C63 AMG (W204) 2008 - 2015
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c63 p31 vs oe tuned c63

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Old 07-05-2015, 04:22 PM
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2017 C63S coupe '09 C63, '15 Durango RT, '14 Jeep SRT8
Originally Posted by gzim335
question now is if p31 gains anything with a eurocharged v5 as most people don't feel a difference at all.
With just the tune you wont feel much. But once you put the headers in, you'll feel a big difference!
Old 07-05-2015, 04:38 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by w204nyc
With just the tune you wont feel much. But once you put the headers in, you'll feel a big difference!
so by you won't feel much u mean theres no gain or small gain?5whp? 10whp?over p31
Old 07-05-2015, 04:42 PM
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His car does not sound like it has any exhaust work done. I gained 100 whp with my longtubes and OE tune and I'm non-p31. I based line stock 380 on 93 pump with ROW's and mikes power pipe (straight pipe). The car is a beast with this set-up.

Last edited by Petakii63; 07-05-2015 at 04:54 PM.
Old 07-05-2015, 04:51 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by Petakii63
His car does not sound like it has any exhaust work done.
not sure how u can tell if he does or not with window open going wot the wind noise overpowers every noise recorded with my cellphone.
he does have primary n sec cat delete with stock resonator n muffler in place.
@mthis can confirm
Old 07-05-2015, 04:52 PM
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Originally Posted by gzim335
so by you won't feel much u mean theres no gain or small gain?5whp? 10whp?over p31
Yea I'd say between 5whp-15whp
Old 07-05-2015, 04:53 PM
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even after lth it wont make a dramatic different. u only gains solid 30-35rw with lth .
Old 07-05-2015, 04:55 PM
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Originally Posted by gzim335
not sure how u can tell if he does or not with window open going wot the wind noise overpowers every noise recorded with my cellphone.
he does have primary n sec cat delete with stock resonator n muffler in place.
@mthis can confirm
his got tune and stock exhaust decatted and filters. ither wise its got 190k miles or more .
Old 07-05-2015, 07:07 PM
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
I put an EC V4 tune on my 2010 C63 P31 and did not really feel much either but the throttle response was much better and the shifts felt much faster. I did a few before /after runs on my G-Tech in October 2013 at 10*C so the traction was very limited and I was not able to launch without spinning and having to lift and reapply throttle. I was no where close to good times but the runs did tell of an improvement over stock. My best of 4 runs stock was 12.924 @ 115.4mph and tuned my best of three runs was 12.742 @ 119.24mph. This indicates an improvement of .182 sec and 3.79mph with the EC V4 tune.

Maybe someone knows what hp increase this indicates on my car but I was happy with the results.
Old 07-05-2015, 08:01 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by Mort
I put an EC V4 tune on my 2010 C63 P31 and did not really feel much either but the throttle response was much better and the shifts felt much faster. I did a few before /after runs on my G-Tech in October 2013 at 10*C so the traction was very limited and I was not able to launch without spinning and having to lift and reapply throttle. I was no where close to good times but the runs did tell of an improvement over stock. My best of 4 runs stock was 12.924 @ 115.4mph and tuned my best of three runs was 12.742 @ 119.24mph. This indicates an improvement of .182 sec and 3.79mph with the EC V4 tune.

Maybe someone knows what hp increase this indicates on my car but I was happy with the results.
Almost 4mph increase in trap speed is huge from already p31 factory tune thats awesome
Old 07-06-2015, 03:05 AM
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[I]To clear some misunderstandings this car is OE TUNED AND PRIMARY AND SECONDARY CATS DELETED, I owned since brand new 09 OP car is running very healthy but I thought that I would edge him out since I'm catless, but did not happen, I had a CEL light on OP knew it and these are the CODES I got I believe if I did not have CEL on would be a dif story MAYBE, im not to good in specs of these cars but I can drive them good if someone have tune only run OP he is cool guy and would meet up anywhere in try state area, hope someone can come up and do few pulls with his car this way he gets better pic.

Last edited by Goni C63; 07-06-2015 at 03:14 AM.
Old 07-06-2015, 06:10 AM
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I agree with what others have said on my p31 I don't really see a difference with the EC v5 tune over stock other than the more sensitive throttle. Would love to do headers but probably never will due to smog checks and my warranty.
Old 07-06-2015, 07:30 AM
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Originally Posted by Goni C63



[I]To clear some misunderstandings this car is OE TUNED AND PRIMARY AND SECONDARY CATS DELETED, I owned since brand new 09 OP car is running very healthy but I thought that I would edge him out since I'm catless, but did not happen, I had a CEL light on OP knew it and these are the CODES I got I believe if I did not have CEL on would be a dif story MAYBE, im not to good in specs of these cars but I can drive them good if someone have tune only run OP he is cool guy and would meet up anywhere in try state area, hope someone can come up and do few pulls with his car this way he gets better pic.
Sup G. your cars a beast bro for the miles it has and abuse its got i cant believe it still runs how it does
Old 07-06-2015, 12:38 PM
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Originally Posted by gzim335
not sure how u can tell if he does or not with window open going wot the wind noise overpowers every noise recorded with my cellphone.
he does have primary n sec cat delete with stock resonator n muffler in place.
@mthis can confirm
Anyone can say they have any mod

His exhaust is stock


that's what 2nd cat delete sounds like

Last edited by avery.whss; 07-06-2015 at 12:42 PM.
Old 07-06-2015, 01:00 PM
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Originally Posted by avery.whss
Anyone can say they have any mod

His exhaust is stock

C63 v5 downshift acceleration - YouTube

that's what 2nd cat delete sounds like
Avery you're gonna lose this one. Check out Gonis account. He was one of the first to remove the primary cats. We are all from NY and we know each other. That video you posted is not sec cat delete. That has agency power exhaust. Check out his videos before that and you will see.
Old 07-06-2015, 01:25 PM
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Originally Posted by w204nyc
Avery you're gonna lose this one. Check out Gonis account. He was one of the first to remove the primary cats. We are all from NY and we know each other. That video you posted is not sec cat delete. That has agency power exhaust. Check out his videos before that and you will see.
no im not, because something isn't right with his C63, I have the exact same mods..minus i have a custom exhaust and a custom OEtune but i've walked 2 stage 2 M3's and a tuned stroker GTR and a few corvettes, yet this guy can't walk a stock C63? Lol...wat? I highly doubt a "p31" has more power then my friends r32 gtr 508vboxed verified whp

Last edited by avery.whss; 07-06-2015 at 01:44 PM.
Old 07-06-2015, 01:46 PM
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Originally Posted by avery.whss
Anyone can say they have any mod

His exhaust is stock

C63 v5 downshift acceleration - YouTube

that's what 2nd cat delete sounds like
thats my friends car. it has full exhaust. MBH headers and agency exhaust .

did u ever vbox u car 60-130?
Old 07-06-2015, 02:09 PM
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Originally Posted by avery.whss
no im not, because something isn't right with his C63, I have the exact same mods..minus i have a custom exhaust and a custom OEtune but i've walked 2 stage 2 M3's and a tuned stroker GTR and a few corvettes, yet this guy can't walk a stock C63? Lol...wat? I highly doubt a "p31" has more power then my friends r32 gtr 508vboxed verified whp
C63c p31 should make somehwere 420-430rw stock
c63 preFL with tune and gutted cats (piping and cats still in place just inside cones gone) should make maybe 10rw more but dont forget the MCT is better over the 7G so thats why this was pretty evenm
Old 07-06-2015, 02:15 PM
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Originally Posted by mthis
thats my friends car. it has full exhaust. MBH headers and agency exhaust .
Old 07-06-2015, 02:32 PM
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Originally Posted by mthis
thats my friends car. it has full exhaust. MBH headers and agency exhaust .

did u ever vbox u car 60-130?
no license, it's been suspended since october until probably october or november ..don't ask, BC's driving system is a joke, basically lost it for a year because i didn't have this stupid "N" sticker displayed properly
Old 07-06-2015, 04:27 PM
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Originally Posted by avery.whss
no im not, because something isn't right with his C63, I have the exact same mods..minus i have a custom exhaust and a custom OEtune but i've walked 2 stage 2 M3's and a tuned stroker GTR and a few corvettes, yet this guy can't walk a stock C63? Lol...wat? I highly doubt a "p31" has more power then my friends r32 gtr 508vboxed verified whp
If it makes you feel any better I can run him. Mine is OE tuned with no sec cats or resonator. My car runs fine!
Old 07-06-2015, 04:35 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by w204nyc
If it makes you feel any better I can run him. Mine is OE tuned with no sec cats or resonator. My car runs fine!
R u coming saturday to mpact?
Old 07-06-2015, 04:46 PM
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Originally Posted by avery.whss
no im not, because something isn't right with his C63, I have the exact same mods..minus i have a custom exhaust and a custom OEtune but i've walked 2 stage 2 M3's and a tuned stroker GTR and a few corvettes, yet this guy can't walk a stock C63? Lol...wat? I highly doubt a "p31" has more power then my friends r32 gtr 508vboxed verified whp
You're the guy who thinks he has 600whp NA. Why don't you step out of debates where you don't have a clue.
Old 07-06-2015, 04:49 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by avery.whss
no im not, because something isn't right with his C63, I have the exact same mods..minus i have a custom exhaust and a custom OEtune but i've walked 2 stage 2 M3's and a tuned stroker GTR and a few corvettes, yet this guy can't walk a stock C63? Lol...wat? I highly doubt a "p31" has more power then my friends r32 gtr 508vboxed verified whp
Do u have any videos of any of these kills?
Old 07-06-2015, 04:53 PM
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Originally Posted by gzim335
R u coming saturday to mpact?
I'm gonna try my best to make it, dont know for sure yet
Old 07-06-2015, 05:02 PM
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Originally Posted by w204nyc
I'm gonna try my best to make it, dont know for sure yet
Pm me ur number if u do come well fet tog for few runs,i got my eurocharged tune files back so i can flash back to stock for comparison,what year is ur car?


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