Originally Posted by dhoggm3
Look, the AA axle-back sounds completely awesome, is a little boomy on cold starts but settles down in a minute or two (fuel mix), and is completely non-obtrusive while cruising except for some low-end resonance in the cabin between 2200-2500 rpm which wives sometimes find annoying. That said, I repeat, the AA axle-back sounds completely awesome. OK?
+1, although I don't think the "resonance" in the 2200-2500 range is really much differrent than the oem setup. Loving mine.