i cant figure this **** out!!!!!!!!!! i thought it was my cat and that it was clogged but it still makes the damn jet noise at high RPM!!!! with my zzp downpipe with cat

MY exhaust setp....Stock header, ZZP d-pipe with cat, custom 2.5 piping into a 2.5 in and out oval magnaflow muffler

http://i7.photobucket.com/albums/y29...=slicks012.flv

 

pretty sure your fine man

 

ok...but the sound is so annoying....

 

you might actually check for exhaust leaks. if you have a blown gasket it could very well cause that