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Katy, Harris County

Best Exhaust & Catalytic Converter Repair in Katy, Texas

Quick answer

For fast, honest exhaust & catalytic converter repair in Katy, call 469-402-3923. Typical cost: $150 – $450 muffler · $900 – $2,500 catalytic converter. Our ASE-certified technicians offer same-day appointments, written estimates, and a 12-month / 12,000-mile warranty — open 8 AM to 11:45 PM daily.

Same-day appointments, typically within 2–4 hours

Loud exhaust, rattles, failed emissions, and catalytic converter replacement. The inspection focuses on exhaust leak inspection, muffler and pipe replacement, flex pipe and hanger repair. For drivers in Katy, including Cinco Ranch and Old Town Katy and Katy Mills, note when the symptom starts and whether it changes during your usual journey.

Exhaust, Muffler & Catalytic Converter Repair for Katy drivers

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.

Car Auto Repairs of Texas serves Katy drivers from Cinco Ranch, Old Town Katy, Katy Mills and across ZIP codes 77449, 77450, 77494. Whether you drive a commuter sedan, a family SUV, or a work truck for your business, we handle exhaust & catalytic converter repair for personal and fleet vehicles throughout Greater Houston.

Inspection in focus

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Illustration of a technician using a diagnostic scanner

Computer diagnostics

A fault code identifies a system to investigate, not necessarily a part to replace.

Illustration of a battery tester connected to car battery terminals

Battery testing

Battery testing is one part of investigating starting and charging concerns.

Illustration of a technician inspecting a vehicle on a lift

Hands-on inspection

A hands-on inspection helps connect the driver's symptoms with the vehicle's condition.

Illustrative images, not customer repair photographs.

What's included in our Katy exhaust & catalytic converter repair

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

Exhaust & Catalytic Converter Repair cost in Katy, TX

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

Prices vary by year, make, and model. You'll get a written estimate before any work starts.

Exhaust & Catalytic Converter Repair in Katy: common questions

Exhaust & Catalytic Converter Repair in Katy typically costs $150 – $450 muffler · $900 – $2,500 catalytic converter. Your exact price depends on the vehicle; Car Auto Repairs of Texas provides a written estimate first.

Car Auto Repairs of Texas serves Katy and nearby Cinco Ranch and Old Town Katy with ASE-certified technicians and same-day appointments. Call 469-402-3923.

Usually, yes. Same-day appointments, typically within 2–4 hours, and we're open until 11:45 PM every day.

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.

Exhaust & Catalytic Converter Repair near Katy neighborhoods

Exhaust & Catalytic Converter Repair in nearby cities

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Book exhaust & catalytic converter repair in Katy today

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Call 469-402-3923