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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 03-16-2004, 06:59 PM   #1 (permalink)
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Hi guys, a few months ago I picked up a 2003 E39 540i Sport, 6spd. The car is definitely a tire burner, but I'd like to open up the exhaust. I noticed it has true dual exhaust, with two front catalytic convertors, and then an enormous muffler assembly thingy behind the differential. Also, behind the bumper, why are there two mufflers. If I were to remove one of the rear mufflers, how loud would the car be?

thanks,
Chris
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Old 03-17-2004, 09:59 AM   #2 (permalink)
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ttt, can anyone help me?
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Old 03-18-2004, 07:47 PM   #3 (permalink)
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TO THE TOP, is there any tech information here, or is there a better forum out there that discusses more than body kits and boomboxes...
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Old 03-18-2004, 09:35 PM   #4 (permalink)
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Welcome sideways. Don't hate the forums, this is actually a really good board. We're glad you're here, now lets see if we can help.
Personally I wouldn't recommend removing the muffler(s). I would opt for an aftermarket cat-back assembly, this will sound the best and keep the decible levels down.
I hope you enjoy your car, you made a great choice !

EX
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