AR design Catless downpipes, worth the problems?

paul_sarky · 02-13-2016, 12:33 AM

I have a opportunity to buy the AR design catless downpipes for a really good price, but after reading a ton, most people say to go with the catted ones because of the smell and the cel light.

I dont care for the smell, im looking for the sound improvement mainy. Once i install them and the light goes on, is there a way around it?

Most of the threads i read are from a few years ago, so not sure if there's any easy solution to it, but seems like a lot of people are using them.

Its for the n63 engine..

550Reasons · 02-13-2016, 07:33 PM

I mean its just a light, you'll see all the time, but if you have JB4 stage 2 it will clear the code. You can always play with foulers.

lsturbointeg · 02-13-2016, 08:36 PM

I was about to say that too about some tunes will let you clear codes. Couldn't DL TorquePro with the dongle clear codes too?

Simple5 · 02-13-2016, 09:40 PM

The N63 Stage 2 does not clear codes. You would need to purchase a code clearing tool. There is no dpfix like device for these cats either and the mini cats installed on the o2 sensors are iffy at best (no real feedback to whether if or not they work).

A catted solution would be best IMHO...

saleen751 · 02-13-2016, 10:04 PM

My mini cats work I have no CEL it came on when I installed the down pipes after 1k miles it went away

Simple5 · 02-13-2016, 10:18 PM

Quote:

Originally Posted by saleen751

My mini cats work I have no CEL it came on when I installed the down pipes after 1k miles it went away

Good news man. If VRSF gets a cost effective straight do on the market the mini cats would be a good bet.. link where you bought them?

lsturbointeg · 02-13-2016, 10:53 PM

so running aftermarket DP's with cats are still pretty good use even tho ideal catless is better...i mean how much power are we talking here?

badblack550xi · 02-14-2016, 12:21 PM

question is why you want to go catless vs catted ?

saleen751 · 02-14-2016, 05:15 PM

Quote:

Originally Posted by Simple3

Good news man. If VRSF gets a cost effective straight do on the market the mini cats would be a good bet.. link where you bought them?

Came with the downpipes I bought used off a member

Simple5 · 02-16-2016, 08:36 PM

Oh okay. You purchased those aa dps

saleen751 · 02-16-2016, 09:08 PM

Quote:

Originally Posted by Simple3

Oh okay. You purchased those aa dps

Yea

02-13-2016, 12:33 AM	#1
paul_sarky Private 38 Rep 99 Posts Drives: 2012 BMW 550i M-Sport Join Date: Sep 2015 Location: Seattle, WA iTrader: (0)	AR design Catless downpipes, worth the problems? I have a opportunity to buy the AR design catless downpipes for a really good price, but after reading a ton, most people say to go with the catted ones because of the smell and the cel light. I dont care for the smell, im looking for the sound improvement mainy. Once i install them and the light goes on, is there a way around it? Most of the threads i read are from a few years ago, so not sure if there's any easy solution to it, but seems like a lot of people are using them. Its for the n63 engine..
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02-13-2016, 07:33 PM	#2
550Reasons Captain 150 Rep 738 Posts Drives: F10 550i Join Date: Aug 2014 Location: South Florida iTrader: (1)	I mean its just a light, you'll see all the time, but if you have JB4 stage 2 it will clear the code. You can always play with foulers. __________________ 2011 550i 2013 M5 2014 M5 CP 2016 550i
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02-13-2016, 08:36 PM	#3
lsturbointeg Lieutenant General 9153 Rep 14,522 Posts Drives: 2011 535i Jet Black Join Date: Aug 2014 Location: Asian lost in OH iTrader: (0)	I was about to say that too about some tunes will let you clear codes. Couldn't DL TorquePro with the dongle clear codes too? __________________ ~F90Conversion~21"3Piece Forged AvantGardeWheels~KWV1Coilovers~CQUENCE slotted/drilled rotors~GoodridgeStainlesslines~MeisterschaftQuadEx haust~Akrapovic 4"tips~VRSF DP~VRSF CP~TurboSmart BOV~K&N filter~CarbonFiberExteriorComponents~GladenAlphaCo mponents~MatchUp7BMW~Punch P300-12T~ Follow me on Instagram: lsturbointeg
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02-13-2016, 09:40 PM	#4
Simple5 Major 348 Rep 1,406 Posts Drives: 2013 M5 Join Date: Jul 2011 Location: USA iTrader: (8)	The N63 Stage 2 does not clear codes. You would need to purchase a code clearing tool. There is no dpfix like device for these cats either and the mini cats installed on the o2 sensors are iffy at best (no real feedback to whether if or not they work). A catted solution would be best IMHO...
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02-13-2016, 10:04 PM	#5
saleen751 Private 21 Rep 97 Posts Drives: 2005 545i Join Date: Feb 2013 Location: so cal iTrader: (0)	My mini cats work I have no CEL it came on when I installed the down pipes after 1k miles it went away
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02-13-2016, 10:53 PM	#7
lsturbointeg Lieutenant General 9153 Rep 14,522 Posts Drives: 2011 535i Jet Black Join Date: Aug 2014 Location: Asian lost in OH iTrader: (0)	so running aftermarket DP's with cats are still pretty good use even tho ideal catless is better...i mean how much power are we talking here? __________________ ~F90Conversion~21"3Piece Forged AvantGardeWheels~KWV1Coilovers~CQUENCE slotted/drilled rotors~GoodridgeStainlesslines~MeisterschaftQuadEx haust~Akrapovic 4"tips~VRSF DP~VRSF CP~TurboSmart BOV~K&N filter~CarbonFiberExteriorComponents~GladenAlphaCo mponents~MatchUp7BMW~Punch P300-12T~ Follow me on Instagram: lsturbointeg
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02-14-2016, 12:21 PM	#8
badblack550xi Colonel 465 Rep 2,416 Posts Drives: F10 550i 2011 F90 2020 COMP Join Date: May 2013 Location: NJ iTrader: (0)	question is why you want to go catless vs catted ? __________________ 2011 550i RWD 60-130 7.35
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02-16-2016, 08:36 PM	#10
Simple5 Major 348 Rep 1,406 Posts Drives: 2013 M5 Join Date: Jul 2011 Location: USA iTrader: (8)	Oh okay. You purchased those aa dps
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