exhuast piping size... - BMW Forum - BimmerWerkz.com
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 02-22-2004, 05:35 PM
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hey guys im looking into buying a new muffler (one that gives me some sound) for my car, and i need to know what size inlet to get? Is my car stock 2.25 or 2.5 Also if its 2.25 could a 2.5 inlet muffler be welded on there, or would i have to get 2.5 piping fromthe cat back for this muffler to work! thanks for the help!

David
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#2 (permalink) Old 02-22-2004, 10:40 PM
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Go out to your 318 (it is a 318, right?) and measure it.
If you get a muffler with a bigger inlet, that is OK.
Take it to a muffler shop and they will make it fit.
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#3 (permalink) Old 02-23-2004, 12:45 AM
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Quote:
Originally posted by Mattitjah@Feb 22 2004, 11:20 PM
Go out to your 318 (it is a 318, right?) and measure it.
If you get a muffler with a bigger inlet, that is OK.
Take it to a muffler shop and they will make it fit.
thanks dude, thats what i figured but i didnt know if it was the same for all bmws, but you say take it to a muffler shop and they will make it fit how do they do that? just an adapter or what? or just by welding?

David
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#4 (permalink) Old 02-23-2004, 01:31 AM
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why not buy a kit from a bimmer tuner? they come with all the pipes already; no need to worry about size.

<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
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#5 (permalink) Old 02-23-2004, 01:35 AM
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thats the other option but the money there... is rather spendy.... but you get what you pay for, are you talking like some catback? its hard to find catback for a 318 too! but if you can help that would be great! thanks!

David
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#6 (permalink) Old 02-23-2004, 01:43 AM
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i was looking at mufflers like this... these are just off ebay and are examples! but these two would give me sound right? like modified exhuast sound.... but of course no HP gain!

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...&category=33636

and

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...&category=33636

thanks

David
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#7 (permalink) Old 02-23-2004, 01:53 AM
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bmpd carries a good selection of catback exhausts for the 1.8L, you should check them out.

Those ebay mufflers will also change the sound, but the quality is definitly lacking.

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#8 (permalink) Old 02-23-2004, 11:15 AM
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Quote:
Originally posted by bigred318+Feb 23 2004, 01:25 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (bigred318 @ Feb 23 2004, 01:25 AM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin-Mattitjah@Feb 22 2004, 11:20 PM
Go out to your 318 (it is a 318, right?) and measure it.
If you get a muffler with a bigger inlet, that is OK.
Take it to a muffler shop and they will make it fit.
thanks dude, thats what i figured but i didnt know if it was the same for all bmws, but you say take it to a muffler shop and they will make it fit how do they do that? just an adapter or what? or just by welding?

David[/b][/quote]
They will make it fit with an adapter. If you are going for one of the two you posted from eBay, do the first one. It will give you the M3 look. But it might reqire some cutting of the bumper skirt.
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#9 (permalink) Old 02-23-2004, 11:45 PM
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yeah i was looking at the top one too! but it says itll give my car a high pitch noise like a porshce or ferrari... i dont really want that sound from it waht do you guys say...

David
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#10 (permalink) Old 02-24-2004, 12:18 AM
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actaully i just found this one too! i kind of like the dual tips that curl up! Im just realy afraid of buying a muffler that sounds like a little ricer honda going down the road you know what i mean? Can you tell by looking at a muffler if it will deliver that sound? Cuz if this one looks like itll do that! i dont want it!

David
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#11 (permalink) Old 02-24-2004, 12:39 AM
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There's really no way to tell unless you have heard one in person. it very well could sound like a can of bees, or it could sound deep. Since we're talking about 1.8, the odds of bees are high.

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#12 (permalink) Old 02-24-2004, 12:44 AM
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so el presidinte would buying a catback exhuast system from like bmpdesign be a better choice, and pretty much eliminate my chances of getting a can of bees..

David
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#13 (permalink) Old 02-24-2004, 01:48 AM
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hey what about this exhuast its just for my car.... it looks stock.... but will it change the sound of my car at all or not? i want kind of loud deep sporty you know! also what are the HP gians from this!

DAvid

http://www.electrodyne.cc/search_engine_in..._14_42_361.html
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#14 (permalink) Old 02-24-2004, 08:51 AM
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Any of those pep boys style mufflers are gonna give you that sound. If its cheap its gonna sound cheap.

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#15 (permalink) Old 02-24-2004, 01:23 PM
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that catback system would change the sound and probaly wouldnt sound as bad as the ebay parts. I dont know thr HP gains on it though.

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