i just got flowmaster super 40 mufflers and 5 inch customized tips on my v6 sts. it sound very loud gave me about 35 - 50 horsepower . i will have the sound clip posted in a couple days and some pictures too.i think if your looking for a good sound you should get it done. costed me about 600. but its worth every penny. if you need any info email me at [email protected].