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Quad Exhaust

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Old 10-21-2010, 11:58 AM
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Does anyone have stock BMW M5 exhaust system on BMW 545i ??? I'm going to do that... what do you think guys? what is pros and cons?
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Old 10-21-2010, 12:01 PM
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You're going to have a problem fitting the muffler on the passenger side due to the battery.
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Old 10-21-2010, 12:01 PM
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Alot of people ask this question but if I'm correct it won't fit any non-m e60
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Old 10-21-2010, 12:08 PM
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Originally Posted by DKNewYork
You're going to have a problem fitting the muffler on the passenger side due to the battery.
Can you show me the pictures of your car from the bottom? Please if you have post it... Thanks
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Old 10-21-2010, 02:33 PM
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Originally Posted by Shark
Can you show me the pictures of your car from the bottom? Please if you have post it... Thanks
Quad Exhaust-dsc01207.jpg
Quad Exhaust-dsc01211.jpg

My setup

Quad Exhaust-dsc01210.jpg
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Old 10-21-2010, 09:06 PM
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DKNewYork Thanks man

So how can I do quad my 545? What is the best way to do... Should I remove the Resonator?
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Old 10-22-2010, 09:14 AM
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replacing resonator with X-Pipe and straight pipes will lose any hps or not?
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Old 10-22-2010, 03:49 PM
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You can run a dual in dual out magnaflow muffler followed by round canister resonators then out to tips. The main muffler will replace the factory unit that is right before the rear axle.
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Old 10-23-2010, 01:57 AM
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Guys what is the sizes of the pipes (inlets) of resonatores?
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Old 10-23-2010, 07:37 AM
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I believe the factory exhaust piping on the 545i is 2.25"
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