I like Duncan's. I go there frequently since they are 2 blocks from my house. I can drop my vehicle off & walk home. Then I can walk back up there once my vehicle is fixed. They have done work on my 98 Expedition & on my 03 Monte Carlo SS. They do a great job for a great price. I have never had any issues. They always get my car in & out pretty fast.
Duncan's left the old brake line in its clamps and routed the new brake line over the gas tank, letting it rest upon the tank. After a few thousand miles, I can see wear marks on the gas tank, suggesting that the line will eventually wear through the tank. Also, Duncan's bent the line too sharply and kinked it in two places; kinks create stress points for future failures and impede the flow of brake fluid through the line.