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2021 Atacama F-Pace SVR
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Just found on the USA spec sheet where it says the gasoline particulate filter comes standard :( this isn’t just a bummer because of the sound but I’ve read where it affects performance as well..
I drove me buddy's 2020 SVR and then drove mine back to back. The 2020 definitely has a lot more holligan character from a sound perspective. My 2021 sounds like its been detuned in comparison. I assume its in the exhaust and possibly the bypass exhaust gates only open when you have the pedeal to the medal.
 

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2021 Atacama F-Pace SVR
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View attachment 73755

For what it's worth I asked Jaguar (via Instagram) this specific question prior to ordering my '21 SVR. he stated that we do not have the particulate filter in the US, but rather the sound is related to newer US noise regulations. this makes sense. my SVR gets plenty loud in the right rev ranges.
As expected. I suspect a slight de-tune to control the pops and gurgles especially at lower RPMs and a software change to limit the opening of the exhaust valves. I need to locate the exhaust valves and mount a GoPro to monitor their operation during different driving conditions.
 

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2021 Atacama F-Pace SVR
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got the valves open permanently and it certainly sounds more aggressive in the lower rev ranges. More pops and bangs as well. No error codes or anything of that nature. Only thing is they're not fully open, they're open about halfway. I'm going to do some more testing to see if I can get them open fully.
That's great news. What did you do?
 

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2021 Atacama F-Pace SVR
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What you’re going to want to do is get up under the rear exhaust. Adjacent to where the valve is located on the outside of the pipe you’re gonna find an electronic connection. You’re gonna find a little red tab, get a tiny screwdriver or if your fingers are small enough push that tab in. Once it’s pushed in youre going to pull it to ensure it’s fully extended. Then right underneath that you will feel a plastic tab that you depress which will allow you to pull and disconnect the valve connector. Now that you know how to do it, plug it back in but leave everything ready to be disconnected again. Do the same to the other side. Then you’re gonna wanna turn on your vehicle and make sure it’s in dynamic and drive around for 5 mins or so to let it warm up and allow the valves to open. Take it back home and do not turn it off, make sure that auto stop start is off. Get out and put some gloves on so you don’t burn yourself on the exhaust, look down the pipes to ensure both valves are open and then quickly disconnect each connector. Wrap them in electrical tape and fasten them in place and boom your valves will stay open until you plug the connectors back in. I wasn’t able to get mine to open completely only about halfway. However, I haven’t really tried again so maybe try driving it for a bit longer or give it some aggressive pulls and see if that opens the valves completely before you unplug the connectors.
Thanks for this. Very helpful!

Without power, you should be able to positiong the valves manually to fully open?

If the ECU doesn't check valve position, then I should be able to run power to the valve through a SPST switch. This will allow the valve to power full open, though I wonder if the valve provides feedback that it is fully open / closed (limit switch)? If it does, I would have to install relay to kill power once fully open / closed to keep from burning up the electric motor.
 

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I thought the same thing, I fiddled with them for about 10 minutes last night trying to get them fully open and I’m pretty sure they’re spring loaded. At least that’s what it felt like because I used a long metal stick to apply pressure and was able to get them fully open but as soon as pressure was released it would go back to pretty much the same spot.
That would be super convenient! If you’re able to do that I’m gonna need a bit of a tutorial because I know what the switch and relay are but I have no idea how you’d get it to open the valves.
If they are spring loaded, they must need power to remain fully open, so I assume keeping them powered all the time (only when the vehicle is running) won't hurt them.

Off the cuff, running a ignition switched 12VDC source through a SPST switch to the valve should suffice. I would probably get sued if I posted a schematic on how to do this, but your welcome to PM me. In the interim, I am going to look for schematics for the valve and/or purchase a used valve.
 
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