Catalytic Converter Replacement
in Portland, OR

Restore Performance with Expert Catalytic Replacement

EXHAUST SYSTEM SERVICE

A failing catalytic converter can reduce engine performance, trigger your check engine light, and affect emissions compliance. At MM Auto Repair And Service, we provide professional catalytic converter replacement in Portland, OR to restore proper exhaust flow and vehicle efficiency. Our team ensures correct installation and reliable performance.

Diagnostic Inspection

We inspect your exhaust system and perform diagnostics to confirm catalytic converter issues before replacement.

Professional Replacement

We replace damaged or restricted catalytic converters using quality components to help restore engine performance and emissions function.

Schedule Catalytic Replacement

Check Engine Light On? It Could Be Your Catalytic Converter.

A failing catalytic converter can reduce performance and affect emissions compliance. Schedule your catalytic inspection and replacement at MM Auto Repair And Service in Portland, OR today.

Schedule Exhaust Inspection
EXHAUST SYSTEM PERFORMANCE

Professional Catalytic Converter Replacement for Performance & Compliance

Your catalytic converter plays a critical role in reducing harmful emissions and maintaining proper engine performance. At MM Auto Repair And Service, we provide reliable catalytic converter replacement in Portland, OR to restore exhaust efficiency and help your vehicle meet emissions standards.

Proper catalytic function supports engine efficiency and environmental compliance.

Schedule Catalytic Service Today
Complete Exhaust System Evaluation

We inspect related exhaust components to ensure your system functions correctly after replacement.

Signs You May Need Catalytic Replacement

Reduced engine power, rattling noises, poor fuel efficiency, or a persistent check engine light may indicate catalytic converter failure.

testimonial

Trusted by Portland Drivers & Local Businesses

We’re proud to serve our Portland community with dependable auto repair and tire services. From quick oil changes and brake repairs to exhaust work like muffler service and catalytic replacement, we focus on quality results and clear communication.
Read what customers say about their experience at MM Auto & Tire Service.

I came in for a brake noise and they checked everything right away. They explained what needed to be done and didn’t try to sell me extra stuff. The price was fair and my car feels great now. I’ll definitely be coming back.

Sarah M. “Fast service and no pressure.”

I had a tire problem on my way to work and stopped by MM Auto & Tire Service. They got me in quickly and had me back on the road without making it a big hassle. Super friendly and professional.

Jason R. Saved me the same day with a tire issue.”

My car was loud and I needed exhaust work done. They handled the muffler repair and welding and it came out clean. The shop kept me updated and the turnaround time was better than I expected.

Maria L. “Great exhaust work — muffler repair was solid.”

I needed a catalytic replacement and was worried it would take forever. They explained the process, gave me a clear estimate, and finished the job with no surprises. My car runs smoother and the check engine light is gone.

Daniel K. “Catalytic replacement done right.”

Visit Our Location in Portland, OR — We Also Serve Nearby Areas

Stop by MM Auto Repair And Service for auto repair, tire services, and exhaust work. We’re conveniently located in Portland, OR and welcome drivers from surrounding neighborhoods and cities.