About Us


A few words about us

John the Muffler Man is a family business, operated by four generations of the Kopcas.

Our philosophy is to treat each customer like a member of the family. Lots of our customers have been coming back for many years, because they’ve come to expect high-quality work at reasonable prices, delivered in a friendly, no-pressure manner. We believe that each customer is important and deserves to be treated with respect.

what we offer

Quality Work
Our ASE-trained technicians can service your domestic or imported vehicle’s exhaust, brakes, suspension and other mechanical needs.

Fair Price
Plus our money-saving specials will help you stretch your automotive dollars.

One Year Warranty
All work comes with a one year warranty on labor. Parts warranty varies from one year to lifetime on the part.

Shop For Tires
Want to shop for tires online? Check out our extensive tire selection specific to your vehicle.

First Come, First Serve!

At John the Muffler Man, complete auto service, we take our customers on a first come, first serve basis. It’s convenient for you because you don’t have to sit and make an appointment. Most repairs are done same day, but for some of those that might take longer, then we’ll have you schedule an appointment.


2313 W Wells Street
Milwaukee, WI 53233