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2Addicts | BMW 2-Series forum Technical Topics N20 (228i) / B46 (230i) Engine, Transmission, Exhaust, Tuning Putting M235i exhaust and diffuser on 228i

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      02-23-2017, 08:38 AM   #1
LaCross
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Putting M235i exhaust and diffuser on 228i

Hey all,

What in all is required to fit an M235i exhaust onto the 228i? I'd like to fit that and the diffuser to have a dual exhaust
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      03-24-2017, 01:15 PM   #2
tonyec7
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trying to find this out too. from what ive seen, you can..i just want to hear a soundclip before I do it.
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      03-25-2017, 05:32 PM   #3
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Quote:
Originally Posted by tonyec7 View Post
trying to find this out too. from what ive seen, you can..i just want to hear a soundclip before I do it.
Don't know what the stock m235 exhaust will sound like but here is an 235 m perf fitted to 228i.

https://www.youtube.com/watch?v=eJsQ6TTxfek&t=14s
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      03-27-2017, 02:16 PM   #4
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I've got a stock one for sale if you guys are interested. I'm upgrading to M Performance.
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      11-30-2017, 10:56 PM   #5
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Hey guys, i have a 2014 bone stock 228 and i have a M235i muffler.

Planning on having-it fitted with the diffuser so i'll report and post a video on sound.

Where i think i want to go to make it a little more fun... is to use the "flap" side and drive a pipe to bypass the muffler. relocate the flap a little by doing so to keep the flow has optimal as possible...

The thinking behind it is to keep full comfort of the oem muffler, slightly better flow with bigger muffler, get the dual side looks and get the straight pipe sound in sport and sport+ full trottle.

Ill keep you posted on the project over winter if anyone is interested.
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      12-03-2017, 04:05 PM   #6
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i have a stock m235 muffler and diffuser if anyone needs it, pm me.
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      12-16-2017, 12:51 PM   #7
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How much are you asking?
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      12-18-2017, 06:41 AM   #8
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check out my car with the M perf exhaust!
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