BASED ON ANONYMOUS COMPLAINTS, AN INSPECTION WAS CONDUCTED BT EPA AND STATE AUTHORITIES OF DISCOUNT MUFFLES. THE INSPECTION AND FOLLOW-UP INVESTIGATION VERIFIED THAT DISCOUNT VIOLATED SECTION 203 OF THE CAA BY IMPROPERLY INSTALLING AFTERMARKET CONVERTERS, REMOVING EMISSION CONTROL DEVICES AND FAILING TO KEEP RECORDS AS REQUIRED. DISCOUNT REMEDIED THE VIOLATIONS BY RECONFIGURING THE VEHICLES TO MANUFACTURERS SPECIFICATIONS.