I have an 07 GT/CS. It comes with the rolled tip exhausts. The exhaust tips are 3" (I think) and look kinda wimpy in the cut-outs in the CS rear bumper. This may be a stupid question, but if I went to a muffler shop and had them cut off the current tips and weld on some 4" rolled tips like come on the Ford Racing GTA's, would it affect the sound quality? I pretty sure it wouldn't make it any louder but I don't want it to sound tinny or buzzy. I like the current sound just fine. I don't want anything substantially louder and am considering just getting the GTAs. But this might be just as good at a lower cost.

 

The GTA'S are the way to go, they sound awesome, they are not louder really, but just deeper......YOU WOULD LOVE THEM!! IMO

 

Magnaflow make an exhaust tip that looks like the GTA tip and fits right over stock muffler exit.They are a very nice polished stainless tip..Last I saw GTA's were retailing around $325.00 a pair.The GTA's are sweeting sounding axleback's.

http://www.magnaflow.com/02product/s...ain&id=267