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      06-09-2010, 06:18 PM   #1
MthreeMthree
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BMW Performance Exhaust w/ Dimisa tips sound (PICS)

As you can see from the pictures below, I chose to relocate and replace the standard tips of the BMW Performance Exhaust. I wasn't happy with them sticking too far out and sitting too low IMHO, and looked forward to filling a bit of the gap in the m-tech cutouts with larger tips. They were replaced with 3.5 Dimisa tips.
I'd really like to hear from other BMW PE owners who installed aftermarket tips as I did. Am I going crazy, or did it really change the sound of the exhaust that much? It still sounds great but have you lost a bit of the aggressiveness, or noticed a change at all? I know the size of the Dimisa tips are larger comparatively so it would change the sound, but I'm surprised it may have changed it that much.
I'm very curious to hear other members experiences with changing the tips. The girlfriend has no idea what I'm talking about haha, and I'm actually considering going through the hassle/cost of putting the stock PE tips back on.

Thanks guys




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      06-09-2010, 06:27 PM   #2
joec500
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I don't have the PE, but did install those tips in my Mtech rear...and it really completes the rear look of our cars.
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      06-09-2010, 06:31 PM   #3
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So your saying it got quiter?? Im getting my PE installed tomorrow. I was hoping to get 3.5" double walled tips at some point (like stock but larger) but I dont think I want to mess with the sound. Hmm....we'll see.
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      06-09-2010, 06:38 PM   #4
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Looks much better. The tips don't change the noise at all...it must be in your head.
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      06-09-2010, 07:22 PM   #5
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+1 i would think its all in your head man.

P.s. Are you sure you have the E90 BMW PE?
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      06-09-2010, 08:18 PM   #6
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i was actually thinking of doing the same thing with my AE exhaust. i really wish the tips filled the exhaust cutout a little more. curious if changing the tips really does alter the sound output.
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      06-09-2010, 09:49 PM   #7
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Replacing exhaust tips does enhance exhaust note, any tips that is. The larger the opening, the more throaty the sound. By way of example, think of a saxophone versus a tuba. It's simple sound/audio architecture, really.
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      06-09-2010, 10:00 PM   #8
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to the OP, did you save the tips? i would love to have those if u didn't trash them away
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      06-09-2010, 10:07 PM   #9
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Quote:
Originally Posted by dimisa1977 View Post
Replacing exhaust tips does enhance exhaust note, any tips that is. The larger the opening, the more throaty the sound. By way of example, think of a saxophone versus a tuba. It's simple sound/audio architecture, really.
IM wondering if the STOCK 335i tips would keep the sound about the same, since they are 3". I like the double walled look much better then the PE tips...PE tips are the only thing I dont really like. We'll see tomorrow though how I feel about them. I like the opening size but wish the tips were thicker.
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      06-09-2010, 11:31 PM   #10
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Quote:
Originally Posted by joec500 View Post
I don't have the PE, but did install those tips in my Mtech rear...and it really completes the rear look of our cars.
I definitely agree, I had planned on the Dimisa tips before I ordered my m-tech.
Quote:
Originally Posted by Dackz View Post
So your saying it got quiter?? Im getting my PE installed tomorrow. I was hoping to get 3.5" double walled tips at some point (like stock but larger) but I dont think I want to mess with the sound. Hmm....we'll see.
I wouldn't describe it as quiter, it's like as quoted below. "Saxophone vs. a tuba" it's a deeper sound with the Dimisa tips, which does as I said before sound great. But not exactly the umm exotic sound? that you'll hear while watching the videos of the stock PE setup on WOT. I'm not sure what I'm going to do yet, but I guess altering the tips is something to think about, if you don't want the sound to change at all.
Quote:
Originally Posted by 5soko335i View Post
+1 i would think its all in your head man.

P.s. Are you sure you have the E90 BMW PE?
Most definitely ordered from Tischer.
Quote:
Originally Posted by dimisa1977 View Post
Replacing exhaust tips does enhance exhaust note, any tips that is. The larger the opening, the more throaty the sound. By way of example, think of a saxophone versus a tuba. It's simple sound/audio architecture, really.
Thank you for chiming in, big thumbs up to Dimisa for making a truly top notch product. Excellent build quality and a great looking product.
Quote:
Originally Posted by lawwailok View Post
to the OP, did you save the tips? i would love to have those if u didn't trash them away
Definitely not going to trash them, I'll let you know if I give the OCD a rest and not put them back on haha.
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      06-09-2010, 11:46 PM   #11
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looks real good!
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      06-09-2010, 11:53 PM   #12
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Quote:
Originally Posted by Dackz View Post
IM wondering if the STOCK 335i tips would keep the sound about the same, since they are 3". I like the double walled look much better then the PE tips...PE tips are the only thing I dont really like. We'll see tomorrow though how I feel about them. I like the opening size but wish the tips were thicker.
Post up a few pics of your PE after install if you can, Congrats! You're really going to enjoy it!
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      06-09-2010, 11:57 PM   #13
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Quote:
Originally Posted by Saigon View Post
looks real good!
Thanks man!
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      06-10-2010, 01:18 AM   #14
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Quote:
Originally Posted by Dackz View Post
IM wondering if the STOCK 335i tips would keep the sound about the same, since they are 3". I like the double walled look much better then the PE tips...PE tips are the only thing I dont really like. We'll see tomorrow though how I feel about them. I like the opening size but wish the tips were thicker.
i have the stock tips welded onto my PE alone with the exhaust valve, when wife is sitting in, i just plug the tube back and exhaust system runs like stock, partially open depends on throttle.
if im driving by myself, i just unplug it and tug the tube back onto the PE muffler nipple
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      06-10-2010, 01:46 AM   #15
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Quote:
Originally Posted by Topless 335i View Post
Looks much better. The tips don't change the noise at all...it must be in your head.

no!

i also change my tips on my OEM exhaust. i put some custom 90mm tips on it and the exhaust was definitly louder after that!

i also change the tips on my Performance exhaust. i put the same custom 90mm tips on it and its louder now!

here a pic of my custom tips:



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      06-10-2010, 12:06 PM   #16
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Quote:
Originally Posted by lawwailok View Post
i have the stock tips welded onto my PE alone with the exhaust valve, when wife is sitting in, i just plug the tube back and exhaust system runs like stock, partially open depends on throttle.
if im driving by myself, i just unplug it and tug the tube back onto the PE muffler nipple
Whats a wife??? Ill have to see them in person and decide/listen. Ill get up vid/pics if I can today or tomorrow.
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      06-10-2010, 12:40 PM   #17
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this is my PE with stock 335i muffler's tips sounds, i don't think the tone change at all:

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Last edited by lawwailok; 06-10-2010 at 02:42 PM..
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      06-10-2010, 12:53 PM   #18
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I'm getting my PE installed right now. I'll post vids of cold starts and a few revs for your comparison.
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      06-10-2010, 01:58 PM   #19
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Also thinking of changing the tips like every described. They're small, stick out and just plain ugly.
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      06-10-2010, 02:04 PM   #20
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Quote:
Originally Posted by opdare01 View Post
I'm getting my PE installed right now. I'll post vids of cold starts and a few revs for your comparison.
Get some install pics! and some nice videos.


BTW OP, are you saying the tips took away from the sound of the exhaust? or added?
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      06-10-2010, 05:50 PM   #21
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Quote:
Originally Posted by 5soko335i View Post
Get some install pics! and some nice videos.


BTW OP, are you saying the tips took away from the sound of the exhaust? or added?
+1
As far as the volume of the exhaust is concerned I don't think it took away or necessarily added to it either. From my experience it seemingly just changed the tone. With the larger tips the tone is deeper and in some ways seems to have lost a bit of definition, if that makes sense? IMHO the higher revs seem to have lost a bit of that sport-bikish tuned top end sound? So to somewhat answer your question, personally the tips took a bit away from the sound of the exhaust compared to the stock tips, but gave back quite a bit aesthetically speaking. This of course is all subjective to my taste and opinion when it comes to the sound and some may welcome a deeper sounding note.
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      06-10-2010, 05:54 PM   #22
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Quote:
Originally Posted by hamilton_wong View Post
Woah. looks way better. Definately dont change it back!
Thanks! yup I'm happy with the way it looks for sure. Maybe I'll do a quick Pchop and see how the PE tips would look if properly aligned haha
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