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Best Auto Repair, Helena

1339 11th Ave Helena, MT 59601

Opening Hours
  • Mon 8:00AM - 5:00PM
  • Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
  • Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
  • Sat 9:00AM - 1:00PM
  • Sun Closed

406-442-7253 | 1339 11th Ave Helena, MT 59601

Boulder Auto Repair

Boulder Auto Repair

Top Quality, Affordable Auto Repair Services Near Boulder - Call Today 406-442-7253

When drivers in Boulder need cost conscious auto repairs they call Guaranteed Muffler. Since 1998, Guaranteed Muffler has been delivering professional and competitively priced auto repairs to the Boulder area.

Guaranteed Muffler provides top-quality auto repairs to keep foreign or domestic cars and trucks running at peak performance. Call Guaranteed Muffler near Boulder at 406-442-7253 for fast, affordable auto repairs. Customer satisfaction is our goal!

Discover More About Our Professional Repair Services At Guaranteed Muffler in Helena

Brakes & Brake Repair
Avon Auto Repair

  • ASE (Automotive Service Excellence)
  • World Pac
  • BBB (Better Business Bureau)
  • Car Care Aware


They installed a new muffler in my old Subaru earlier this week. They called me to discuss and gave me a quote (only 99 dollars, including installation!) before beginning work and had my car done exactly when they said they would, which only took a couple of hours even though I did not need the repair done quickly. My car sounds great and I will definitely use them again.
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