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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > My New $130 Exhaust Mod



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      12-14-2007, 12:04 PM   #1
Fraggy
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My New $130 Exhaust Mod

What do you think? Does it even make a significant difference?
Outside Sound, Reving

In Car, driving around
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      12-14-2007, 02:02 PM   #2
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yes its noticably different from stock, what exactly is your mod?
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      12-14-2007, 02:29 PM   #3
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sounds nice what'd u do, remove something in midpipes?
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      12-14-2007, 02:42 PM   #4
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I would be interested in hearing it under WOT.
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      12-14-2007, 03:34 PM   #5
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For this price, you must have welded a straight pipe through the resonator box or cats.
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      12-14-2007, 04:31 PM   #6
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Quote:
Originally Posted by retrodrive View Post
For this price, you must have welded a straight pipe through the resonator box or cats.
Ding Ding Ding!!! Removed the resonator, but I have since put it back. While the sound is 'nice', its not quite what I was looking for. Sadly, the car is quieter now, with the resonator installed, but the tone is better and more livable.

While there is nothing wrong with the mod, I was hoping for more of a "coupe" type sound which I didnt achieve. At lower rpms, it kinda has the sound of a motorboat... its not throaty enough.

Its cool, was a nice experiment with no harm done and not much money spent

Maybe someone will hear this and find it something they would like to have.
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      12-15-2007, 08:58 PM   #7
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I would try deleting secondary cats and keeping the stock resonator box. Look for Mr 5s project.
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      12-15-2007, 11:51 PM   #8
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Quote:
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I would try deleting secondary cats and keeping the stock resonator box. Look for Mr 5s project.
Yes, Ive been keeping an eye on Mr. 5s project. I dont think Im hardcore enough to delete anything that would impact emissions, but Im all for a good axle back mod.

I had Eisenmann Race on my E90 325, but Im not sure what to do for this car, and the idea of forking out 1600$ for a muffler drives me insane

I wish I could have heard your car in person before you did the piping mods, Im sure that would have motivated me to get Eisenmann again, or maybe even Bastuck.
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      12-18-2007, 02:15 AM   #9
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if you have AT anything that removes the resonator and or 2ndry cats will drone.
i've done it all!
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      12-18-2007, 03:31 AM   #10
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what kind of camera are you using?
 
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      12-18-2007, 11:02 AM   #11
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Quote:
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what kind of camera are you using?
A Sony HD, I dont remember the model number off hand.
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