Originally Posted by korax123

Ok I have an 04 Saturn Ion Redline. I currently have a 3" Exhaust on it with a 3" I and out Edelbrock SDT Muffler. It's to loud on the freeway for me. And I have a 30" resonator on the car also but the drone is just to much on longer trips.

Is the stock muffler on a GTO 2.5" in and out. And im betting it prob flows pretty good while keeping the sound down a little. Does anyone want to sell there stock muffler? Or have a picture of there stock muffler so i can see if it will work or not?

Thanks.