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Muffler & Exhaust Shops in Simi Valley, CA

6 of the 95 auto repair shops we list in Simi Valley 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. Addiction Motorsports Inc

    480 E Easy St Ste 2, Simi Valley, CA 93065-7549

    Mon–Fri 8am–5pm

    Muffler & exhaust
    Call Website Directions

  2. Asian Autoworks

    2060 Sinaloa Rd, Simi Valley, CA 93065-1834

    Mon–Fri 8:00am–5:30pm, Sat 7:30am–2:00pm

    Transmission repairMuffler & exhaustA/C repair
    Call Website Directions

  3. Bill's Quality Auto Care

    2016 Donville Ave, Simi Valley, CA 93065

    Mon–Fri 7:30am–5:30pm

    Smog & emissionsTransmission repairDiesel & truckEuropean & importMuffler & exhaustA/C repairLoaner or shuttle
    Call Website Directions

  4. Dependable Car Care

    964 Chambers Ln, Simi Valley, CA 93065

    Muffler & exhaust
    Call Website Directions

  5. Yosemite Auto Care

    5956 E Los Angeles Ave Ste 8, Simi Valley, CA 93063-4369

    Muffler & exhaustA/C repairLoaner or shuttle
    Call Website Directions

  6. Magic Muffler & Auto Care Center

    886 E Los Angeles Ave, Simi Valley, CA 93065

    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 Simi Valley

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.