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Author Topic: Has Anyone Modded Their Stock Exhaust?  (Read 8063 times)

16v of Fury

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Has Anyone Modded Their Stock Exhaust?
« on: May 27, 2007, 10:12:25 PM »
Have any of you modded your stock exhausts?

As in, cut off the stock muffler and welded a new one on... ?  IE. Magnaflow?
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Abrax

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Has Anyone Modded Their Stock Exhaust?
« Reply #1 on: May 28, 2007, 05:42:09 AM »
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Alpine003

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Has Anyone Modded Their Stock Exhaust?
« Reply #2 on: May 29, 2007, 12:34:16 AM »
I have a natural modification in terms of a very small rust hole in my muffler. Doesn't sound raspy and sort of sounds Ferrari-esque! :cool: ;)
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318kid

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Has Anyone Modded Their Stock Exhaust?
« Reply #3 on: May 29, 2007, 03:42:45 PM »
I've modded mine, everything is stock except for the muffler because theres a glass pack back there. The sound has changed alot, its got a nice burble at idle, but it just gets a little raspy at the top end. I like it and it's not too loud, ill try to get a sound clip soon.
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e9nine

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Has Anyone Modded Their Stock Exhaust?
« Reply #4 on: May 29, 2007, 03:57:01 PM »
Quote from: 16v of Fury;26672
Have any of you modded your stock exhausts?

As in, cut off the stock muffler and welded a new one on... ?  IE. Magnaflow?
...remember driving my 318iS, it has a Magnaflow :rolleyes:
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automatic

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Has Anyone Modded Their Stock Exhaust?
« Reply #5 on: May 29, 2007, 05:01:53 PM »
I have a dynomax welded on to my exhaust. Its a drastic improvement over the Bosal OEM equivalent muffler I had previously but its not a desirable sound in my opinion. Given the options out there I think this is the best bang for your buck, considering you are not going to get any noticeable power gains by going with a more expensive aftermarket setup.
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16v of Fury

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Has Anyone Modded Their Stock Exhaust?
« Reply #6 on: May 29, 2007, 06:08:54 PM »
Quote from: e9nine;26791
...remember driving my 318iS, it has a Magnaflow :rolleyes:


It does?  I didn't know that!

Did you just weld on a Magnaflow muffler?  Or build an entire system... ?

I was thinking about just welding on a replacement (as in, LOUDER + MORE FUN) muffler :D
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oldtimer

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Has Anyone Modded Their Stock Exhaust?
« Reply #7 on: May 29, 2007, 10:09:10 PM »
Okay, I was not going to tell on myself in here but since we are talking exhaust I guess I will.  I took my entire exhaust system out, from the down "Y" pipe and replaced the entire system with 2 1/2 pipe straight back to the muffler.  The muffler is a "Dynomax" straight through designed.  Nice sound at idle, and while up shifting.  Man if you get on the gas it reminds me of an Indy car up shifting.  If only I was good with video I will get a sound check and post it.  By the way, the weight difference from the entire unit like the one posted to the what I installed.   The stock cats themselves weigh more than the entire system I installed pipe and muffler together. I will take photos and will post them tomorrown.
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Shocker

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Has Anyone Modded Their Stock Exhaust?
« Reply #8 on: May 29, 2007, 10:38:59 PM »
Quote from: oldtimer;26818
 The stock cats


Theres only one Catalytic converter on E30 M42.
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Alpine003

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Has Anyone Modded Their Stock Exhaust?
« Reply #9 on: May 29, 2007, 11:06:17 PM »
Call me old or something but unless my car is somewhat fast or powerful, I feel embarassed if I had a loud system and no power to back it up.

I'd rather have a quiet system so if I beat some Honduh ricer, it makes them feel that much worse thinking I had a stock drivetrain. At the same time if I'm really trying to beat someone off the line and lose, it's a saving grace knowing the other driver might not have been sure if I was really trying or not based on the quiet sound.

Now on the other hand, if a performance muffler really gave 10hp or more on our m42 motors, I might have to think about it...

As for the weight issue, I don't run any rear speakers, seat belts, and spare tire. I run a smaller battery and the Slime kit is pretty handy. Some of that is obviously gained back by my rear wing. ;)
« Last Edit: May 29, 2007, 11:08:53 PM by Alpine003 »
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e9nine

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Has Anyone Modded Their Stock Exhaust?
« Reply #10 on: May 30, 2007, 08:06:24 AM »
Quote from: 16v of Fury;26799
It does?  I didn't know that!

Did you just weld on a Magnaflow muffler?  Or build an entire system... ?

I was thinking about just welding on a replacement (as in, LOUDER + MORE FUN) muffler :D
It's just a muffler welded on.

Quote from: Alpine003;26823
Call me old or something but unless my car is somewhat fast or powerful, I feel embarassed if I had a loud system and no power to back it up.

I'd rather have a quiet system so if I beat some Honduh ricer, it makes them feel that much worse thinking I had a stock drivetrain. At the same time if I'm really trying to beat someone off the line and lose, it's a saving grace knowing the other driver might not have been sure if I was really trying or not based on the quiet sound.

Now on the other hand, if a performance muffler really gave 10hp or more on our m42 motors, I might have to think about it...

As for the weight issue, I don't run any rear speakers, seat belts, and spare tire. I run a smaller battery and the Slime kit is pretty handy. Some of that is obviously gained back by my rear wing. ;)
OLD MAN :D j/k I see where you're coming from. My car scoots somewhat proportional to the noise level.
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gearheadE30

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Has Anyone Modded Their Stock Exhaust?
« Reply #11 on: May 31, 2007, 04:38:26 PM »
I have a Bosal "OEM replacement" but it is REALLY loud and raspy plus it has a rattle at 3k rpm. Looking into a Supersprint cat-back as it is the best sounding one I have heard.

Out of curiosity, does anyone have a full dual exhaust? I know it is a bit useless on a four-cylinder, but was ondering how the sound was. In fact, an   E30 325is or *maybe* an M3 system might fit. Any ideas?
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K V N

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Has Anyone Modded Their Stock Exhaust?
« Reply #12 on: May 31, 2007, 05:31:59 PM »
What is the size of the stock piping, is it 2.25?
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jpod999

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Has Anyone Modded Their Stock Exhaust?
« Reply #13 on: May 31, 2007, 10:45:13 PM »
I think so.
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gearheadE30

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Has Anyone Modded Their Stock Exhaust?
« Reply #14 on: June 01, 2007, 03:32:08 PM »
Yes, it is 2.25 all the way through
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1991 318is Turbo
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