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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > 335is Mufflers On My 335i!



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      09-07-2014, 01:44 PM   #1
Parth317
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335is Mufflers On My 335i!

Finally got around to installing my 335is mufflers. They definitely sound a lot deeper, louder, and more burbly than the stock mufflers! Very similar to the Performance Exhaust. I have the butterfly valve open btw.

Here's a cold start video with some low revs at the end:

https://www.youtube.com/watch?v=suEu...DZD2YN0zXuiFTw

EDIT: Here's a sound clip of my car revving with downpipes! I'll post a cold start video sometime over the weekend.
https://www.youtube.com/watch?v=0GcyNyXSFiw

Last edited by Parth317; 02-05-2016 at 11:50 AM..
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      09-07-2014, 02:00 PM   #2
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Why put on stock mufflers from another car. Sounds good but I would've just would've done a straight pipe from headers back with those 335is mufflers.
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      09-07-2014, 03:36 PM   #3
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Sounds good.
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      09-07-2014, 03:51 PM   #4
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Quote:
Originally Posted by Johnny Boost View Post
Sounds good.
+1

I've been thinking about doing this as well. I had the PE but felt it was a little to loud for my tastes and really missed the flap during highway cruising (my daily commute). I think the iS mufflers might be right up my alley; a little louder plus retain the flap.

Where did you buy them from?
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      09-07-2014, 04:10 PM   #5
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That's the sound i prefer. Good choice! Some aggressiveness but BMW classy at the same time!
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      09-07-2014, 04:35 PM   #6
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If the PE is turning people away due to the rasp high higer RPM's the IS mufflers might be a good middle ground.

I'd be curious with DP's and high revs under load if this combo is has too much rasp.
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      09-07-2014, 04:41 PM   #7
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Quote:
Originally Posted by MentegoE90 View Post
Why put on stock mufflers from another car. Sounds good but I would've just would've done a straight pipe from headers back with those 335is mufflers.
Ahh well I didn't want something that would be too obnoxious haha. I live on a street where there are lots of small children, and elderly couples. Eventually I'll get down pipes, but definitely not removing my secondary cats.
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      09-07-2014, 04:42 PM   #8
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Quote:
Originally Posted by pioneercrazed View Post
+1

I've been thinking about doing this as well. I had the PE but felt it was a little to loud for my tastes and really missed the flap during highway cruising (my daily commute). I think the iS mufflers might be right up my alley; a little louder plus retain the flap.

Where did you buy them from?
Thanks! Yeah the PE sounds amazing, but I wanted something a bit quieter. I got these off of a forum member for a really good price!
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      09-07-2014, 04:43 PM   #9
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Quote:
Originally Posted by Miller335 View Post
If the PE is turning people away due to the rasp high higer RPM's the IS mufflers might be a good middle ground.

I'd be curious with DP's and high revs under load if this combo is has too much rasp.
I was thinking of getting down pipes later this winter. If I do get them, I'll make a video with my gopro/external mic to capture the sound better at high rpms.
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      09-07-2014, 06:06 PM   #10
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Quote:
Originally Posted by Parth317 View Post
I was thinking of getting down pipes later this winter. If I do get them, I'll make a video with my gopro/external mic to capture the sound better at high rpms.
That would be great, thank you.
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      09-07-2014, 07:28 PM   #11
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Quote:
Originally Posted by Parth317 View Post
Finally got around to installing my 335is mufflers. They definitely sound a lot deeper, louder, and more burbly than the stock mufflers! Very similar to the Performance Exhaust. I have the butterfly valve open btw.

Here's a cold start video with some low revs at the end:

https://www.youtube.com/watch?v=suEu...DZD2YN0zXuiFTw
Nice and throaty!!!!
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      09-07-2014, 08:21 PM   #12
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Nice! Sounds great.
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      09-08-2014, 08:43 AM   #13
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Quote:
Originally Posted by MentegoE90 View Post
Why put on stock mufflers from another car. Sounds good but I would've just would've done a straight pipe from headers back with those 335is mufflers.
Some people don't want loud cars especially on luxury cars. Im not a big fan of how this car sounds with different exhaust as the tone changes a lot or want this car to be loud but this one sounds good, sounds very similar to the stock tone. I might order some as well. Will they fit an E90? I believe the "is" model only came in a 2 door.
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      09-08-2014, 09:15 AM   #14
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Quote:
Originally Posted by Bluesnake01 View Post
Some people don't want loud cars especially on luxury cars. Im not a big fan of how this car sounds with different exhaust as the tone changes a lot or want this car to be loud but this one sounds good, sounds very similar to the stock tone. I might order some as well. Will they fit an E90? I believe the "is" model only came in a 2 door.
Thanks! Yup they'll fit your E90. You might have to shorten the length on the connecting pipes since the E92 is a bit longer than the E90.
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      09-08-2014, 11:52 AM   #15
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Burbly lol! Perfect word for this scenario, glad you like the sound
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      09-08-2014, 02:37 PM   #16
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Originally Posted by ammar23 View Post
Burbly lol! Perfect word for this scenario, glad you like the sound
Thanks
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      02-05-2016, 11:51 AM   #17
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Quote:
Originally Posted by Miller335 View Post
That would be great, thank you.
Finally got a set of dps! Check out the video I linked at the top.
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      02-05-2016, 11:03 PM   #18
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Those of the with PE muffler, did you guys cut out the mid cat after the downpipe?

I wanna know if there will be a performance gain. Tuners have mentioned that changing it to a high flow cat will gain some HP, considering if you are already FBO and pushing 450+ to the wheels.
Also, if running PE muffler without any cat, will it have a lot of drone during highway cruising?
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      02-05-2016, 11:07 PM   #19
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Quote:
Originally Posted by BMSE92_Harry View Post
Those of the with PE muffler, did you guys cut out the mid cat after the downpipe?

I wanna know if there will be a performance gain. Tuners have mentioned that changing it to a high flow cat will gain some HP, considering if you are already FBO and pushing 450+ to the wheels.
Also, if running PE muffler without any cat, will it have a lot of drone during highway cruising?
I wouldn't cut out the secondary cats. It'll just give you a ton of rasp and you'll drone if you have downpipes with a secondary cat delete + pe. So far I haven't noticed any drone with my setup. Very quiet when you want it to be, and loud when you get on it! Oh and it's even more burbly than before
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      02-06-2016, 05:52 PM   #20
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I've always heard the 335is exhaust is just the PE exhaust with the exhaust flapper.

I've heard the 335is exhaust (on a 335is) with the golf tee mod and stock otherwise. Doesn't sound good.
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      02-06-2016, 08:29 PM   #21
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Quote:
Originally Posted by Nitrousbird View Post
I've always heard the 335is exhaust is just the PE exhaust with the exhaust flapper.

I've heard the 335is exhaust (on a 335is) with the golf tee mod and stock otherwise. Doesn't sound good.
Nope it's slightly quieter than the PE even with the valve open all the time. To each his own lol
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      02-07-2016, 12:25 AM   #22
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Quote:
Originally Posted by Nitrousbird View Post
I've always heard the 335is exhaust is just the PE exhaust with the exhaust flapper.

I've heard the 335is exhaust (on a 335is) with the golf tee mod and stock otherwise. Doesn't sound good.
I think it's a nice medium between stock and the PE. Just a little deeper sounding than the PE, and slightly less volume. Easier to be quiet when I want to be, but loud with heavy throttle.
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