Modify OEM exhaust to sound like PE exhaust

MrSilverwing · 02-25-2015, 12:52 PM

I recently went the muffler delete route after running the golf tee mod on my e93 335i for a year. Worth all $180 I spent to get them cut out and adding 4' tips. My neighbor has a 335is with BMW PE and I like the sound of my exhaust much more now.

kolhozbrothers · 02-25-2015, 12:56 PM

^ guys, why would you buy an aftermarket exhaust when you can do this mod? most aftermarket exhaust sound ricerish.

v1nc86 · 02-25-2015, 03:35 PM

Quote:

Originally Posted by kolhozbrothers

^ guys, why would you buy an aftermarket exhaust when you can do this mod? most aftermarket exhaust sound ricerish.

not the BMW PE...

psmitty95 · 02-25-2015, 05:10 PM

Alright guys got a question for you... I'm gonna be doing this soon and trying to figure it out. Right now I have stock E90 Exhaust with a secondary cat delete. My concern is the secondary cat delete and it sounding like shit. I know I need an x-pipe to replace the resonator but should I get rid of the secondary cat delete and put vibrant resonators or something there so it doesn't rasp?

Edit: Basically what i'm asking is if anyone has done the recommended setup (x-pipe for e90, outer pipes replaced) with a secondary cat delete? I hate rasp so would hate to do all of it then have to throw in resonators or something because it's too raspy

Julian2485 · 02-25-2015, 07:15 PM

Quote:

Originally Posted by psmitty95

Alright guys got a question for you... I'm gonna be doing this soon and trying to figure it out. Right now I have stock E90 Exhaust with a secondary cat delete. My concern is the secondary cat delete and it sounding like shit. I know I need an x-pipe to replace the resonator but should I get rid of the secondary cat delete and put vibrant resonators or something there so it doesn't rasp?

Edit: Basically what i'm asking is if anyone has done the recommended setup (x-pipe for e90, outer pipes replaced) with a secondary cat delete? I hate rasp so would hate to do all of it then have to throw in resonators or something because it's too raspy

Definitely throw some resonators on or it will be raspy

Conti. · 02-25-2015, 07:21 PM

Quote:

Originally Posted by psmitty95

Alright guys got a question for you... I'm gonna be doing this soon and trying to figure it out. Right now I have stock E90 Exhaust with a secondary cat delete. My concern is the secondary cat delete and it sounding like shit. I know I need an x-pipe to replace the resonator but should I get rid of the secondary cat delete and put vibrant resonators or something there so it doesn't rasp?

Edit: Basically what i'm asking is if anyone has done the recommended setup (x-pipe for e90, outer pipes replaced) with a secondary cat delete? I hate rasp so would hate to do all of it then have to throw in resonators or something because it's too raspy

What if you leave the stock resonator in place and just do the muffler portion.

psmitty95 · 02-25-2015, 11:55 PM

Quote:

Originally Posted by Conti.

Quote:

Originally Posted by psmitty95

Alright guys got a question for you... I'm gonna be doing this soon and trying to figure it out. Right now I have stock E90 Exhaust with a secondary cat delete. My concern is the secondary cat delete and it sounding like shit. I know I need an x-pipe to replace the resonator but should I get rid of the secondary cat delete and put vibrant resonators or something there so it doesn't rasp?

Edit: Basically what i'm asking is if anyone has done the recommended setup (x-pipe for e90, outer pipes replaced) with a secondary cat delete? I hate rasp so would hate to do all of it then have to throw in resonators or something because it's too raspy

What if you leave the stock resonator in place and just do the muffler portion.

I think it needs an x pipe or it'll sound like shit tho...

I think i'm gonna order vibrant resonators and see how it sounds with that. Hopefully it gets rid of the rasp and makes it a smooth good tone

Conti. · 02-26-2015, 12:26 AM

Quote:

Originally Posted by psmitty95

I think it needs an x pipe or it'll sound like shit tho...

I think i'm gonna order vibrant resonators and see how it sounds with that. Hopefully it gets rid of the rasp and makes it a smooth good tone

this one would seem similar to what you would be doing. kind of hard to judge in his video though

Quote:

Originally Posted by glachhman

You could try:

https://www.facebook.com/pages/Monke...09862329091452

They didnt do the actual PE mod for me but they welded the exhaust back onto the car, welded the tips & installed an x pipe. My car came with the secondaries, oem muffler, & resonator missing

So I bought an oem muffler & xpipe, did PE mod and had it installed.

this one is with res in place but also has cats to, so i don't think it'll sound the same as your would without cats. if anything you could try leaving the res in and if it doesn't sound good make modifications afterwards

psmitty95 · 02-26-2015, 11:19 AM

Quote:

Originally Posted by Conti.

this one would seem similar to what you would be doing. kind of hard to judge in his video though

this one is with res in place but also has cats to, so i don't think it'll sound the same as your would without cats. if anything you could try leaving the res in and if it doesn't sound good make modifications afterwards

Hmm interesting. Thanks for the help man. I think i'm gonna go with the PE mod, throw in an xpipe and do resonators in place of the secondary cats. I could be wrong but i'm thinking that might sound perfect so we'll see. I'll of course post vids for everyone when it's done. Hopefully gonna do this in the next week or two. Just gotta find a good but cheap exhaust shop nearby now...

Julian2485 · 02-26-2015, 10:38 PM

Quote:

Originally Posted by psmitty95

Quote:

Originally Posted by Conti.

this one would seem similar to what you would be doing. kind of hard to judge in his video though

this one is with res in place but also has cats to, so i don't think it'll sound the same as your would without cats. if anything you could try leaving the res in and if it doesn't sound good make modifications afterwards

http://<div class="youtube-playerCon.../iframe></div>

Hmm interesting. Thanks for the help man. I think i'm gonna go with the PE mod, throw in an xpipe and do resonators in place of the secondary cats. I could be wrong but i'm thinking that might sound perfect so we'll see. I'll of course post vids for everyone when it's done. Hopefully gonna do this in the next week or two. Just gotta find a good but cheap exhaust shop nearby now...

Trust Me it will sound real nice I have stock secondaries catless dps xpipe e90 and I love it

psmitty95 · 02-27-2015, 01:30 AM

Quote:

Originally Posted by Julian2485

Quote:

Originally Posted by psmitty95

Quote:

Originally Posted by Conti.

this one would seem similar to what you would be doing. kind of hard to judge in his video though

this one is with res in place but also has cats to, so i don't think it'll sound the same as your would without cats. if anything you could try leaving the res in and if it doesn't sound good make modifications afterwards

http://<div class="youtube-playerCon.../iframe></div>

Hmm interesting. Thanks for the help man. I think i'm gonna go with the PE mod, throw in an xpipe and do resonators in place of the secondary cats. I could be wrong but i'm thinking that might sound perfect so we'll see. I'll of course post vids for everyone when it's done. Hopefully gonna do this in the next week or two. Just gotta find a good but cheap exhaust shop nearby now...

Trust Me it will sound real nice I have stock secondaries catless dps xpipe e90 and I love it

Yea i'm gonna do vibrant res in place of secondaries though. Got any vids of your setup?

still in school · 02-27-2015, 09:58 AM

with the driver's side exhaust valve closed on cold starts, is it quieter? Just as in the stock form?

almcbs · 02-27-2015, 10:26 AM

Quote:

Originally Posted by Julian2485

Trust Me it will sound real nice I have stock secondaries catless dps xpipe e90 and I love it

Really interested in hearing this setup as well. Video please

Lotus99 · 02-27-2015, 10:36 AM

Quote:

Originally Posted by still in school

with the driver's side exhaust valve closed on cold starts, is it quieter? Just as in the stock form?

No. But think about it. How could it be? You've replaced the perforated pipe that was on the passenger side with a solid pipe. So all the exhaust gas is now flowing out a solid pipe on cold starts.

Julian2485 · 02-27-2015, 10:47 AM

Quote:

Originally Posted by almcbs

Quote:

Originally Posted by Julian2485

Trust Me it will sound real nice I have stock secondaries catless dps xpipe e90 and I love it

Really interested in hearing this setup as well. Video please

G glachman actually put a video of my setup on YouTube but I don't think it did it justice in my opinion lol. I actually posted the video a couple pages back

Julian2485 · 02-27-2015, 10:52 AM

Quote:

Originally Posted by Julian2485

Quote:

Originally Posted by almcbs

Quote:

Originally Posted by Julian2485

Trust Me it will sound real nice I have stock secondaries catless dps xpipe e90 and I love it

Really interested in hearing this setup as well. Video please

G glachman actually put a video of my setup on YouTube but I don't think it did it justice in my opinion lol. I actually posted the video a couple pages back

Conti. · 02-27-2015, 11:00 AM

Quote:

Originally Posted by still in school

with the driver's side exhaust valve closed on cold starts, is it quieter? Just as in the stock form?

Quote:

Originally Posted by Lotus99

No. But think about it. How could it be? You've replaced the perforated pipe that was on the passenger side with a solid pipe. So all the exhaust gas is now flowing out a solid pipe on cold starts.

The replaced perforated section is after the pipe that connects the two mufflers so it will still flow through to the other side a bit. It's not completely blocked of. The flap is on the driver side and when its closed it would still flow through to the pass side. It will quiet it down a little bit but not as much to be oem like before mod.

Lotus99 · 02-27-2015, 02:42 PM

Quote:

Originally Posted by Conti.

The replaced perforated section is after the pipe that connects the two mufflers so it will still flow through to the other side a bit. It's not completely blocked of. The flap is on the driver side and when its closed it would still flow through to the pass side. It will quiet it down a little bit but not as much to be oem like before mod.

Have you ever put your hand right in front of the driver's pipe when you start the car?

Conti. · 02-27-2015, 06:54 PM

Nope, haven't put my hand behind the exhaust but with the flap closed on cold start you can see all the exhaust going out the pass side and not the drivers side. Even with both sides modded it should still have the same effect and quiet the tone down it just won't quiet it down as much to normal non modes tones

Lotus99 · 03-02-2015, 02:36 PM

Quote:

Originally Posted by Lotus99

You've replaced the perforated pipe that was on the passenger side with a solid pipe. So all the exhaust gas is now flowing out a solid pipe on cold starts.

Quote:

Originally Posted by Conti.

The replaced perforated section is after the pipe that connects the two mufflers so it will still flow through to the other side a bit. It's not completely blocked off.

Quote:

Originally Posted by Conti.

Nope, haven't put my hand behind the exhaust but with the flap closed on cold start you can see all the exhaust going out the pass side and not the drivers side.

Huh? You just contradicted yourself after disagreeing with me... When the flap's closed, you don't get any exhaust gases going thru the driver's side. It all goes thru the pass side with is now a solid pipe, and is therefore a lot louder than before, when it was going thru the pass side with a perforated pipe.

Conti. · 03-02-2015, 03:45 PM

Quote:

Originally Posted by Lotus99

Huh? You just contradicted yourself after disagreeing with me... When the flap's closed, you don't get any exhaust gases going thru the driver's side. It all goes thru the pass side with is now a solid pipe, and is therefore a lot louder than before, when it was going thru the pass side with a perforated pipe.

I was thinking as if he had the pe mod + golf tee mod vs pe mod and no golf tee mod and how it'll still work even with the pe mod done since the middle pipes are still perforated. It wouldn't be as loud as pe mod + golf tee mod on cold but still loud

Dave2013 · 03-04-2015, 01:41 AM

to save me reading 68 pages and because some of the links no longer work:

1. did anyone open up a PE exhaust, if so what did they find?
2. did we agree on a method to make the OEM one sound like a PE?
3. what do I need to do for my 2007 335i M Sport to make it work?
4. did anyone find someone in the UK to do this and found it doesnt just give off a rubbish sound?

Thanks

Dave

02-25-2015, 12:52 PM	#1453
MrSilverwing '07 E93 335i Sport 20 Rep 120 Posts Drives: Space Grey Space Ship Join Date: Feb 2015 Location: Los Angeles, CA iTrader: (0)	I recently went the muffler delete route after running the golf tee mod on my e93 335i for a year. Worth all $180 I spent to get them cut out and adding 4' tips. My neighbor has a 335is with BMW PE and I like the sound of my exhaust much more now.
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02-25-2015, 12:56 PM	#1454
kolhozbrothers Lieutenant 53 Rep 451 Posts Drives: 2009 335i Join Date: Nov 2014 Location: Naples, FL iTrader: (1)	^ guys, why would you buy an aftermarket exhaust when you can do this mod? most aftermarket exhaust sound ricerish.
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02-25-2015, 05:10 PM	#1456
psmitty95 Brigadier General 581 Rep 4,393 Posts Drives: '23 M340i xDrive Join Date: Jan 2012 Location: Boston, MA iTrader: (11)	Alright guys got a question for you... I'm gonna be doing this soon and trying to figure it out. Right now I have stock E90 Exhaust with a secondary cat delete. My concern is the secondary cat delete and it sounding like shit. I know I need an x-pipe to replace the resonator but should I get rid of the secondary cat delete and put vibrant resonators or something there so it doesn't rasp? Edit: Basically what i'm asking is if anyone has done the recommended setup (x-pipe for e90, outer pipes replaced) with a secondary cat delete? I hate rasp so would hate to do all of it then have to throw in resonators or something because it's too raspy __________________ < Click picture for photoshoot E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ Last edited by psmitty95; 02-25-2015 at 05:17 PM..
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02-27-2015, 09:58 AM	#1464
still in school Private First Class 3 Rep 108 Posts Drives: e92 335i Join Date: Nov 2014 Location: Houston, Tx iTrader: (3)	with the driver's side exhaust valve closed on cold starts, is it quieter? Just as in the stock form?
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02-27-2015, 06:54 PM	#1471
Conti. Lieutenant 86 Rep 488 Posts Drives: 16' Azurite F80 M3 Join Date: Aug 2013 Location: CT iTrader: (0) Garage List 2016 M3 [0.00]	Nope, haven't put my hand behind the exhaust but with the flap closed on cold start you can see all the exhaust going out the pass side and not the drivers side. Even with both sides modded it should still have the same effect and quiet the tone down it just won't quiet it down as much to normal non modes tones
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03-04-2015, 01:41 AM	#1474
Dave2013 Second Lieutenant 15 Rep 223 Posts Drives: 335i Join Date: Sep 2013 Location: Midlands iTrader: (0)	to save me reading 68 pages and because some of the links no longer work: 1. did anyone open up a PE exhaust, if so what did they find? 2. did we agree on a method to make the OEM one sound like a PE? 3. what do I need to do for my 2007 335i M Sport to make it work? 4. did anyone find someone in the UK to do this and found it doesnt just give off a rubbish sound? Thanks Dave
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