SL-Class (R232) Discussion on the 2022 R232

SL/R232: Valve controller amg sl63

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Old Apr 29, 2023 | 01:41 PM
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Valve controller amg sl63

Has anyone else been able to install an active valve controller on their sl63 or even sl55 for that manner..

Curious to see if the sound gets a bit more present when leaving tthe valves open in any drive mode..

Have installed this on multiplmultiple Audi's and the sound was almost always 10 to 20% louder nicer

I will Receive my sl63 amg next Friday with opf/gpf hence Germany
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Old Apr 30, 2023 | 01:26 PM
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Originally Posted by nasir83
Has anyone else been able to install an active valve controller on their sl63 or even sl55 for that manner..

Curious to see if the sound gets a bit more present when leaving tthe valves open in any drive mode..

Have installed this on multiplmultiple Audi's and the sound was almost always 10 to 20% louder nicer

I will Receive my sl63 amg next Friday with opf/gpf hence Germany
I guess nobody has installed a valve controller yet to their exhaust...
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Old May 17, 2023 | 02:07 PM
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Originally Posted by nasir83
I guess nobody has installed a valve controller yet to their exhaust...

Not a single sl driver interested in finding out whether the exhaust valves actually stay completely open on s+ and race mode, or maybe only under a certain rpm range..
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Old May 17, 2023 | 06:40 PM
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Car sounds amazing so no one really cares. At this point id look for an exhaust swap if I wasn't satisfied
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Old May 17, 2023 | 07:31 PM
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I’m not totally satisfied with the exhaust. I’ll up the exhaust later when there’s more options available after market.
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Old May 18, 2023 | 10:47 AM
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I am definitely satisfied with the exhaust sound, im just curious to see when the valves actually open up.. coming from many Audi rs6 rs7 rsq8. The valves only open up in dynamic and even then only at a certain rpm range.. stupid european emission laws etc.. most likely this would be the same in the sl63 however in sport + and race mode i get the feeling the valves actually really open up
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Old May 24, 2023 | 06:12 PM
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Originally Posted by nasir83
I am definitely satisfied with the exhaust sound, im just curious to see when the valves actually open up.. coming from many Audi rs6 rs7 rsq8. The valves only open up in dynamic and even then only at a certain rpm range.. stupid european emission laws etc.. most likely this would be the same in the sl63 however in sport + and race mode i get the feeling the valves actually really open up
Perhaps won't be long until ASR/CETE etc. come up with a module?
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Old May 25, 2023 | 08:40 AM
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Originally Posted by W205C43PFL
Perhaps won't be long until ASR/CETE etc. come up with a module?
they've been available for at least 6 months already, hence my question if its actually worthwhile
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Old May 25, 2023 | 09:32 AM
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Originally Posted by nasir83
they've been available for at least 6 months already, hence my question if its actually worthwhile
I see, only one way to find out.

Not your car but here is an idea of how much valves open stock
I believe it is when you hit 5K+ RPM is when they fully open and you have to be in sport+ for example but once the car shifts the valves closes up again (not completely but closes up) as the RPM is below 5K.
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Old May 27, 2023 | 05:55 AM
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They sent me this link today. Looks promising
https://mail.google.com/mail/u/0/#se...htvdtHNSCXvVrL
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Old May 27, 2023 | 12:21 PM
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Originally Posted by JohnGigi
They sent me this link today. Looks promising
https://mail.google.com/mail/u/0/#se...htvdtHNSCXvVrL
Hmmm might be just me but link doesn't work.
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Old May 27, 2023 | 04:55 PM
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2022 AMG SL63
Sorry, try this one.

https://renntechmercedes.com/index.p...2022/sl-63-amg
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Old May 27, 2023 | 05:24 PM
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Originally Posted by JohnGigi
Hmmm, this link works but is there a reason not going directly the ASR route? RENNtech's Exhaust Valve Module from what I read is basically ASR rebranded and licensed to be sold in USA. https://asr-component.de/de/startsei...sl_63_amg_r232
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Old May 28, 2023 | 07:07 PM
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Originally Posted by W205C43PFL
Hmmm, this link works but is there a reason not going directly the ASR route? RENNtech's Exhaust Valve Module from what I read is basically ASR rebranded and licensed to be sold in USA. https://asr-component.de/de/startsei...sl_63_amg_r232
Indeed, at double the price, im 1 hour drive away from the asr guys who i know personally, asr a 300 euros / 350 dollars is almost half as expensive as this renntech product
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Old May 28, 2023 | 07:14 PM
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Originally Posted by nasir83
Indeed, at double the price, im 1 hour drive away from the asr guys who i know personally, asr a 300 euros / 350 dollars is almost half as expensive as this renntech product
Good to hear : )
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Old Jun 14, 2023 | 03:42 PM
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I guess im going to have to be the first 1 here to actually install 1 and write about it, will be installed friday afternoon
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Old Jun 14, 2023 | 04:09 PM
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Originally Posted by nasir83
I guess im going to have to be the first 1 here to actually install 1 and write about it, will be installed friday afternoon
Hopefully it all goes well.
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Old Jun 14, 2023 | 05:25 PM
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2022 AMG SL63
Just to clarify: are you doing only the valve controller; not doing a chip/tune or new exhaust system? I've always tried to follow the protocol of only doing one change at a time so you can evaluate each one more effectively, but will likely go the Full Monty since having to go to Houston or Austin pretty well sucks so once is enough.

Looking forward to your impressions.
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Old Jun 14, 2023 | 08:25 PM
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$350 is well worth it. Does that include install? Where is ASR?
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Old Jun 14, 2023 | 08:31 PM
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I will do asr valve module on Friday, asr is at an hour drove from where im at (musch germany) saturday im visiting their relatives called Asg sound who actually do exhaust modifications on the oem exhaust.. I reckon these 2 mods will bring the sound from decent to Good, as they did my rs6 rsq8 m3 m4 competition etc..
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Old Jul 1, 2023 | 10:28 AM
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Did you get it done yet? Review please.
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Old Jul 2, 2023 | 10:49 AM
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also want to hear an update from OP.
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