C63 AMG (W204) 2008 - 2015

Secondary cats or resonator delete?

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Old 10-28-2014, 01:27 PM
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'15 Polar White Edition 507 / 2010 Jeep Wrangler (kart hauler)
Originally Posted by rentzington
You can delete the secondary cats in most places without an issue since it's not required by law, only thing I read is it COULD (I stress could not will) cause a failed sniff test


thanks for the reply. We do the obdII test here so no issue with sniff test. Just cel and monitors to look out for.
Old 10-28-2014, 01:31 PM
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2010 C63 P30
Originally Posted by Spdrcrj
thanks for the reply. We do the obdII test here so no issue with sniff test. Just cel and monitors to look out for.
My understanding is you should be fine because those cats aren't hooked to any O2 sensors. But I haven't removed them myself so it's just what I've read
Old 10-28-2014, 01:35 PM
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'15 Polar White Edition 507 / 2010 Jeep Wrangler (kart hauler)
Originally Posted by rentzington
My understanding is you should be fine because those cats aren't hooked to any O2 sensors. But I haven't removed them myself so it's just what I've read


right on, thank man.
Old 10-28-2014, 02:33 PM
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C63 AMG
I just want to say thanks for the AMAZING replies and helpful insight. You guys are awesome! I will watch the videos/sound clips on my home computer once I am off work.
Old 10-28-2014, 02:48 PM
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'15 Polar White Edition 507 / 2010 Jeep Wrangler (kart hauler)
Originally Posted by AMG FTW
Mikes h pipe + resonator deletes = pure AMG goodness.
You get the keep the AMG bark and no drone in the car.


Seems like resonator and secondary cat deletes will not cause any emission/smog testing issues (shouldn't...lol) and give me the sound I'm looking for. Now looking for "Mike" and a source for these parts.

Last edited by Spdrcrj; 10-28-2014 at 03:01 PM.
Old 10-28-2014, 06:40 PM
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Audi A5 6MT, C63 AMG
Originally Posted by Spdrcrj
Seems like resonator and secondary cat deletes will not cause any emission/smog testing issues (shouldn't...lol) and give me the sound I'm looking for. Now looking for "Mike" and a source for these parts.
this is the guy Mike Fair, honest and easy transaction when I bough straight pipes from him. Looking to go H route this time.

https://mbworld.org/forums/c63-amg-w...uy-thread.html
Old 10-28-2014, 06:46 PM
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
Originally Posted by Spdrcrj
Seems like resonator and secondary cat deletes will not cause any emission/smog testing issues (shouldn't...lol) and give me the sound I'm looking for. Now looking for "Mike" and a source for these parts.
This is Mike's power pipe thread.https://mbworld.org/forums/c63-amg-w...uy-thread.html
Old 10-28-2014, 07:35 PM
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'15 Polar White Edition 507 / 2010 Jeep Wrangler (kart hauler)
Originally Posted by Mort




Thank you both!!!! I sub'd to that thread. Going to do ROW airboxes, V5 tune, and these straight secondary cat delete pipes in Feb.

Last edited by Spdrcrj; 10-28-2014 at 08:50 PM.
Old 10-29-2014, 01:38 AM
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C63 AMG
I listened to the sound/video clips and both set variations sound good. Slight difference in deepness/raspyness. None the less, thanks for the videos guys. Come spring time I will have to decide which route I go.
Old 11-07-2014, 07:46 PM
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'15 Polar White Edition 507 / 2010 Jeep Wrangler (kart hauler)
Just had a local muffler shop remove my resonator and install straight pipe. Stock sound retained. Between idle and 2k rpms, it's like the exhaust volume knob is turned up one click, between 2-4k rpms, two clicks, and from 4k-7k, three clicks. Driving around in "C", stock quiteness. The crackling on the overrun when downshifting is a nice added sound. For $100, well worth it.
Old 12-17-2014, 11:21 AM
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'13 MB c63 AMG
Originally Posted by LIKE_A_BOSS
secondary cats delete with straight pipes + resonator replaced with X pipe +V5 Tune = Crazy sounding blips and orgasmic sound.
Do you have a video or sound clip available? Thanks!
Old 12-17-2014, 12:00 PM
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C63 AMG - PP+
Originally Posted by AMG893
Thats what i did. Replaced with straight pipes.
Perfect sound for me
+1 Here in the UK

Secondary Cat Delete, straight replacement, Miltek pipe, no sound difference inside at all, crack and pops at lower speeds more nicely, not in your face, a tad more aggressive at normal speeds, and awesome at speed in a tunnel or in fact generally.

Best and cheapest mod I've ever done on car period

http://www.millteksport.com/exhaust....?variantid=366

option 2

Fitted for £420 in vat at AMD tuning in essex UK
Old 08-31-2015, 08:29 PM
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2000 Acura NSX, 2012 C63 P31 (gone and not forgotten), 2015 C63 507
Both links for "Mike's pipes" above are dead.

Does anyone have another link?
Looking for his pipe
Old 08-31-2015, 09:18 PM
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2015 C63S
Originally Posted by 95gsrturbo
Both links for "Mike's pipes" above are dead.

Does anyone have another link?
Looking for his pipe
Link works fine - his thread is still going strong and on the first page of this section of the forum lol.

https://mbworld.org/forums/c63-amg-w...uy-thread.html

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