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Unfortunately, the camera didn't pick up the sound change that much but in person it's crazy to hear the sound change. I will be making a kit to run open trumpets on any e9x m3 the sound is absolutely amazing can't wait I get a set of air filters and run them all the time!
The next video will be on the e30 and us taking the car for a rip for the first time super happy I figured out the problem with the throttle position sensor.