Exhaust System Services in Longmont, CO

Cleaner Emissions, Quieter Rides — Trusted Exhaust Repair in Longmont

A healthy exhaust system isn’t just about reducing engine noise—it protects your health, improves fuel efficiency, and keeps harmful emissions out of Longmont’s beautiful Colorado air. At Christian Brothers Automotive Longmont, we provide expert exhaust system diagnostics and repairs for drivers throughout Boulder County.

Whether you're commuting along Highway 287, driving through Old Town, or planning a weekend in Lyons or Estes Park, your car's exhaust system should be functioning at peak performance.

Signs You May Need Exhaust System Service:

  • Loud rumbling or hissing sounds
  • Decreased fuel efficiency
  • A noticeable exhaust or gas smell inside the cabin
  • Check engine light related to the emissions system

What We Offer Longmont Drivers:

Our ASE-Certified technicians will inspect your entire exhaust system—from the manifold and oxygen sensors to the muffler and catalytic converter—to identify problems and recommend cost-effective solutions.

Our exhaust services include:

  • Exhaust leak detection & repair
  • Catalytic converter service
  • Muffler and tailpipe repair or replacement
  • Emissions system diagnostics
  • Oxygen (O2) sensor testing



Why Longmont Locals Choose CBA:

  • Honest estimates with clear explanations
  • Complimentary shuttle service so you’re never stuck
  • Friendly, respectful team who treats you like family
  • 3-Year / 36,000-Mile Nice Difference® Warranty for peace of mind
  • Conveniently located near Martin St & Ken Pratt Blvd

We understand the importance of clean air and reliable transportation in Longmont. That’s why we’re committed to maintaining your vehicle’s performance and minimizing its environmental impact—one exhaust system at a time.

Schedule Your Exhaust System Testing Today

Visit Christian Brothers Automotive Longmont for professional, transparent exhaust repairs backed by hometown integrity. Book your appointment online or give us a call today.

How Christian Brothers Automotive Can Help

At Christian Brothers Automotive, our certified technicians are well-versed in exhaust and muffler problems and the latest methods of remedying them. We work with both sound-absorbing mufflers and baffled chambered mufflers, and we can handle the exhaust problems that are common among all major makes and models. We can also diagnose engine skipping and other troubles that could lead to a costly replacement of your catalytic converter. No matter what exhaust problem you’re facing, our team is ready to help get your vehicle back into tip-top shape.

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Your Local Christian Brothers Amenities

Certified Technicians
Free Shuttle Service
Free Wifi
Courtesy Inspections

FAQs

  • Q. "Why is smoke coming out of my exhaust system?"
    You are able to locate the problem based on the color of the smoke. Take a look at this article to identify the potential issue based on the color.
  • Q. "How do I tell if my exhaust system is leaking?"
    If you are experiencing a rumbling engine noise, a decreased fuel economy, or a vibrating gas pedal, this could be a sign that you have an exhaust system leak.
  • Q. "How do I tell if something is wrong with my muffler?"
    Some common signs of muffler issues include: abnormally loud noise, strong fumes, and loss in fuel economy or power.
  • Q. "What is the purpose of my vehicle's muffler?"
    The muffler is responsible for tuning your engine's noise and helps balance fuel efficiency and power. Some like a louder more powerful car, while others prefer a quiet and efficient drive. It is up to your personal preference what type of muffler is best for you. Click here to learn more.
  • Q. "Do you offer a warranty?"
    As part of our Nice difference.® commitment to providing our customers the best auto service experience possible, we also offer a 3-year/36,000-mile warranty on all the work that we do. We offer this warranty at every Christian Brothers Automotive nationwide, and it will be honored at any location, regardless of which branch did the initial work.
  • Q. "What is a Digital Vehicle Inspection?"
    With a complimentary Digital Vehicle Inspection (DVI) on every visit, you’ll see firsthand photos of your vehicle from under the hood. We’ll let you know if everything is functioning properly or if there are any areas of concern. You can even approve or deny our service recommendations, all straight from your smartphone, or you can, of course, give us a call and we’ll explain our findings in further detail.

Have more Questions?

Our friendly auto service experts have the answers.

Call your local Christian Brothers Automotive car shop today

Hear What Our Customers Had to Say About Us

  • "I liked the customer service and going above and beyond to make sure I was comfortable while waiting in the store for my vehicle work to be done, specifically being offered a nice hot coffee with creamer."

    - J.L.

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