Quote:
Originally Posted by Pnut
Interesting. So it's really the two-can design vs. the factory single-can that is responsible for the droning noise? I've really got to attend some club meetings and start listening in person. I'd very much like to add an exhaust (Fabspeed Maxflo is top on my list) but I don't wanna take the chance at that price.
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Drone is caused by exhaust valve harmonics. The thinner the header and exhaust metal the louder the harmonics. Most all third party exhaust systems use a thinner metal so drone is more prevalent. That's why your OEM headers look like something a mad eastern block plumber put together and why your OEM exhaust is so heavy.
