Seen a couple of people that like different ones. Me personally I was able to do custom cat back with the mufflers I wanted and had everything custom bent along with a resonator taken out and it sounds sweet. Everyone I work with was like wow. Best thing I can recommend is to do the resonator delete cause it does make it sound sweet.Any help would be great. Looking for the most HP gain.
Check out Blackmajik's post with all of the sound clips of the various exhaust sounds.
I have a 2004 6 V6 I was hoping for more power. I have the Injen CAI but need more!Depends on what engine do you have. On the naturally aspirated engines, aftermarket catbacks yield little or no increases in whp because there are few exhaust flow restrictions from the cat back.
I'll defer to the turbo people to comment about exhaust gains for turbocharged engines.