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Old Feb 3, 2020 | 11:53 PM
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DXB992
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Default Exhaust question

I really hate the muffled sound of the OPF filters, are they located in the down pipes? can they easily be removed by installing catless down pipes?

Thanks
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Old Feb 4, 2020 | 12:35 AM
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Originally Posted by DXB992
I really hate the muffled sound of the OPF filters, are they located in the down pipes? can they easily be removed by installing catless down pipes?

Thanks
The US Market 2020 992s don't have them and as a result, sound better than the European cars. Porsche has indicated that all new 911s will eventually have them. The new Turbo/Turbo S cars are confirmed for particulate filters in the US.
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Old Feb 4, 2020 | 02:52 AM
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I am in the middle east, which follows european spec, thus the particulate filter unfortunately.
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Old Feb 4, 2020 | 03:17 AM
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Actually I noticed the difference EU vs USA from some videos: it changes a lot!!!!
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Old Feb 4, 2020 | 11:32 AM
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I would love to hear a comparison with the same camera if that was remotely possible haha
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Old Feb 4, 2020 | 11:43 AM
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Originally Posted by Principissimo
Actually I noticed the difference EU vs USA from some videos: it changes a lot!!!!
I watched a video of a Euro spec GT4. Depressing. Sounds like sh*t. The original GT4 was a beautiful sounding machine.

I believe OPF are in the secondary cats; so that makes it challenging to remedy.

This generation in the US may be the last decent sounding 911.
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Old Feb 4, 2020 | 05:01 PM
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I don't doubt for a second that the non-GPF cars sound 'better' than our UK/EU counterparts, but I was surprised just how poorly the mic picked up sound when I recorded mine.

There is a significant bark on a cold start-up for example, which, being the child I am I asked my girlfriend to record one morning. When I played it back it sounded far shi**er than it does to the naked ear.

Just a thought.
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