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      06-04-2015, 02:30 PM   #1
335gofast
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Replacing OEM Muffler with after market muffler

Hi all;

I want to change the sound of my e92 m3, but also don't want to spend a lot of money on it. I had looked through the DIY OEM muffler mods, but was thinking would below idea also work?

[IMG][/IMG]

Red line indicates the cuts. Basically, removing the entire oem muffler, cut and weld the after market muffler at the end of the pipe, an extension pipe might needed.

Since the after market one doesn't have any mount, I will cut off the two hooks (red box) and weld them on each new muffler.

What you guys think? Please let me know!

Always fun to DIY work on your car
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      06-04-2015, 05:11 PM   #2
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I've heard those ebay mufflers have very thin walls. You'll need to put hangers on them to hit the factory mount points, and I've heard the welds will break through the housing very easily. You can find a used Megan exhaust for around $400. Once you factor in the custom work, it'd just be better to go that route as it is full piping from the X-pipe back.
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      06-04-2015, 06:14 PM   #3
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Quote:
Originally Posted by 335gofast View Post
Hi all;

I want to change the sound of my e92 m3, but also don't want to spend a lot of money on it. I had looked through the DIY OEM muffler mods, but was thinking would below idea also work?

[IMG][/IMG]

Red line indicates the cuts. Basically, removing the entire oem muffler, cut and weld the after market muffler at the end of the pipe, an extension pipe might needed.

Since the after market one doesn't have any mount, I will cut off the two hooks (red box) and weld them on each new muffler.

What you guys think? Please let me know!

Always fun to DIY work on your car
Why not just go with the OEM mod? They are tried and true here on M3post and it's inexpensive. This kind of looks like you are doing something different for the sake of being different, but kudos for the idea. If you want to do it, go for it!
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      06-04-2015, 06:23 PM   #4
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Quote:
Originally Posted by kevin///mlee View Post
Why not just go with the OEM mod? They are tried and true here on M3post and it's inexpensive. This kind of looks like you are doing something different for the sake of being different, but kudos for the idea. If you want to do it, go for it!
do the oem exhaust mod and be done with it
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      06-04-2015, 06:27 PM   #5
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I'd have a shop just do the rest of the pipes instead of hacking the OEM muffler. Its good to have in case it sounds like $%&@ or if you sell the car later.
BTW I recently sold a Megan in excellent condition for $300.
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      06-04-2015, 06:41 PM   #6
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Your pic means trouble , just do the Oem. exhaust mod, it has proven many times it really works and sounds just amazing , I've done it for about 15 bucks => http://www.m3post.com/forums/showthread.php?t=733817
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      06-04-2015, 06:43 PM   #7
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If it's the tips you're after, you can just drill out the rivets and put on larger tips when doing the OEM mod.
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