High Flow Catted downpipes

Logical · 02-04-2024, 11:56 AM

Does anybody have any experience with the high flow cat downpipe, and which ones improve the turbo noise, increase power, as well as pass emissions?

mcanzio · 02-07-2024, 06:02 PM

I have the active autowerke high flow cats on my F85. Super happy, you will pass inspection anywhere expect California. Very little smell. A bit pricey but you can find them on sale from time to time.

https://store.activeautowerke.com/pr...faa39898&_ss=r

Cbozz · 02-09-2024, 08:42 PM

Quote:

Originally Posted by mcanzio

I have the active autowerke high flow cats on my F85. Super happy, you will pass inspection anywhere expect California. Very little smell. A bit pricey but you can find them on sale from time to time.

https://store.activeautowerke.com/pr...faa39898&_ss=r

I have the same ones, I am as well very happy with them, very faint smell when first starting the car and they are cold but then no smell at all.. no CEL, sound great... very well made!

IcieLindgren · 02-15-2024, 07:50 AM

Quote:

Originally Posted by mcanzio

I have the active autowerke high flow cats on my F85. Super happy, you will pass inspection anywhere expect California. Very little smell. A bit pricey but you can find them on sale from time to time.
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https://store.activeautowerke.com/pr...faa39898&_ss=r

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BulsaraF36 · 02-15-2024, 08:37 AM

Quote:

Originally Posted by mcanzio

I have the active autowerke high flow cats on my F85. Super happy, you will pass inspection anywhere expect California. Very little smell. A bit pricey but you can find them on sale from time to time.

https://store.activeautowerke.com/pr...faa39898&_ss=r

How long have you had them? I want to install on my F85. I used to fabspeed sport cat on my 435i which were hsj 200 and after 2yrs it started getting CEL.

Cbozz · 02-15-2024, 02:11 PM

Quote:

Originally Posted by BulsaraF36

How long have you had them? I want to install on my F85. I used to fabspeed sport cat on my 435i which were hsj 200 and after 2yrs it started getting CEL.

I had mine for over 2 years and no cel…

02-04-2024, 11:56 AM	#1
Logical Captain 213 Rep 607 Posts Drives: 2014 M5 Join Date: Aug 2015 Location: Berkshire County iTrader: (1)	High Flow Catted downpipes Does anybody have any experience with the high flow cat downpipe, and which ones improve the turbo noise, increase power, as well as pass emissions? __________________ 2017 F86 X6M 2014 F10 M5 2015 F85 X5 M 2015 F86 X6 M (Retired) 2014 F10 M5 (Retired) 2010 E70 X5 M (Retired), 2010 E92 M3 MT (Retired) 2006 E60 M5 (Retired), 2000 E39 M5 MT (Retired) 1999 E39 328i (Retired), 1995 525i (Retired) 1987 325i (Totaled - that was fun!)
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02-07-2024, 06:02 PM	#2
mcanzio Private 79 Rep 60 Posts Drives: 2018 F85 X5M Join Date: Nov 2022 Location: San Diego, CA iTrader: (0) Garage List 2023 Audi SQ5 [0.00] 2018 BMW X5M F85 [0.00]	I have the active autowerke high flow cats on my F85. Super happy, you will pass inspection anywhere expect California. Very little smell. A bit pricey but you can find them on sale from time to time. https://store.activeautowerke.com/pr...faa39898&_ss=r
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High Flow Catted downpipes