I just had a complete dual exhaust system installed. Asked quite a few local hotrod guys about a reputable place and all of them mentioned Muffler Works in Florence. I went there with the mufflers I wanted to use and came away with a top notch exhaust system. It's a bit of a drive for you but, I highly recommend them for great work at a fair price and quick turnaround.
Muffler Works
4480 Hwy. 101 Building A
Florence, Oregon 97439
541-997-4400