Quote:
Originally Posted by dmhenderson
Mostly I just want to cut down on drone. I love the way the exhaust sounds.
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You likely won't be able to do anything with drone with the GT Mat. You will have to fix drone by either modifying the exhaust (helmholtz resonators) or doing the entire interior with CCF/MLV to block a lot of the exhaust drone.
Since the car is a hatch, treating only the hatch floor won't do too much. The cabin is a big sound tube and without treating it all, there's limited effect.