I have used them before for XM radio install and Remote start. The only issue I had this time was a call informing me they would need another $50.00 because the install required them to run a wire the length of the vehicle. I complained and they said they would thake the loss. I felt they should have recognized they had mis-qouted before they had the job almost completed. Other than that I am very much satisfied with Sound of Tri-State.
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