Get top-notch auto repair services today at Guaranteed Muffler. From AC repair to transmission services, our goal is to offer expert auto repairs at an affordable price. We are conveniently located near you in Helena. Come by our shop at 1339 11th Ave or call today to schedule an appointment at 406-442-7253.
We know your time is money. Most truck or car maintenance services can be completed while you wait. Many repairs such as AC repair, brakes, and transmission repairs will be performed that day. Straight forward or complicated, our mechanics will get your auto repairs done quickly and get you back on the road right away.
We know your time is money. Most truck or car maintenance services can be completed while you wait. Many repairs such as AC repair, brakes, and transmission repairs will be performed that day. Straight forward or complicated, our mechanics will get your auto repairs done quickly and get you back on the road right away.
Services
Guaranteed Muffler is a full-service preventive maintenance and auto repairs center in the Helena, MT 59601 area, specializing in 4x4 Services, Alignment, Brakes, Car & Truck Care, Diesel Exhaust Repair, Domestic Cars & Trucks, Electrical Services, Electronic Services, Engine & Transmission, Engine Maintenance, General Services, Heating and Cooling Services, Import Cars & Trucks, Miscellaneous Services, Transmission Services and Undercar Services since 1998.
Recommend corrective and maintenance services and explain to the customer which of these is required now to correct existing problems and which are for preventive maintenance. Obtain prior authorization for all work done, in writing or by other means satisfactory to the customer. Make every effort to keep the customer informed about appointments and completion deadlines.
To keep your vehicle running properly at all times, we offer a number of services in the Helena, MT 59601 area that are carried out by our certified, expert auto service and repair technicians who have years of experience performing everything from oil changes to a complete engine overhaul.
We use high-tech diagnostic equipment to guarantee your vehicle is repaired and/or serviced correctly the first time around, and we only use the highest quality replacement parts, filters, oils, and components when it comes to your car.
We use high-tech diagnostic equipment to guarantee your vehicle is repaired and/or serviced correctly the first time around, and we only use the highest quality replacement parts, filters, oils, and components when it comes to your car.
We do it faster and better. Our staff of specially trained technicians supports our national computer database of more than 600,000 repair records. If an Advance Auto Parts part should fail during the manufacturer's warranty period more than 25 miles from a TECH-NET facility, the nearest Advance Auto Parts Auto Parts Store or TECH-NET Service Center will replace it.
When you have service and repairs performed at a TECH-NET PROFESSIONAL AUTO SERVICE center, you're covered by a Worry-free Driving Nationwide Warranty. The Worry-free Driving Nationwide Warranty reaches across North America when you need it most providing vehicle protection on qualifying service and repairs.
Reviews (7)
Kate Mccourt
Oct 05, 2021
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Jacob Stetzer
Oct 04, 2021
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Jason over there and guaranteed muffler is awesome. Did exactly what I needed. I even had to send someone over there to collect my car for me since I was out of town when the work was done and Jason was polite professional with the individual I had dealing with him. If I could give this post a thousand stars I would
Chaboon Davis
Aug 06, 2021
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Stephen Tague
Jul 28, 2021
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Jason C.
Jul 01, 2021
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Positive: Professionalism, Punctuality, Quality, Value
I have been taking my vehicles to Garenteed Muffler since I was around eighteen. Now in my 40's I was just there last week. I have never been disappointed with any repairs or any work. Extremely professional, quality work and fair pricing! Jason is awesome! And we have the same name.
Services: General repairs & maintenance, Steering/Suspension, Brakes, Tuning, Check engine light diagnostic, Wheel alignment, Exhaust, Engine repair, Battery
I have been taking my vehicles to Garenteed Muffler since I was around eighteen. Now in my 40's I was just there last week. I have never been disappointed with any repairs or any work. Extremely professional, quality work and fair pricing! Jason is awesome! And we have the same name.
Services: General repairs & maintenance, Steering/Suspension, Brakes, Tuning, Check engine light diagnostic, Wheel alignment, Exhaust, Engine repair, Battery
Jack B. Pierre Nd
Dec 17, 2020
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Positive: Professionalism, Punctuality, Quality, Value
I had an emergency when my road king exhaust broke. I brought the y pipe in and these guys welded it up stronger than before and didn’t charge me a penny. Great guys with great skills and big hearts. Very impressed and will be bringing all my exhaust needs to this shop!!
Service: Exhaust
I had an emergency when my road king exhaust broke. I brought the y pipe in and these guys welded it up stronger than before and didn’t charge me a penny. Great guys with great skills and big hearts. Very impressed and will be bringing all my exhaust needs to this shop!!
Service: Exhaust
Jaidon Marcum
May 27, 2020
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