10-09-2018, 09:17 AM | #1 |
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Stock 330i muffler modification
I saw a thread regarding the stock 335i muffler being cut open to be welded and gave me this idea. I thought it would be neat to keep the stock muffler sound level, but just mod the "flapped" portion of the exhaust canister so that it was louder only with the flap open, in sport mode or at higher throttle levels. Sort of a "have my fun, and not piss of my wife and neighbors" situation.
Has anyone tried this?
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10-10-2018, 11:13 PM | #2 |
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Yeah they sell something called an exhaust cut out valve, you can have them put it in your exhaust. It has a remote control so essentially you can open it and it gives you a muffler delete when you want.
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10-11-2018, 12:36 PM | #3 |
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Yeah I know, I'm talking about the valve that is already on the car. I'm wondering if someone has modified the "sporty" side of the pipe to be louder, when the valve is open.
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10-14-2018, 11:36 AM | #4 | |
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As far as modifying it you might be able to do an exhaust cutout and then do a y pipe off of their to control it with the stock valve. If you have a Jb4 you can control the valve opening/closing. Seems like a lot of work tho IMO. |
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10-15-2018, 11:18 PM | #5 | |
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10-18-2018, 11:49 AM | #6 |
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It wont harm anything. It stores a code but you don't get a CEL. And there is no drone with it open at low RPMs. It will pop in parking garages in Eco mode, manual mode in 1st gear.
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