2006 325i to Dual or Quad exhaust with bumper - BMW 3-Series (E90 E92) Forum

devitocoke · 05-17-2012, 01:53 PM

Has anyone done this?
I want to purchase a rear bumper for my 325i that will hold dual or quad exhaust. Also I want the dual or quad exhaust that is plug and play to fit that bumper.
In the front I would like M3 front - this is already available on eBay.

If you have done this please tell me how to accomplish this or point me to someone who can.

Delta0311 · 05-17-2012, 02:10 PM

Getting an OEM exhaust from a 335 would be no problem but the piping will not fit because the chassis setup is not the same.

see the diagram for 335
http://realoem.com/bmw/showparts.do?...83&hg=18&fg=10

In simple terms, 2 pipes come out from the engine and then connect to a center muffler. From that point they split via 2 pipes to two small exhausts.

now the 328/325
http://realoem.com/bmw/showparts.do?...11&hg=18&fg=20
Again you got two pipes coming off the engine and then eventually connecting to the center muffler. From that point you have one large pipe going to your single (all be it large) exhaust.

Up to the mid muffler the setup is similar but after that point you would need to do some modding to get a dual pipe setup.

devitocoke · 05-17-2012, 02:15 PM

I have seen 325i with it done. So i know it is possible. The best option would to purchase a solution from member that has it.

Delta0311 · 05-17-2012, 02:20 PM

Like I said before it will work but you will need to do some modfications first since your car's chassie is not setup to have dual exhausts. I personally don't think it's worth it, you won't get any gains from it.

shim! · 05-17-2012, 02:28 PM

In regards to the bumper: using the OEM 335i bumper would probably be the cheapest and simplest solution for you. If you're okay with spending a little extra, an M-tech rear a quad diffuser would be your best bet.

Exhaust wise, I'd recommend PMing user phozenstone. He's done the dual exhaust conversion on his N52 e92.

devitocoke · 05-17-2012, 07:23 PM

335i bumper seems the way to go, now i just need to make the 335i exhaust work.

05-17-2012, 01:53 PM	#1
devitocoke Bimmer Freak Drives: 2006 325i Join Date: Jan 2009 Location: Pembroke Pines, Florida Posts: 118 iTrader: (1)	2006 325i to Dual or Quad exhaust with bumper Has anyone done this? I want to purchase a rear bumper for my 325i that will hold dual or quad exhaust. Also I want the dual or quad exhaust that is plug and play to fit that bumper. In the front I would like M3 front - this is already available on eBay. If you have done this please tell me how to accomplish this or point me to someone who can.
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05-17-2012, 02:10 PM	#2
Delta0311 Colonel Drives: 07 BMW 328i E90 Join Date: Apr 2009 Location: NJ Posts: 2,347 iTrader: (1)	Getting an OEM exhaust from a 335 would be no problem but the piping will not fit because the chassis setup is not the same. see the diagram for 335 http://realoem.com/bmw/showparts.do?...83&hg=18&fg=10 In simple terms, 2 pipes come out from the engine and then connect to a center muffler. From that point they split via 2 pipes to two small exhausts. now the 328/325 http://realoem.com/bmw/showparts.do?...11&hg=18&fg=20 Again you got two pipes coming off the engine and then eventually connecting to the center muffler. From that point you have one large pipe going to your single (all be it large) exhaust. Up to the mid muffler the setup is similar but after that point you would need to do some modding to get a dual pipe setup. __________________ Jet Black 07 E90 328i. 20% tints, 6000k HID OEM US Xenon, H&R Touring Cup Kit, Euro Airbox intake, BMW performance exhaust, Eurocharged Tune, 3-stage intake manifold, 18in Beyern Silver mesh staggered rims.... Last edited by Delta0311; 05-17-2012 at 02:29 PM.

05-17-2012, 02:20 PM	#4
Delta0311 Colonel Drives: 07 BMW 328i E90 Join Date: Apr 2009 Location: NJ Posts: 2,347 iTrader: (1)	Like I said before it will work but you will need to do some modfications first since your car's chassie is not setup to have dual exhausts. I personally don't think it's worth it, you won't get any gains from it. __________________ Jet Black 07 E90 328i. 20% tints, 6000k HID OEM US Xenon, H&R Touring Cup Kit, Euro Airbox intake, BMW performance exhaust, Eurocharged Tune, 3-stage intake manifold, 18in Beyern Silver mesh staggered rims....

05-17-2012, 02:28 PM	#5
shim! Major General Drives: '08 e90 Join Date: Sep 2010 Location: 718 Posts: 5,962 iTrader: (5)	In regards to the bumper: using the OEM 335i bumper would probably be the cheapest and simplest solution for you. If you're okay with spending a little extra, an M-tech rear a quad diffuser would be your best bet. Exhaust wise, I'd recommend PMing user phozenstone. He's done the dual exhaust conversion on his N52 e92. __________________ alpinewhite&terra + not as much wheelgap

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05-17-2012, 02:15 PM	#3
devitocoke Bimmer Freak Drives: 2006 325i Join Date: Jan 2009 Location: Pembroke Pines, Florida Posts: 118 iTrader: (1)	I have seen 325i with it done. So i know it is possible. The best option would to purchase a solution from member that has it.

05-17-2012, 07:23 PM	#6
devitocoke Bimmer Freak Drives: 2006 325i Join Date: Jan 2009 Location: Pembroke Pines, Florida Posts: 118 iTrader: (1)	335i bumper seems the way to go, now i just need to make the 335i exhaust work.