N54Tech.com - International Turbo Racing Discussion
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boogybren boogybren is offline
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Join Date: Jun 2013
Car: 2008 335i Sedan
Default ******* ******** Questions - 09-08-2020, 02:00 PM

Hey gang,

I am considering upgrading my d0wn p1pes but had a few questions regarding c@tl3ss d0wn p1pes. (not sure why those terms are getting censored)

1. Does cause any droning inside of the car?

2. Will it cause the car to throw a code because of the c@t delete? If yes, are there any workarounds?

3. Will it cause the car to fail emissions testing?
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blackhat75 blackhat75 is offline
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Car: guess...
Default 09-09-2020, 11:59 AM

Quote:
Originally Posted by boogybren
Hey gang,

I am considering upgrading my d0wn p1pes but had a few questions regarding c@tl3ss d0wn p1pes. (not sure why those terms are getting censored)

1. Does cause any droning inside of the car?

2. Will it cause the car to throw a code because of the c@t delete? If yes, are there any workarounds?

3. Will it cause the car to fail emissions testing?
1.Yes

2. Yes and yes

3.Yes
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emerson15 emerson15 is offline
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Car: 135i DCT 11`
Default 09-15-2020, 09:25 PM

No, It does not cause droning in my car. removing the muffler will cause a very bad drone.
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zole2112 zole2112 is offline
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Car: 2013 BMW 335xi F30 N55
Default 09-23-2020, 10:24 AM

I don't have a drone, sounds awesome.
I rarely get a code from mine.
Don't have emission testing so IDK


2013 BMW 335xi F30 N55 PWG
Injen CAI/ER CP/VRSF C-less DPipe/Active A FMIC/JB4 v3 - Map 7/e50/Custom tuned exhaust/stock turbo/Resonator Delete/MHD & JB4 e85 BEF/Stage 2 LPFP Walbro 450
Summer '20 install: Speedtech BW 8374/PI & Tune by Trebila
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