- Apr 18, 2005
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today i had my bassani x pipe with comp cats installed, and my flowmaster american thunder kit. if i am around 1800 rpms, and give it a lot of gas, i got MAJOR drone, like it kinda rattles stuff. is everyone having this problem? would putting dynamat under the rear seat and trunk help? i love how it sounds with this setup, but i need to do something about the drone!