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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 04-12-2005, 06:06 PM
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what size are the pipes that the exhaust is welded to? Want to buy a new exhaust, so I was wondering. I have a e36 94 325i.



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#2 (permalink) Old 04-12-2005, 07:02 PM
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Someone plz help, had trouble finding it on google, etc. Sooner the better, so I can buy a new exhaust and get it welded on!



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#3 (permalink) Old 04-12-2005, 08:25 PM
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what system are you looking into buying? a lot of people go with a "bolt" one catback exhuast

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#4 (permalink) Old 04-12-2005, 10:20 PM
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Quote:
Originally posted by bigred318@Apr 12 2005, 09:25 PM
what system are you looking into buying? a lot of people go with a "bolt" one catback exhuast

David
[snapback]331149[/snapback]


Yeah, are you doing something custom? The aftermarket exhaust systems are flanged like the OEM system and bolt together. The pipes are around 51mm in the rear. I know some people that have cut off the rear muffler and welded up a new one on the back. These have not worked out, way too loud.

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#5 (permalink) Old 04-13-2005, 10:01 PM
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custom.. Would need custom pipes that starts as one from muffler, then splits to 2 to bolt up. Most aftermarket ones, besides bolt on catbacks are single pipe not double like bmw muffler.



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#6 (permalink) Old 04-13-2005, 10:21 PM
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u need to get a 2 into 1 mufler.. if thats what your looking for

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stuff for sale on my e36.. CHeck it out!
http://www.bimmerwerkz.com/forum/aft...e36-49128.html
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#7 (permalink) Old 04-14-2005, 12:15 AM
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Quote:
Originally posted by 94BMW325i@Apr 13 2005, 11:01 PM
custom.. Would need custom pipes that starts as one from muffler, then splits to 2 to bolt up. Most aftermarket ones, besides bolt on catbacks are single pipe not double like bmw muffler.
[snapback]331981[/snapback]

You can get mufflers with two inlets. Do a search for them. You can buy mufflers for BMW with two inlets on Ebay. You can cut the existing pipes from the back of the OEM muffler and weld these on. I'm not sure you will be happy with the results. Is your budget not allowing you to purchase a cat-back or do you just want to experiment? Anyway, as I understand it, the pipes are 51mm, just over 2".

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#8 (permalink) Old 04-14-2005, 06:50 AM
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i'd rund down to the local exaust shop, and ask one of the welders there. Get a quote on what it would take for him to make something up for you. If thats the case get him to mandrel bend some pipes for you. They can usually get pretty creative under your car. Just make sure you check his quality of work, nothing is worse than getting your exaust finally put up, just for it to leak and you to assume thats the new system. good luck bro
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