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Muffler & Exhaust Shops in Walnut Creek, CA

6 of the 73 auto repair shops we list in Walnut Creek 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. Gilmore's Auto Service

    2151 N Broadway, Walnut Creek, CA 94596

    Mon–Fri 8:00 AM–4:30 PM

    State inspectionTransmission repairDiesel & truckMuffler & exhaustA/C repair
    Call Website Directions

  2. A-1 Brake & Tire

    2008 Mt Diablo Blvd, Walnut Creek, CA 94596-4302

    Mon–Fri 8:00 AM–5:00 PM

    Smog & emissionsTransmission repairMuffler & exhaustLoaner or shuttle
    Call Website Directions

  3. Frank's Auto Service and Repair

    1255 Boulevard Way, Walnut Creek, CA 94595

    Mon–Fri 8:00 AM–5:00 PM

    Transmission repairMuffler & exhaustA/C repairLoaner or shuttle
    Call Website Directions

  4. Roesbery Car Care

    3099 N Main St, Walnut Creek, CA 94597

    Smog & emissionsTransmission repairMuffler & exhaust
    Call Website Directions

  5. Broadway Muffler Service

    2596 N Main St, Walnut Creek, CA 94597-3153

    Muffler & exhaust
    Call Directions

  6. Discount Mufflers & Brakes

    2040 N Main St Ste 21, Walnut Creek, CA 94596

    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 Walnut Creek

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.