At Southside Muffler & Radiator, we do more than repair vehicles. We help keep you safely on the road. Every repair is backed by honest service, skilled craftsmanship, and a commitment to doing the job right the first time.

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Southside Muffler & Radiator is the newest addition to our family of shops, carrying forward the trusted workmanship, experienced technicians, and customer first service that have earned the confidence of drivers throughout Austin for years.

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Owned by Rony Colindres and Fernando Lira, our shop specializes in custom exhaust systems, catalytic converters, radiator repair and fabrication, A/C service, and advanced vehicle diagnostics. Whether you need a reliable repair for your daily driver or a custom exhaust that delivers the sound and performance you're after, our experienced team has the knowledge and equipment to get the job done right.

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Using years of hands on experience combined with modern diagnostic technology, we take the time to accurately identify the problem, explain your options, and provide repairs you can feel confident about. No unnecessary upselling, just honest recommendations, quality workmanship, and dependable service built to handle the demands of Texas roads.

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Why Choose Us?

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• Experienced, Local Ownership: Proudly owned and operated by Rony Colindres and Fernando Lira, with a commitment to honest, dependable service.

• Specialized Expertise: Custom exhaust systems, catalytic converters, radiator repair and fabrication, A/C service, and complete auto care.

• Honest Diagnostics: We take the time to identify the real problem and explain your options before any work begins.

• Quality Workmanship: Precision repairs, clean welds, and premium materials built to perform and last.

• Customer First Service: Every vehicle is treated with the same care and attention to detail as if it were our own.

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