BMW E92 335i exhaust valve “golf tee mod” (video)

January 26, 2014 elpuercosi own bmw 335 own car
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I got stock exhaust with open valve mod. Sounds much better than stock.

It’s very easy to do your self.

Here is step by step help: http://www.e90post.com/forums/showthread.php?t=80661

 

 

Here is video. Winter cold start and short snow drift