My G6 GT began to make an odd whistling noise whenever I would hit approximately 2500 RPM. After a bit of research, I discovered that the challenge was the OEM resonator. I went to the Sahara location based on reviews which seemed to indicate that the business was family owned, and that they had been operating a similar shop on Rancho for quite a while. The location was clean and well organized and the staff - especially Tino - was courteous and knowledgable.
While I was there the team really gave me a sense that they were interested in addressing my exhaust needs rather than selling me more than what was needed. In the end - in less than an hour - they resolved the exhaust challenge and I was happily on the road.