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

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

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

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 near Katy neighborhoods
Exhaust & Catalytic Converter Repair in nearby cities
Other auto repair services in Katy
- Check Engine Light Diagnostics in Katy →
- Brake Repair in Katy →
- Car AC Repair in Katy →
- Oil Change in Katy →
- Transmission Repair in Katy →
- Suspension & Steering Repair in Katy →
- Car Battery & Electrical Repair in Katy →
- Engine Repair in Katy →
- Wheel Alignment in Katy →
- Tire Repair & Replacement in Katy →
- Texas State Inspection in Katy →
- Pre-Purchase Car Inspection in Katy →
- Fleet & Commercial Vehicle Repair in Katy →
- Diesel Truck Repair in Katy →
- Hybrid Car Repair in Katy →
- Tune-Up & Fuel System Service in Katy →
Learn more about exhaust, muffler & catalytic converter repair · All Katy services
Helpful exhaust & catalytic converter repair guides
Book exhaust & catalytic converter repair in Katy today
Call now for a free quote and same-day service across Texas.
