Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-63880) of Monro Muffler Brake, Inc. of our report dated September 13, 2002 relating to the financial statements of Monro Muffler Brake, Inc. 401(k) Plan, which appears in the Form 11-K. PricewaterhouseCoopers LLP Rochester, New York September 26, 2002 - 13 -