About Us
EXPERT MECHANICS WHO HELP
YOU GET THE BEST OUT OF YOUR CAR
At Southside Muffler & Radiator, we're proud to continue the tradition of quality workmanship, honest service, and automotive expertise established by the trusted team behind SOCO Muffler. As our newest location, Southside was created to bring that same commitment to even more drivers throughout Austin.
Owned by Rony Colindres and Fernando Lira, Southside Muffler & Radiator is built on family values, integrity, and a commitment to doing every job right. We believe every customer deserves honest recommendations, quality workmanship, and repairs completed with care and attention to detail.
Our experienced technicians specialize in custom exhaust systems, catalytic converters, radiator repair and fabrication, A/C service, advanced vehicle diagnostics, and complete automotive repair. Whether you visit us for routine maintenance, a custom exhaust, or a more complex repair, we use modern diagnostic equipment and proven repair techniques to ensure every job is done right.
At Southside Muffler & Radiator, we take the time to understand your vehicle's needs, explain your options clearly, and recommend only the services your vehicle truly needs. Our goal is not only to repair your vehicle but also to build lasting relationships with every customer who trusts us to keep them safely on the road.
We look forward to welcoming you to Southside Muffler & Radiator and providing the trusted service, quality workmanship, and friendly experience that have made our family of shops a name drivers can count on throughout Austin.

Rony Colindres & Fernando Lira Owners, Southside Muffler & Radiator

Core Values
WHY DRIVERS CHOOSE US
Your Safety
Comes First
Your safety is at the heart of everything we do. Every repair is completed with quality parts, proven techniques, and careful attention to detail to help keep you and your vehicle safely on the road. We take pride in delivering dependable repairs you can trust.
Professional & Reliable Team
Our experienced technicians are committed to providing honest, dependable service on every job. From routine maintenance to complex repairs, we have the knowledge, equipment, and experience to get the job done right the first time.
Advanced Diagnostic Equipment
Using modern diagnostic technology, we accurately identify problems before recommending repairs. This helps save you time, avoid unnecessary expenses, and ensures your vehicle receives the care it truly needs.
Personalised Service
Every customer and every vehicle is different. We take the time to understand your concerns, explain your options clearly, and recommend solutions that fit your vehicle and your budget. Our goal is to make every visit simple, honest, and stress free.
Customer First
At Southside Muffler & Radiator, you're more than just another customer. We believe great service starts with honest communication, quality workmanship, and treating every vehicle with the same care and attention we'd give our own.
