25th February 2008, 19:33
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#10
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m5board.comoholic (>1000 posts)
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Quote:
Originally Posted by tightie
thanks alot. there was alot of droan the first two days but as the days go by the droan becomes less and less, on the freeway cruising at 80 mph in 6th gear, you cant even tell i have a exhaust. (the windows were down in the video) i've had passengers in the car and all the windows up and they didn't even notice a difference in the noise!
- josh
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Josh, that sounds great!
As you may be aware, I am testing the prototype for RPI's exhaust and that was a concern I had as to what the sound in the cabin would be like during cruising speeds (around the same speed 60 to 80 in 7th gear). I noticed the same phenomena, almost like no exhaust at all. Some other systems I have read about have required the owners to look for sound insulating material for their trunks and other parts of the car because of drone.
Sounds (no pun intended) like your system is ideal on both fronts. Great acceleration and high revving sound, yet quiet for cruising. Again, nice video!
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