GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

GL 450 Exhaust Question

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Old Oct 13, 2020 | 05:45 PM
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2008 GL450
GL 450 Exhaust Question

I have a 2008 GL 450, and I was wondering if I should do a muffler delete on it. I daily drive this vehicle to and from college. I have seen a couple of videos on youtube, but am not sure if it will cause a drone at highway speeds. Has anyone here done this or have any ideas whether or not this is something that I should do. I want to hear more of that great V8 sound, but in its stock form it sounds like a vacuum cleaner.
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Old Oct 13, 2020 | 05:48 PM
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NGL450 w/EORP, S550
Sure, sounds fun. If you do that it’ll sound awesome 1% of the time.

The other 99% of the time you’d wish you never did anything to it.

this is a couch on wheels, not a boy racer.

Maybe If you look at some ML63 exhaust components and see if those fit you’ll have something liveable.
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Old Oct 13, 2020 | 06:34 PM
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Originally Posted by Max Blast
this is a couch on wheels, not a boy racer.
Comment of the day.
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Old Oct 13, 2020 | 11:48 PM
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One option is to install an exhaust cutout. That way you can have it loud when you want loud and quiet when you want quiet.
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Old Oct 14, 2020 | 12:34 PM
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J.C. Whitney used to sell an exhaust Y with a gate. Open it for freeway cruising. The irony is for most vehicles cruising at speed there isn't much back pressure anyway.
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