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      01-24-2013, 11:49 PM   #214
RollingLower42
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Drives: 2012 BMW 335I
Join Date: May 2012
Location: Los Angeles

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Quote:
Originally Posted by cn555ic View Post
If your using stock exhaust and want to add resonators, these will not work for your car as its for 2.50 diameter piping....You would need the 2.25 diameter ones which are #1790...I cant believe your saying stock exhaust without any modifications would drone! but anyway thats what you would need #1790

You must have very sensitive ears.
I have a Meisterschaft GTC exhaust (no muffler), JB4 stage 1, and challenge HFC downpipe on a 2012 BMW 335I F30. It is not stock. That is why I am looking into resonators...Definitely is loud as shit. I don't know if it is technically drone or not, but in the low RPMS it is really really loud inside the cabin.. Would this be considered drone? Seems like the resonators should help that..I think some people said get a high flow cat to eliminate drone, but I already have that..

So it WOULD be the # 1792 I need then correct? Since it is not stock I am running..

I know this is the E90 forum, but I tried getting info in the F30 section and didn't get any response..
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