ABB Car Repairs

Took my car in for an oil change and warrant a while back. Oil change was good value, however he failed my car on exhaust noise limits and a tie rod end. The tie rod was fair, however he claimed my exhaust was 105 decibels. Was very dismissive when I questioned it, and complained about the sound on a personal level. A VTNZ check and a second opinion from another garage showed the exhaust was only 91 db and within legal limits. Passed a Wof elsewhere. Bit rough to be on the hook for a complete exhaust system because he can't do a DB reading right.