best catted downpipe?

zman111 · 02-02-2022, 10:17 AM

I have read some is getting check engine light with AA has that ever been resolved?

mike@x-ph.com · 02-02-2022, 10:45 AM

Quote:

Originally Posted by zman111

I have read some is getting check engine light with AA has that ever been resolved?

Very few customers reported issues when it was first released years ago, and active autowerke resolved it. No issues have been reported since then

zman111 · 02-02-2022, 11:30 AM

thank you for updating. so much info out there some good some bad. trying to figure out what way to go. i have read so many posts just not sure anymore.

1QuikWS6 · 02-02-2022, 02:04 PM

Never had any problems with the AA catted DP I got from Mike

Purchased when they 1st came out passes PA Emissions Insp for yrs now...

thejeremyman9 · 02-02-2022, 04:42 PM

kitchener was the one who got a CEL from AA DP, then had it replaced, then got a CEL again. Did you ever pass emissions?

mike@x-ph.com · 02-03-2022, 10:14 AM

Quote:

Originally Posted by zman111

thank you for updating. so much info out there some good some bad. trying to figure out what way to go. i have read so many posts just not sure anymore.

You'll be good, just like hundreds of other customers.
Worst case scenario, you get a check engine light, Active will replace the downpipe at no cost.

Im not aware of a single CEL issue ever since Active upgraded to the newest GESI cats.

BMWApp · 02-07-2022, 11:39 PM

Quote:

Originally Posted by mike@x-ph.com

Quote:

Originally Posted by zman111

thank you for updating. so much info out there some good some bad. trying to figure out what way to go. i have read so many posts just not sure anymore.

You'll be good, just like hundreds of other customers.
Worst case scenario, you get a check engine light, Active will replace the downpipe at no cost.

Im not aware of a single CEL issue ever since Active upgraded to the newest GESI cats.

I've been running my AA catted downpipe for several months now with no CEL or issues and love it.

mike@x-ph.com · 02-08-2022, 10:34 AM

Quote:

Originally Posted by BMWApp

I've been running my AA catted downpipe for several months now with no CEL or issues and love it.

thejeremyman9 · 02-08-2022, 02:13 PM

Quote:

Originally Posted by BMWApp

I've been running my AA catted downpipe for several months now with no CEL or issues and love it.

Is your catalyst monitor ready?

BMWApp · 02-09-2022, 09:18 AM

Quote:

Originally Posted by thejeremyman9

Quote:

Originally Posted by BMWApp

I've been running my AA catted downpipe for several months now with no CEL or issues and love it.

Is your catalyst monitor ready?

It is. I haven't turned it off.

thejeremyman9 · 02-09-2022, 01:56 PM

Quote:

Originally Posted by BMWApp

It is. I haven't turned it off.

Huh? You can't turn the catalyst monitor off. Are you mixing up the CEL and the catalyst monitor? They are two different things. Its possible to not get a CEL (without disabling it with tune), but still have your catalyst monitor not get ready.

BMWApp · 02-10-2022, 11:59 PM

Quote:

Originally Posted by thejeremyman9

Quote:

Originally Posted by BMWApp

It is. I haven't turned it off.

Huh? You can't turn the catalyst monitor off. Are you mixing up the CEL and the catalyst monitor? They are two different things. Its possible to not get a CEL (without disabling it with tune), but still have your catalyst monitor not get ready.

Yes, I was mixing them up. I'm not too familiar with how it all works but I know that no changes were made with the tune to turn the CEL off. Regarding the catalyst monitor, I assume it is working properly. I also had the AA catted downpipe on my 340 and it never threw a CEL and also passed NC state inspection no problem.

thejeremyman9 · 02-11-2022, 12:29 AM

Quote:

Originally Posted by BMWApp

Yes, I was mixing them up. I'm not too familiar with how it all works but I know that no changes were made with the tune to turn the CEL off. Regarding the catalyst monitor, I assume it is working properly. I also had the AA catted downpipe on my 340 and it never threw a CEL and also passed NC state inspection no problem.

Depending on state requirements its possible you passed without catalyst monitor ready. You would not know unless you scanned to check. Its mostly relevant for people who live in states that require it

ex46fanatic · 02-11-2022, 02:29 PM

You get what you pay for, the expensive euro 6 ones have more platinum in them. When i do this i'll be going with supersprint euro 6 catted downpipe for 640i. Options are limited for me.

nitro_boss · 11-09-2022, 01:42 AM

i ended up getting the Active Autowerke catted downpipe. been running it with bootmod3 (& burble) on my 435i for more than a year now without issue.

no smell, no check engine light. sounds great.

mike@x-ph.com · 11-09-2022, 08:48 AM

Quote:

Originally Posted by nitro_boss

i ended up getting the Active Autowerke catted downpipe. been running it with bootmod3 (& burble) on my 435i for more than a year now without issue.

no smell, no check engine light. sounds great.

Salty B. · 11-25-2022, 02:41 PM

Quote:

Originally Posted by mike@x-ph.com

Any idea when the "CG PRECISION DS-1 - 5" HI-FLOW RACE CATTED DOWNPIPE" might be back in stock?

And any change to the AA/CG/FS recs for no CEL/emissions pass?

mike@x-ph.com · 11-25-2022, 02:48 PM

Quote:

Originally Posted by Flying Badger

Any idea when the "CG PRECISION DS-1 - 5" HI-FLOW RACE CATTED DOWNPIPE" might be back in stock?

And any change to the AA/CG/FS recs for no CEL/emissions pass?

no change on CEL

CG orders take 4-6 weeks to ship, their products are produced in small batches.

pearlpower · 11-26-2022, 11:33 PM

I have the AA catted and it is just OK, bought from a vendor here. No CEL, but fit is not spot on and the margin is slim to prevent the mid pipe from hitting the mount. The far cheaper CTS catted downpipe I had prior actually fit great - go figure.

mike@x-ph.com · 11-27-2022, 10:45 AM

Quote:

Originally Posted by pearlpower

I have the AA catted and it is just OK, bought from a vendor here. No CEL, but fit is not spot on and the margin is slim to prevent the mid pipe from hitting the mount. The far cheaper CTS catted downpipe I had prior actually fit great - go figure.

It's surprising to hear that about the fitment. Hundreds of downpipes have been sold, with spot-on fitment.

You either have a defective unit or a problem with your installation.

All is good now that the downpipe is installed and running properly. But thank you for the feedback.

FYI i have the same downpipe on my F30 335, fits spot-on as well.

pearlpower · 11-29-2022, 04:56 PM

Quote:

Originally Posted by mike@x-ph.com

It's surprising to hear that about the fitment. Hundreds of downpipes have been sold, with spot-on fitment.

You either have a defective unit or a problem with your installation.

All is good now that the downpipe is installed and running properly. But thank you for the feedback.

FYI i have the same downpipe on my F30 335, fits spot-on as well.

Well, one fit great, and one did not - thinking, just tossing it out there, perhaps it is not me……

goodguyf335 · 07-24-2023, 05:26 PM

Quote:

Originally Posted by nitro_boss

currently planning to get the CG Precision catted downpipe as I want one that doesn't throw a CEL - the Fabspeed one is really expensive.

What are your thoughts on the CTS Turbo catted downpipe? It is like half the price of the CG Precision one. Anyone know if it throws a CEL? What about the (new?) VRSF? It looks like VRSF doesn't have the extra downpipe brace that the others have.

and what dc did you end up wearing

02-02-2022, 10:17 AM	#67
zman111 New Member 0 Rep 6 Posts Drives: BMW 435I Join Date: Dec 2021 Location: NEPA iTrader: (0)	I have read some is getting check engine light with AA has that ever been resolved?
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02-02-2022, 11:30 AM	#69
zman111 New Member 0 Rep 6 Posts Drives: BMW 435I Join Date: Dec 2021 Location: NEPA iTrader: (0)	thank you for updating. so much info out there some good some bad. trying to figure out what way to go. i have read so many posts just not sure anymore.
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02-02-2022, 02:04 PM	#70
1QuikWS6 No 55mph 1629 Rep 8,495 Posts Drives: F32 435ix MSport Join Date: Jul 2009 Location: Blitzburgh, PA iTrader: (113) Garage List 2022 BMW M440ix Vert [0.00] 2015 BMW 435ix MSport [0.00] 2000 Pontiac Trans Am [0.00]	Never had any problems with the AA catted DP I got from Mike Purchased when they 1st came out passes PA Emissions Insp for yrs now... __________________ F32 435ix//MGM//M Sport-Prem-Tech-Driver Assist-Lighting-Cold Weather-Dyn Handling Pkgs//M4 Black Lthr Int w/M4 Alum Blade Trim//HK w/Bavsound Stg3//763M//M4 Euro LCI Tails//M4 Mirrors w/CF Covers//AWCarbon CF F/R Spoilers-Side Splitters-Diffuser 6WB/ID6 HU+HUD/IND M4 Alcantara Armrest//PURE S2 Turbo//AA FMIC+DP//ER CP+TIC//3.5bar TMAP/TS DV//AWE Tuning Exh w/Blk Tips//Turner MS CF Intake//BM3 Cary Jordan Tune//MPerf Diff//PrecRW Ignition Kit
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02-02-2022, 04:42 PM	#71
thejeremyman9 Major General 4476 Rep 7,740 Posts Drives: 2015 BMW 335i Join Date: May 2019 Location: Cali iTrader: (0)	kitchener was the one who got a CEL from AA DP, then had it replaced, then got a CEL again. Did you ever pass emissions?
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02-11-2022, 02:29 PM	#80
ex46fanatic Private First Class 45 Rep 197 Posts Drives: E46 330ci F06 640i GC both LCI Join Date: Feb 2021 Location: UK iTrader: (0)	You get what you pay for, the expensive euro 6 ones have more platinum in them. When i do this i'll be going with supersprint euro 6 catted downpipe for 640i. Options are limited for me.
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11-09-2022, 01:42 AM	#81
nitro_boss the senate 16 Rep 25 Posts Drives: 2016 435i Join Date: Jun 2020 Location: Washington iTrader: (0) Garage List 2016 BMW 435i [0.00]	i ended up getting the Active Autowerke catted downpipe. been running it with bootmod3 (& burble) on my 435i for more than a year now without issue. no smell, no check engine light. sounds great.
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11-26-2022, 11:33 PM	#85
pearlpower First Lieutenant 115 Rep 370 Posts Drives: 2013 328i Join Date: Jan 2018 Location: Beverly Grove iTrader: (0)	I have the AA catted and it is just OK, bought from a vendor here. No CEL, but fit is not spot on and the margin is slim to prevent the mid pipe from hitting the mount. The far cheaper CTS catted downpipe I had prior actually fit great - go figure.
	Appreciate 0 Quote

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