About

Mr. Muffler & MGR Mufflers

Mr. Muffler was established in 2017 by Jose Flores. As our family grew, our shops have grown as well. In 2019, Jose & his wife, Liz, opened their second shop, MGR Mufflers & Auto Repair, Inc. In addition, they also have a Motorcycle Shop, Pro J’s Cycles, Inc. in the Bay Area. Mr. Muffler & MGR Mufflers service all types of vehicles by installing Custom Exhaust System, Catalytic Converters, Catalytic Custom Anti-Theft Cages and/or(Cat Security), Mufflers New and Used, Oil Changes and more. As a family owned and operated automotive shops, Jose & Liz take customer satisfaction very seriously. When you work with us, you can always expect honest advice, fair pricing, expert workmanship, and quality parts. All of our work is performed by exhaust system experts. We believe in helping people, and when we do a job, we make sure it's done right. Depending upon your goals and budget, we will recommend OEM, OEM-equivalent, or aftermarket parts.

We carry many of the most well-known brands on the market for exhaust system, including but not limited to Magnaflow, Flowmaster, Corsa, Catco, Car Sound, Walker, etc. Most of these parts are backed by excellent manufacturer warranties, and we stand behind all of our work with a lifetime guarantee on labor. Additionally, we have an industrial lift, for larger vehicles, trucks and RVs, that normal lifts aren’t able to hold. If you are interested in a custom exhaust system, muffler delete, resonator delete, we have qualified welders on site to help with this. We also do a sound test, call us for more information.

If your check engine light turns on, call or visit us at one of our shops for a free quote or engine light check. We are open Monday through Saturday from 9:00am - 6:00pm, first come first serve.