and shoot photos of my exhaust and then get a iS up and shoot it -- to compare..
i know my guy is real busy .. i will do it when he has an opening .. |
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07-22-2010, 01:23 PM | #10 | |
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Drives: '11 e92 335is 6MT
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Cold start verges on obscene - very unrefined for a BMW - and it's quite deep at low RPM. I can't compare to a PE, but I can confirm that the golf-tee mod on an "is" yields real results.
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In my garage: '11 e92 335is 6MT (05/10) SpGrey/CoralRed/GlacSlvr ExecPkg/NavPkg/19" 225M
Retired: '07 e92 335i 6MT (12/06) SpklgGrpht/CoralRed/GreyPoplar Retired: '04 330Ci M-Sport 6MT SilverGrey/NaturalTan/MyrtleWood Retired: '00 328Ci 5MT SteelGrey/Grey/MyrtleWood Retired: '87 Pontiac Grand-Am 3AT White/Grey |
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07-22-2010, 01:27 PM | #11 | |
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08-10-2010, 12:20 AM | #12 | |
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08-10-2010, 09:18 AM | #13 |
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sales guys will say whatever they have to just to get sale...most are full of $hit.
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04-25-2011, 12:29 PM | #15 |
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335is exhaust is NOT the same as the BMW performance mufflers.
Whoever says it is clearly hasn't heard the two side-by-side...(my roommate has a 335is)
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04-23-2013, 02:35 PM | #17 | |
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The nice thing is that the VPC has already (properly) done whatever is necessary to disable the butterfly because the PE pumps exhaust out of both pipes on cold start and the stock 335i exhaust that was removed presumably did not. I wonder how they did it. I'll post when I find out. |
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