Quote:
Originally Posted by jengstro
Here is the video for the 335i muffler mod. Pretty close to reality. Bit crispier in real life.
Enjoy! oh yes left side valve is open on these videos, naturally.
I ran with map5 + 30% ethanol mixture.
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Awesome video! thanks a lot! How is the drone?
I'm thinking about doing the left side with a straight pipe. And then use the exhaust flapper open or closed to be quite or loud.. Just have to hook a switch to the wires in the trunk.