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Muffler & Exhaust Shops in Derry, NH

5 of the 41 auto repair shops we list in Derry 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. Derry Rotary Auto Service

    133 E Broadway, Derry, NH 03038

    Mon–Fri 8am–6pm, Sat 8am–5pm, Sun closed

    State inspectionEuropean & importMuffler & exhaustFree estimates
    Call Website Directions

  2. Lou's Custom Exhaust

    183 Rockingham Rd, Derry, NH 03038

    Muffler & exhaust
    Call Website Directions

  3. Motor-Sport Tire and Auto Repair Center

    3 Tinkham Ave, Derry, NH 03038

    Transmission repairMuffler & exhaust
    Call Website Directions

  4. Lou's Custom Exhaust, Derry

    82 Rockingham Rd, Derry, NH 03038

    Muffler & exhaust
    Call Directions

  5. Derry Exhaust & Auto Services, Llc

    82 Rockingham Rd, Derry, NH 03038-7030

    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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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.