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Muffler & Exhaust Shops in St George, UT

6 of the 75 auto repair shops we list in St George have muffler and exhaust work.

A loud exhaust, a rattle under the car or a failed emissions test often comes down to the exhaust system, and muffler shops can bend and weld pipe on the spot. Every shop here names muffler, exhaust or catalytic converter work in its business name, listing or on its own website.

  1. Hummel's Automotive Diagnostics and Repair

    867 Factory Dr, St George, UT 84790

    Mon–Fri 8am–5:30pm

    Transmission repairDiesel & truckEuropean & importMuffler & exhaustA/C repairFinancingLoaner or shuttle
    Call Website Directions

  2. JLM Automotive

    528 W 300 N, St George, UT 84770

    Mon–Fri 8am–5:30pm, Sat–Sun closed

    Muffler & exhaustA/C repairFinancingLoaner or shuttleSe habla español
    Call Website Directions

  3. Southern Utah Auto Tech

    958 N 1100 W, St George, UT 84770

    Transmission repairMuffler & exhaustA/C repair
    Call Website Directions

  4. Amoretti Diesel

    1030 E Commerce Dr, St George, UT 84790-4885

    Diesel & truckMuffler & exhaust
    Call Website Directions

  5. St. George Muffler & Radiator

    28 N 700 E, St George, UT 84770

    Muffler & exhaust
    Call Directions

  6. Gene's O K Tire & Muffler LLC

    339 W Saint George Blvd, St George, UT 84770

    Muffler & exhaust
    Call Directions
Ask for a look underneath first. Many leaks can be fixed by replacing one section or a gasket instead of the whole system. If your catalytic converter is replaced, ask whether the part is legal in your state — California and some other states require CARB-approved converters.

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Muffler & Exhaust Shops near St George

Good to know

How much does a muffler replacement cost?

Replacing a muffler typically costs about $100–300 at an independent shop; a full exhaust system or a catalytic converter costs considerably more, depending on the vehicle.

Is it legal to drive with a loud exhaust?

Most states have laws against excessive exhaust noise and against removing emissions equipment, so a hole in the exhaust can lead to a ticket or a failed inspection.