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thanks guys - this is terrible news if implemented
It's much ado about nothing.
The same people who complain about the sound difference between a GPF and non-GPF car are the same folks who incessantly complain about the turbo lag in the 992.
Yes, it's present (the sound difference and the turbo lag) but it is so imperceptible that not only is it irrelevant, but has essentially evolved into an Internet fabrication made wholly to keep Internet traffic at a steady pace.
A 0.003 g/mi PM standard began in 2017. Presently, 2020 Model Year 911’s were certified at 0.000 g/mi PM per CARB E.O. A-019-0271-1 (see pg 3 of the attached). Eventually California will require PM emissions to be less than 0.001 g/mile starting in 2025. A gradual phase in from the 2017 0.003 g/mile standard to a 0.001 g/mile standard in 2025 is and has been taking place. The rate of the phase-in, from the manufacturer’s point of view, is dependent on a number of variables. Many of these variables have to do with manufacturer’s fleet size and the types of vehicles that make-up of that fleet. In any case; based on the present and future standards for PM emissions, along with the current CARB certified level for 2020 Model Year 911’s at 0.000 g/mile, I seriously doubt a Gasoline Particulate Filter is likely in the 911’s future, here in the USA.
The same people who complain about the sound difference between a GPF and non-GPF car are the same folks who incessantly complain about the turbo lag in the 992.
Yes, it's present (the sound difference and the turbo lag) but it is so imperceptible that not only is it irrelevant, but has essentially evolved into an Internet fabrication made wholly to keep Internet traffic at a steady pace.
Have you heard both back to back? I'm reserving judgement. I saw some videos of the 718 vs 981 GT4 and the difference in sound was pretty stark.
No one seems to know whey they are being held up. I can't believe that there'd be so little coordination between manufacturers and regulators that cars already produced would need to be modified in any way at ports. You'd think that the process would happen well in advance so that the manufacturer can fully test any changes required at the factory, to ensure specified and promised performance, emissions and reliability criteria are met. Companies like Porsche don't just get under the cars with a wrench when they get offloaded to the port and start dicking with them...surely...?
No one seems to know whey they are being held up. I can't believe that there'd be so little coordination between manufacturers and regulators that cars already produced would need to be modified in any way at ports. You'd think that the process would happen well in advance so that the manufacturer can fully test any changes required at the factory, to ensure specified and promised performance, emissions and reliability criteria are met. Companies like Porsche don't just get under the cars with a wrench when they get offloaded to the port and start dicking with them...surely...?
1) There is still a global pandemic going on.
2) You’d be surprised re dicking.
I've heard them (with and without) in a Ferrari 812. Granted its a V12, but I found no discernable difference.
And from what I am told there is no real difference in the 991 Speedster for those NA cars with a mesh and the ROW with the OPF or GPF.
From watching many video reviews, the 992 appears to sound significantly worse outside the US. Different mics and what not but the difference is pretty significant.
From what I've read 718 GTS 4.0 does not have a particulate filter. It has a 'fake' one with piping but not the actual filter. Again, US cars appear to sound significantly better in videos.
CarWow compared the RS4 Avant with and without the filter and it's a huge difference. 13 min mark in video below.
From watching many video reviews, the 992 appears to sound significantly worse outside the US. Different mics and what not but the difference is pretty significant.
From what I've read 718 GTS 4.0 does not have a particulate filter. It has a 'fake' one with piping but not the actual filter. Again, US cars appear to sound significantly better in videos.
CarWow compared the RS4 Avant with and without the filter and it's a huge difference. 13 min mark in video below. https://youtu.be/3AyakgPZTZg
The difference on Audi’s seems especially noticeable.
Maybe the US cars won't ever come with them because I read on one of those UK based car magazines that GPF costs a bit more for the manufacturers to implement....it's a way to cut costs right? .....side note will the 992.2 launch for the 23 MY or the 24 MY?
Maybe the US cars won't ever come with them because I read on one of those UK based car magazines that GPF costs a bit more for the manufacturers to implement....it's a way to cut costs right? .....side note will the 992.2 launch for the 23 MY or the 24 MY?
991.1 run in the US was 2012-2016, with 992.2 running 2017-2019.
If the precedent holds, you can expect to see the 992.2 in 2025, perhaps 2024 at the earliest.
991.1 run in the US was 2012-2016, with 992.2 running 2017-2019.
If the precedent holds, you can expect to see the 992.2 in 2025, perhaps 2024 at the earliest.
Again...IF the precedent holds. We’ll see.
That sounds about right...I got my years confused for a second. Porsche will most likely follow the 991 trajectory... the 997 was more evenly split between .1 and .2 models with four MY for each version (997.1 2005-2008, 997.2 2009-2012).
That is disappointing....I was hoping they would at least wait until the 992.2. I drove a 20 C63S earlier this year and the exhaust was clearly less "menacing" with the GPF versus the older MYs with the same M177 engine. Although, it was only noticeable when hammering it.
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