I bought the bypass pipes from Top Speed for $ 179.00 on EBay, Had them on my doorstep2 days later, Estimated delivery was 6 days. Except for having to cut off a couple of frozen bolts at the primary cat flange, installation was fairly easy. I picked up the Easy Seal clamps at NAPA for $10.00 ea.
Took it out for a short drive, no sign of anything you'd call a drone. It has a bit of a rumble at idle that sounds good, but the tone and volume at high RPM is sweet.
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