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I found the stock exhaust note a little too boring for my taste, and I'm also looking for options to improve the sound of my 2014 E63, I was guide by your post on the thread of burble tune. I've noticed that you have switch to resonator delete+ straight pipe. What are some of your thoughts on the topic of exhaust notes? Should I go for burble tune(thinking about Eurocharged since they are having a Black Friday sale) or resonator and straight pipe? Did you do a cat delete as well?