335 is, keep x-pipe or not, why or why not???

Wingnutts · 05-14-2020, 09:09 PM

Vibrant resonators are going on tomorrow and the guy doing the job asked if I wanted the x-pipe removed and have it straight piped. I will still have the is sport exhaust and eventually my MMP down pipes will be back on again as well. As our cars are sort of unique with secondary cats and an x-pipe, there is not much info out there. Anyone have any insight or opinion on keeping the x-pipe or going to straight pipes?

type-dRew · 05-14-2020, 09:22 PM

All e92 have x pipe. That's not unique to an IS.

Just keep it. Only reason to get rid of it would be to create a much different sound.

Wingnutts · 05-14-2020, 09:25 PM

Quote:

Originally Posted by type-dRew

All e92 have x pipe. That's not unique to an IS.

Just keep it. Only reason to get rid of it would be to create a much different sound.

And this is why I ask the questions. I"ve been reading that not all the e92's had x-pipes through several threads....

As for the different sound, what kind of sound are talking about? More rasp, less rasp? More throaty, or less throaty? I'm pulling the 2nd cats to calm the rasp down a bit.

05-14-2020, 09:09 PM	#1
Wingnutts Old Guy 134 Rep 305 Posts Drives: 335is DCT Join Date: Jun 2012 Location: PA iTrader: (0) Garage List 2019 X4 M40i [0.00] 2011 335is [0.00] 2010 X5 35d [0.00] 2009 E92 328i xdrive [0.00]	335 is, keep x-pipe or not, why or why not??? Vibrant resonators are going on tomorrow and the guy doing the job asked if I wanted the x-pipe removed and have it straight piped. I will still have the is sport exhaust and eventually my MMP down pipes will be back on again as well. As our cars are sort of unique with secondary cats and an x-pipe, there is not much info out there. Anyone have any insight or opinion on keeping the x-pipe or going to straight pipes? __________________ BQ tune, Flex Fuel, more mods and money that I'll never tell my wife about....
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05-14-2020, 09:22 PM	#2
type-dRew Major 642 Rep 1,245 Posts Drives: 2009 335i xDrive Join Date: Feb 2019 Location: Newport MI iTrader: (0)	All e92 have x pipe. That's not unique to an IS. Just keep it. Only reason to get rid of it would be to create a much different sound. __________________ 2009 335i xDrive AT / 177k+ miles PSP 750ic / Fuel-It! Stage 1 / BMS CP / Sutphin Tuning / RFP E50 11.61 @ 117.5 New setup; Covid 19Ts on RFP 93 + ARM inlets, dp, VTT cp and PSP outlets
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