For those running catless downpipes...

James Cole · 10-07-2020, 10:03 AM

Featured on BIMMERPOST.com

Hello Guys,

Would like to install catless downpipes and tune, but would like to know long how are you still liking your downpipes? And also is the noise increase maybe a bit much at wot or tolerable?

Thanks!
JC

FSociety · 10-07-2020, 07:42 PM

Loving mine, I feel its exactly what it needed for that extra sound.
Not too obnoxious but you can make it burble if u want to, its great valves still in control comfort/sport and sport+ make it nicer

James Cole · 10-07-2020, 08:17 PM

Quote:

Originally Posted by FSociety

Loving mine, I feel its exactly what it needed for that extra sound.
Not too obnoxious but you can make it burble if u want to, its great valves still in control comfort/sport and sport+ make it nicer

Thanks, hows lag? Is it still very prominent?

FSociety · 10-07-2020, 08:33 PM

No lag, infact it has reduced lag now.
The bigger advantage is it spools faster now and perfect tone now

James Cole · 10-07-2020, 08:43 PM

Will install mine then... I was a fried it was going to sound too loud...

I had an F80 that I did Catless Dps only and it was too loud and had to revert back!

r33_RGSport · 10-07-2020, 08:56 PM

Quote:

Originally Posted by James Cole

Will install mine then... I was a fried it was going to sound too loud...

I had an F80 that I did Catless Dps only and it was too loud and had to revert back!

If you keep the secondary, you'll be good.

to_riffic · 10-07-2020, 09:32 PM

Not loud at all. I think it is the perfect amount w/o being obnoxious.

hxr · 10-08-2020, 05:22 AM

Raspy at high revs with secondary cat delete

AlexFL · 10-08-2020, 05:25 AM

Quote:

Originally Posted by hxr

Raspy at high revs with secondary cat delete

yea

FSociety · 10-08-2020, 01:33 PM

Car sounds really loud with just Resonator Delete and Secondary Delete, but with just Primary it's just perfect.

GrandMasterKhan · 10-09-2020, 07:49 AM

Did you guys just code out o2 with the tune or did you use an O2 anti-fouler?

James Cole · 10-09-2020, 08:36 AM

Wondering how involved is the dp install... is it the same as the F80s?

12v_dub · 10-09-2020, 08:37 AM

how are you passing emissions with catted downpipe?

10-07-2020, 10:03 AM	#1
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	For those running catless downpipes... Featured on BIMMERPOST.com Hello Guys, Would like to install catless downpipes and tune, but would like to know long how are you still liking your downpipes? And also is the noise increase maybe a bit much at wot or tolerable? Thanks! JC
	Appreciate 0 Tweet Quote

10-07-2020, 07:42 PM	#2
FSociety IG @bmwF9xG80 3813 Rep 7,593 Posts Drives: G80 M3, X4M, G07 X7m50 Join Date: Apr 2012 Location: NYC to NJ to Orlando FL iTrader: (3) Garage List 2023 BMW G80 M3 [0.00] 2020 BMW X4MC [0.00] 16' BMW X4 M40i [10.00] 06 Cadillac STS [0.00]	Loving mine, I feel its exactly what it needed for that extra sound. Not too obnoxious but you can make it burble if u want to, its great valves still in control comfort/sport and sport+ make it nicer __________________ 60-130mph 6.5s X4M #HCP 60-130mph 5.0s G80 M3 #OrlandoAutowerks Sauce IG: @bmwF9XG80
	Appreciate 0 Quote

10-07-2020, 08:33 PM	#4
FSociety IG @bmwF9xG80 3813 Rep 7,593 Posts Drives: G80 M3, X4M, G07 X7m50 Join Date: Apr 2012 Location: NYC to NJ to Orlando FL iTrader: (3) Garage List 2023 BMW G80 M3 [0.00] 2020 BMW X4MC [0.00] 16' BMW X4 M40i [10.00] 06 Cadillac STS [0.00]	No lag, infact it has reduced lag now. The bigger advantage is it spools faster now and perfect tone now __________________ 60-130mph 6.5s X4M #HCP 60-130mph 5.0s G80 M3 #OrlandoAutowerks Sauce IG: @bmwF9XG80
	Appreciate 0 Quote

10-07-2020, 08:43 PM	#5
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Will install mine then... I was a fried it was going to sound too loud... I had an F80 that I did Catless Dps only and it was too loud and had to revert back!
	Appreciate 0 Quote

10-07-2020, 09:32 PM	#7
to_riffic Lieutenant General 3024 Rep 13,764 Posts Drives: rwd Join Date: Feb 2008 Location: SoCal iTrader: (38)	Not loud at all. I think it is the perfect amount w/o being obnoxious. __________________ ~loud noises~
	Appreciate 0 Quote

10-08-2020, 05:22 AM	#8
hxr Enlisted Member 22 Rep 36 Posts Drives: X3M Join Date: Feb 2020 Location: London iTrader: (0)	Raspy at high revs with secondary cat delete
	Appreciate 1 AlexFL7837.00 Quote

10-08-2020, 01:33 PM	#10
FSociety IG @bmwF9xG80 3813 Rep 7,593 Posts Drives: G80 M3, X4M, G07 X7m50 Join Date: Apr 2012 Location: NYC to NJ to Orlando FL iTrader: (3) Garage List 2023 BMW G80 M3 [0.00] 2020 BMW X4MC [0.00] 16' BMW X4 M40i [10.00] 06 Cadillac STS [0.00]	Car sounds really loud with just Resonator Delete and Secondary Delete, but with just Primary it's just perfect. __________________ 60-130mph 6.5s X4M #HCP 60-130mph 5.0s G80 M3 #OrlandoAutowerks Sauce IG: @bmwF9XG80
	Appreciate 1 snowhitem4243.50 Quote

10-09-2020, 07:49 AM	#11
GrandMasterKhan Private First Class 173 Rep 146 Posts Drives: Evo9, '22 X3Mc, Turbo S2000 Join Date: Jan 2017 Location: BMW Southpoint, Durham NC. Dinan/Carbahn authorized Dealer. iTrader: (0)	Did you guys just code out o2 with the tune or did you use an O2 anti-fouler?
	Appreciate 0 Quote

10-09-2020, 08:36 AM	#12
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Wondering how involved is the dp install... is it the same as the F80s?
	Appreciate 0 Quote

10-09-2020, 08:37 AM	#13
12v_dub Second Lieutenant 295 Rep 279 Posts Drives: 21' M340i Join Date: Mar 2015 Location: Atlanta, GA iTrader: (3)	how are you passing emissions with catted downpipe?
	Appreciate 0 Quote