Damn, I just looked at some vibrant stuff, and it looks impressive.

I've changed my exhaust 3 times and seeing the vibrant stuff makes me want to do it a 4th time.

 

weld one of these into the exhaust as close as possible to the engine side.
Dynatech Vortex Insert Cones 772-32520 - Mobile SummitRacing.com
or, just buy some perforated stainless and make your own. i have two in my na, but one the one in the end of the header really cuts down on the extreme brap noise with every light press on the gas pedal.