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Car Auto Repairs of Texas

Texas auto repair service

Exhaust, Muffler & Catalytic Converter Repair in Texas

Quick answer

A loud exhaust, rotten-egg smell, rattling under the car, or a P0420 code usually means an exhaust leak or failing catalytic converter. We repair and replace mufflers, pipes, flex joints, O2 sensors, and catalytic converters — including theft replacements. Typical cost: $150 – $450 muffler · $900 – $2,500 catalytic converter. Call 469-402-3923 for a same-day appointment.

Call 469-402-3923

What's included in exhaust & catalytic converter repair

  • Exhaust leak inspection
  • Muffler and pipe replacement
  • Flex pipe and hanger repair
  • Oxygen sensor replacement
  • Catalytic converter replacement (EPA-compliant)

A loud exhaust, rotten-egg smell, rattling under the car, or a P0420 code usually means an exhaust leak or failing catalytic converter. We repair and replace mufflers, pipes, flex joints, O2 sensors, and catalytic converters — including theft replacements. Every job at Car Auto Repairs of Texas comes with a written estimate.

Exhaust, Muffler & Catalytic Converter Repair in progress

Our exhaust & catalytic converter repair process

  1. 1

    Call or request a quote

    Tell us about your vehicle and the exhaust repair you need. Same-day appointments are common.

  2. 2

    Inspect & test

    An ASE-certified technician inspects the vehicle and documents findings with photos.

  3. 3

    Approve a written estimate

    You get an itemized price upfront. Nothing starts until you approve it.

  4. 4

    Complete & road-test

    We finish the work with quality OEM or OE-equivalent parts and road-test before handoff.

How much does exhaust & catalytic converter repair cost?

$150 – $450 muffler · $900 – $2,500 catalytic converter

Final price depends on your vehicle. You'll always get a written estimate before work begins.

Exhaust & Catalytic Converter Repair FAQs

Rotten-egg smell, sluggish acceleration, rattling, a P0420/P0430 code, or failing emissions testing.

If your car suddenly sounds extremely loud on startup, it may have been cut out. We replace stolen converters quickly.

Not for long — leaks can let carbon monoxide into the cabin. Get it inspected promptly.

We offer EPA-compliant aftermarket and OEM options and explain the tradeoffs.

Exhaust & Catalytic Converter Repair near you

Dallas–Fort Worth Metroplex

Greater Houston

San Antonio & Hill Country

Austin & Central Texas

Related exhaust & catalytic converter repair guides

How to Tell If Your Catalytic Converter Is Bad

Symptoms, codes, tests, and replacement costs for failing catalytic converters.

6 min read

What Your Check Engine Light Really Means

Steady vs. flashing, the most common causes, and when it's safe to keep driving.

7 min read

Related services

Car trouble? We're open until 11:45 PM, every day.

Call now for a free quote and same-day service across Texas.

Call 469-402-3923