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Going back to Stock Mufflers. Too LOUD. Going back to Stock Mufflers. Too LOUD.
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  #1  
Old 01-30-2010, 12:40 PM
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Originally Posted by TQ2K View Post
It'll still be raspy.... Swap out the straight pipes with x-pipes and it'll be throatier...

Will it be loud still ? ? Cause i drive the car EVERYDAY and its get to a point where i want to pull over and tear the whole thing out.
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Old 01-30-2010, 01:01 PM
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Originally Posted by BMWX54.4 View Post
Will it be loud still ? ? Cause i drive the car EVERYDAY and its get to a point where i want to pull over and tear the whole thing out.
Tamed compared to your current setup.
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Old 01-30-2010, 01:14 PM
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Originally Posted by TQ2K View Post
Tamed compared to your current setup.

I thinking bout putting my stock exhaust back on see how it sounds and if it's still annoying ima put a X-Pipe.
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Old 01-30-2010, 01:19 PM
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Originally Posted by BMWX54.4 View Post
I thinking bout putting my stock exhaust back on see how it sounds and if it's still annoying ima put a X-Pipe.
I had the same setup initially as I built my exhaust setup in stages... The stock mufflers with straight pipes developed a drone in the cabin which was really annoying and it's why I then ended up with stock mufflers with x-pipe.

I since have replaced my stock mufflers with Supersprint exhaust and very happy with the results. But it's louder/throatier compared to stock mufflers.
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Old 01-30-2010, 02:02 PM
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Originally Posted by TQ2K View Post
I had the same setup initially as I built my exhaust setup in stages... The stock mufflers with straight pipes developed a drone in the cabin which was really annoying and it's why I then ended up with stock mufflers with x-pipe.

I since have replaced my stock mufflers with Supersprint exhaust and very happy with the results. But it's louder/throatier compared to stock mufflers.
Do you still have your Stock 4.8 Mufflers ? ? ?
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Old 01-30-2010, 02:17 PM
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I did the same thing except I removed the rear mufflers and let the resonator in. I had the same problem where it was getting very annoying so I went back and installed two of these small glass packs. The car sounds very nice and not to loud on the inside but on the outside sounds very nice. By the way I have the l6. Hope this help.

Valentin

These are the glass packs I installed:
http://static.summitracing.com/globa...sum-630810.jpg
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Old 01-31-2010, 08:18 PM
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Originally Posted by valex9499 View Post
I did the same thing except I removed the rear mufflers and let the resonator in. I had the same problem where it was getting very annoying so I went back and installed two of these small glass packs. The car sounds very nice and not to loud on the inside but on the outside sounds very nice. By the way I have the l6. Hope this help.

Valentin

These are the glass packs I installed:
http://static.summitracing.com/globa...sum-630810.jpg
An I6 exhaust will sound NOTHING like a V8's, so your post is kind of mute. When the Magnaflow 14815/14816 mufflers started becoming a popular mod on the 5/7 forums, many 525/528/530 guys complained about the drone from using the mufflers, while 540/740/M5 guys loved them. You're comparing apples and oranges.
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Old 01-31-2010, 08:21 PM
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Originally Posted by BMWX54.4 View Post
Do you still have your Stock 4.8 Mufflers ? ? ?
The mufflers aren't your problem man, it's those stupid straight pipes you put in! Your a plumber, not an engineer, so quit screwing w/ your exhaust by changing how it was designed to flow correctly after removing your resonator. Put the resonator back in, or buy an x-pipe off ebay for $50 and put that in. Get rid of the damn straight pipes.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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Old 02-01-2010, 07:18 PM
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Quote:
Originally Posted by m5james View Post
The mufflers aren't your problem man, it's those stupid straight pipes you put in! Your a plumber, not an engineer, so quit screwing w/ your exhaust by changing how it was designed to flow correctly after removing your resonator. Put the resonator back in, or buy an x-pipe off ebay for $50 and put that in. Get rid of the damn straight pipes.

your thoughts on straight pipes on a 4.8is? same?
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