I just got my transmission replaced under warranty. It has about 2k miles on it now. I added a Steeda Tri-Ax, Spec stage 3 clutch, and a Fidanza alum. flywheel at the same time. This just started happening but sometimes when I pull from a stop or if I over rev the shift and slip the clutch, I get a low pitched kind of growl that lasts for about a second (usually right before I completely release the clutch). Most of the time it is only from a stop in first. Any ideas?