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Best Auto Repair, Billings

3906 1st Avenue S Billings, MT 59101

406-208-6740
Opening Hours
  • Mon 9:00AM - 6:00PM
  • Tue 9:00AM - 6:00PM
  • Wed 9:00AM - 6:00PM
  • Thu 9:00AM - 6:00PM
  • Fri 9:00AM - 6:00PM
  • Sat Appointment Only
  • Sun Appointment Only
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The Best Billings Exhaust System & Muffler Repair Services

At Guaranteed Auto Repair we know some drivers like a quiet exhaust system while others prefer a "the louder the better" approach. Either way, an unusual rattle when your car is running is a signal that it is time for an immediate inspection of your exhaust system.

High-Performance Header Upgrades
While exhaust manifolds and headers play a similar role, at Guaranteed Auto Repair we know they are miles apart on performance. Headers are upgrade parts designed for performance applications, while exhaust manifolds come standard. Both move exhaust away from the cylinder head to the exhaust pipe. Most noticeably, headers and its companion gaskets and wider exhaust pipe are much louder than a traditional manifold. But more importantly, the header improves exhaust system performance.

Quiet Exhaust and Muffler Services
Come to Guaranteed Auto Repair and keep your exhaust system running smoothly. At Guaranteed Auto Repair we know you count on your exhaust system and muffler to reduce noise and normalize your engine's back-pressure. When your exhaust system is faulty it can be very loud, but more importantly, it can impact your engine performance. Whatever the problem, we can repair it and get you back on the road quickly. Come by Guaranteed Auto Repair today at 3906 1st Avenue S.

  • Catalytic Converter Replacement: Your catalytic converter is the most expensive part of your exhaust system. When your catalytic converter begins to fail, you will hear a very loud rattling noise or your "check engine light" will begin to flash. Come by Guaranteed Auto Repair at 3906 1st Avenue S and we will diagnose the problem right away.
  • O2 Sensor Replacement: Ask any mechanic at Guaranteed Auto Repair and they will tell you to have your O2 sensor inspected regularly. Oxygen sensors work in conjunction with your catalytic converter to monitor the amount of oxygen in your car's exhaust system. Your O2 sensor determines if your air to fuel ratio is balanced in real-time as you accelerate or idle. It helps your engine controller adjust the flow of fuel to maintain optimum oxygen to fuel mixture.

Discover More About Exhaust Repair Services At Guaranteed Auto Repair in Billings

Machine Work

coupons

AC services starting at $195

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Includes a system check and Freon evac/recharge to OEM specification (R134A only)

  • ASE (Automotive Service Excellence)
  • Billings Chamber of Commerce
  • Billings Drag Racing
  • EPA Certified
  • NFIB (National Federation of Independent Business)
  • AutoZone Pro
  • Car Care Aware

Testimonials

, 11/16/2019
Won't take my car anywhere else
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