CL55 Primary cat delete (VIDEO)

benz_addict · 11-15-2009, 02:17 PM

The right side cat blew under spirited driving so I got both cats replaced with straight pipes.
Resonator and secondary cats are still in. Here's how it sounds now:

VIDEO: (Don't forget to choose HQ)
http://www.youtube.com/watch?v=Go803OiiOT8

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Il Capo · 11-19-2009, 10:20 AM

hey i know this post is about a year old, and theres always those select few who give you **** about bring stuff up from the dead (lets not forget about the "search" cult too) but I wanted to know if you got a check engine light after deleting the primary cats?

Does anyone no of a o2 simulator or trick that will allow our cars to run with no primary cats and without a check engine light, my cats are rattling too unfortunately.

shardul · 11-21-2009, 01:08 PM

did you notice any change in power/torque

benz_addict · 11-21-2009, 06:09 PM

Capo... you have to delete the rear O2 software coding from the ECU if you want to bypass the O2 CEL. I got this done from a respectable local ECU tuning shop. If you don't do this then you will definitely get a CEL.

shardul... I got an ECU tune at the same time my car was in for the O2 delete, so I really didn't get a chance to notice. All I know it sounds so much better in person.

Deleting my resonators soon!

beaskho · 12-14-2009, 02:22 AM

I accept with information:this post is about a year old, and theres always those select few who give you about bring stuff up from the dead lets not forget about the "search" cult too.

Exotic-metal55 · 12-14-2009, 09:11 PM

You have any video or pics of the work completed?

11-21-2009, 01:08 PM	#3
shardul MBWorld Fanatic! Join Date: May 2008 Location: Houston Posts: 1,736 Drives: 2003 W211 E55	did you notice any change in power/torque __________________ "Lieber Nurburgring als Ehering"

11-21-2009, 06:09 PM	#4
benz_addict MBWorld Fanatic! Join Date: Jan 2007 Location: Toronto, Mississauga Posts: 1,070 Drives: CL55 ///AMG + E430 4Matic + CLS550	Capo... you have to delete the rear O2 software coding from the ECU if you want to bypass the O2 CEL. I got this done from a respectable local ECU tuning shop. If you don't do this then you will definitely get a CEL. shardul... I got an ECU tune at the same time my car was in for the O2 delete, so I really didn't get a chance to notice. All I know it sounds so much better in person. Deleting my resonators soon! __________________ CL55 AMG Now: Johnson CM30 Resonator delete Primary/Secondary cats delete ECU tune AFE Performance filters Bored 80mm TB shaft 63 Paddle shifters 285/30 rear setup Soon: ASP 185mm pulley kit evosport "shorty" performance headers Quaife LSD Differential

12-14-2009, 02:22 AM	#5
beaskho Newbie Join Date: Dec 2009 Posts: 1 Drives: yamaha	I accept with information:this post is about a year old, and theres always those select few who give you about bring stuff up from the dead lets not forget about the "search" cult too. __________________ Taux calculette pret immobilier \| Calcul emprunt pret immo \| Taux interet calculette credit immobilier

12-14-2009, 09:11 PM	#6
Exotic-metal55 MBWorld Fanatic! Join Date: Jun 2008 Location: Texas Posts: 1,126 Drives: 2003 CL55	You have any video or pics of the work completed? __________________ CL55, 1/4 mile time 11.53@122.62mph,1.79 sixty(12/5/08). ASP 185mm pulley, Eurocharged tune, 82mm, TB ,CF airbox, Custom 3" mid X pipe /with race cats/Aux.Garrett H/E, Meziere 20 gpm I/C pump, filters, MT/ET drag radials 265/40/18 , Wiseco Forged pistons/Nikasil coated bore.

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11-19-2009, 10:20 AM	#2
Il Capo Junior Member Join Date: Jun 2007 Posts: 41	hey i know this post is about a year old, and theres always those select few who give you **** about bring stuff up from the dead (lets not forget about the "search" cult too) but I wanted to know if you got a check engine light after deleting the primary cats? Does anyone no of a o2 simulator or trick that will allow our cars to run with no primary cats and without a check engine light, my cats are rattling too unfortunately.

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