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Business Details
9 Years
experience
Expert Auto Repair & Exhaust Services in the Bay Area
Established in 2017 by Jose Flores, our family-owned business has grown to include two shops and a motorcycle shop in the Bay Area. We specialize in exhaust systems, catalytic converters, mufflers, and oil changes, prioritizing honest advice, fair pricing, and expert workmanship. Our team of exhaust system specialists delivers quality parts from trusted brands like Magnaflow and Flowmaster, backed by a lifetime labor guarantee.

We serve Richmond, Oakland, Berkeley, Concord, Walnut Creek, and surrounding areas, offering free estimates and a commitment to resolving vehicle issues efficiently. Our industrial lift accommodates large vehicles, and we provide custom exhaust modifications and catalytic converter security solutions to meet diverse customer needs.
Services
Exhaust System Repair Catalytic Converter Installation Custom Exhaust Systems Catalytic Converter Security Cages Oil Changes Industrial Lift Services Muffler Deletes Sound Testing
Details
  • Year established: 2017
Highlights and features
  • We are family-owned with hands-on expertise since 2017.
  • Our exhaust specialists use top-tier parts with manufacturer warranties.
  • Lifetime labor guarantee backs all our repair work.
  • We offer free diagnostics and estimates for all services.
  • Custom catalytic converter security cages prevent theft effectively.
Services
Exhaust System Repair
We diagnose and repair exhaust system issues caused by road damage, wear, or leaks. Our experts replace or weld components like manifolds, catalytic converters, and mufflers to restore performance and safety. Services cover cars, trucks, SUVs, and RVs, ensuring compliance with emission standards and preventing toxic gas exposure.
Catalytic Converter Installation
We install California-compliant catalytic converters from brands like Magnaflow and Catco, offering OEM-equivalent or performance options. Parts include 5-year/50,000-mile warranties. Our team ensures proper fitment for smog compliance and engine efficiency, with same-day availability for most models.
Custom Exhaust Systems
Our specialists design custom exhaust systems for performance, sound, or ground clearance upgrades. Services include header installation, piping modifications, and full-system fabrication for cars, trucks, motorcycles, and classic vehicles. A sound test is available to tailor acoustics to customer preferences.
Catalytic Converter Security Cages
We install custom rebar cages and CCM plates to deter catalytic converter theft. Our patent-pending designs are welded to vehicles for durability. Solutions apply to Toyota Prius, Honda, Ford trucks, and commercial vehicles, with insurance guidance available to assist claim processes.
Industrial Lift Services
Our industrial lift accommodates large vehicles including RVs, box trucks, and commercial fleets. Technicians service heavy-duty catalytic converters and exhaust systems, ensuring safety and efficiency for HVAC, postal, and construction vehicles. The lift supports repairs requiring specialized equipment and expertise.
People
Jose Flores
Founder
Jose Flores established MGR Mufflers in 2017, leveraging years of automotive repair experience. He oversees operations with a focus on quality, ensuring customer satisfaction through expert exhaust system solutions and family-driven service values.
Liz Flores
Insurance Specialist
Liz Flores assists customers with catalytic converter theft insurance claims, offering expert guidance on coverage and policy details. Her industry knowledge ensures clients navigate insurance processes smoothly and efficiently.
Questions
What should I do if my check engine light turns on?
Visit us for a free diagnostic check. We'll identify issues like catalytic converter failure or exhaust leaks and recommend repairs to prevent further damage.
How do I know if my catalytic converter needs replacement?
A check engine light or reduced performance indicates potential failure. We'll inspect your system and specify which converter requires replacement.
What causes increased engine noise?
Noise often signals a stolen catalytic converter or exhaust leak. Both issues require immediate repair to ensure safety and prevent cabin fumes.
How can I prevent catalytic converter theft?
Install our custom anti-theft cages. These welded metal solutions deter thieves and protect your vehicle's catalytic converter effectively.
Will insurance cover a stolen catalytic converter?
Coverage varies. Comprehensive policies typically apply. Contact your insurer, and we'll coordinate repairs using your deductible if covered.
What if I'm unsure about my vehicle's issue?
Call us for free guidance. Our experts will help diagnose symptoms and recommend next steps for any exhaust or engine concerns.