From routine repairs and replacements to custom exhaust upgrades, we can help build a system that fits your vehicle and your driving style. We provide exhaust system repair for drivers throughout Albuquerque and the surrounding area, including Rio Rancho, Corrales, and Los Ranchos de Albuquerque. Exhaust components take a beating from New Mexico's dust, heat, and the constant expansion-and-contraction cycling of cold mornings and hot afternoons — and a rattle or a sudden change in how the car sounds is one of the most common reasons drivers bring a vehicle in.
What's Included
- Full exhaust system inspection and leak diagnosis, from the manifold back to the tailpipe
- Muffler, resonator, and exhaust pipe repair and replacement
- Catalytic converter replacement, including CARB-compliant units and stolen-converter repair
- Exhaust manifold and flex-pipe repair
- Oxygen sensor and heat-shield replacement
- Hanger and mount replacement to stop rattles and vibration
- Welding and custom fabrication
- Cat-back and custom exhaust builds, plus performance and sound-focused upgrades
Signs You May Need Exhaust Service
Rattling or scraping sounds, a noticeably louder ride, a droning vibration at highway speed, reduced fuel economy, a check engine light, or a smell of exhaust inside the cabin are all reasons to have your exhaust system inspected. A rattle at idle that quiets down as the engine warms usually means a loose heat shield or a worn hanger. A sudden jump in loudness points to a leak or a hole in the pipe or muffler. A rotten-egg or sulfur smell often traces back to the catalytic converter. Any exhaust smell inside the cabin should be checked right away, since that can mean gases are entering the vehicle rather than leaving through the tailpipe. Seeing smoke too? Read our full guide: Why Is My Exhaust Rattling or Smoking?
Catalytic Converter Replacement & Theft Repair
Catalytic converter theft is a real problem in Albuquerque, and trucks and hybrids sit highest on the target list — the Toyota Tacoma, Tundra, and Prius in particular. If yours was cut off, you'll usually know it the moment you start the engine: a loud, deep roar and often a check engine light. We can replace the converter with a CARB-compliant unit that will still pass a New Mexico emissions test, repair the pipe and any wiring that was cut to the oxygen sensors, and add a skid-plate shield or a cable cage to make the next attempt harder and slower. We can also photograph and document the damage for an insurance claim. If your converter is failing rather than stolen — poor mileage, a sulfur smell, a P0420 code — the same diagnosis applies: we confirm the converter is actually the fault before replacing it, since an upstream leak or a bad sensor can trigger the same code. See our dedicated catalytic converter replacement page for more.
Exhaust Leaks and Your Emissions Test
Bernalillo County requires an emissions test for most vehicle registrations, and the exhaust system is a common reason a car fails. A leak ahead of the oxygen sensors can skew the fuel mixture enough to fail the tailpipe portion, and a leak anywhere in the system can keep the readiness monitors from completing — which counts as an automatic non-pass even if nothing else is wrong. If your check engine light is on or you've already failed once, we inspect the full system, fix the leak or replace the converter, and make sure the monitors are set before you go back. For the diagnostic side of a failed test, see emissions repair and failed emissions test help.
Custom & Performance Exhaust
We also build exhaust for drivers who want a specific sound or better flow — cat-back systems, high-flow converters where legal, and full custom fabrication for project vehicles. Because the same team inspects, diagnoses, and welds, a build that starts as "fix this rattle before my road trip" and turns into "while you're under there" doesn't get lost between two different shops.
Exhaust Repair Serving Albuquerque's North Valley
Based at 4201 4th St NW in the North Valley, we handle exhaust repairs and custom builds for drivers in Los Duranes, Griegos, Wells Park, and the Sawmill District, as well as Rio Rancho and Corrales. Whether it's a quick weld to fix a rattle before a road trip or a full cat-back build for a project car, the same team handles the diagnosis and the fabrication.
Frequently Asked Questions
Why does my exhaust sound louder than it used to? A sudden increase in noise usually means a leak or a hole has developed at a joint, the muffler, or a rusted-through pipe — worth inspecting, since a bigger leak can let exhaust gases into the cabin.
Will fixing my exhaust improve my gas mileage? A leak upstream of the oxygen sensors can throw off the fuel mixture and hurt mileage, so repairing it can help. A properly sized aftermarket exhaust mostly affects sound and flow.
Can an exhaust leak cause my vehicle to fail a Bernalillo County emissions test? Yes. A leak ahead of the oxygen sensors or a failing catalytic converter can fail the test outright, and a leak anywhere in the system can stop the readiness monitors from completing, which is an automatic non-pass. We check the full system and confirm the monitors are set before you go in.
Someone stole my catalytic converter — can you replace it? Yes. Theft is common here, especially on the Toyota Tacoma and Prius. We install a CARB-compliant converter, repair any cut pipe or sensor wiring, add a shield or cage to deter the next attempt, and can document the damage for insurance.
Is it safe to drive with a loud exhaust or a rattle? A loose heat shield is mostly an annoyance, but a hole in the pipe or muffler is worth addressing sooner — exhaust that escapes before the tailpipe can reach the cabin, and carbon monoxide has no reliable smell. If you smell exhaust inside the vehicle, have it looked at right away.
Do you weld exhaust or only replace whole sections? Both. When a pipe or joint can be repaired with a proper weld we'll do that rather than sell you a full assembly. When a part is rusted through or only sold as a welded unit, replacement is the better value. We'll tell you which applies before starting.

