Emissions Station hours: Mon - Fri: 8:30 AM - 4:30 PM

For Emissions Questions Call (208) 459-0399

Shop Hours: Mon - Fri: 8:00 AM - 6:00 PM

2Y/24K Mile Warranty Available

Shuttle Service Available

McDonalds Next Door

Starbucks Next Door

Words From Our Clients:

“Ed and his folks,are extremely competent and by far the best repair shop in Idaho. They have fair pricing for their services and have a well deserved reputation throughout the state.”
David Marshall
“These guys made my car sound AMAZING, the exhaust expert seems likes a genuine guy who cares about his work. These guys are very professional and I HIGHLY recommend them for any car service you might need.”
Juan Martinez

Team Photo

Welcome ToUnited Muffler & Brake

Team Photo

Welcome to United Muffler & Brake in Caldwell, ID, the complete auto care and emissions specialists in the area. At our Caldwell auto repair shop, our ASE Master certified technicians are experienced with just about every make and model of vehicle and will provide you with honest and trustworthy service.

When you bring your vehicle into our Caldwell auto repair shop, we guarantee complete satisfaction and will efficiently handle all of your vehicle’s needs, from general maintenance to major repairs. We offer our quality service at affordable prices in order to serve everyone in our community. We also offer warranty on our repairs so you can have peace of mind knowing that our work will always be done right, or we will fix it.

United Muffler & Brake is your destination for smog testing and repair here in Caldwell, ID. Whether you are due for an emissions test or you are failing emissions and need a repair, you can trust that United Muffler & Brake can perform the services necessary to get you your smog certification.

Give us a call today or use our online appointment form to schedule your next visit to our shop!

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We Are Napa Auto Care Center

NAPA Peace of Mind Warranty

• NAPA Peace of Mind Warranty

With the NAPA Peace of Mind Warranty service, we stand behind the service and repairs we provide you with!

2yr/24K warranty

• 2yr/24K warranty

Have your vehicle serviced with us and remain protected with our warranty! We guarantee you, you won’t regret it!

NAPA Easy-Pay

• NAPA Easy-Pay

Manage your account and bills securely, and find out how you can make a bigger purchase far more manageable here!

NAPA Auto Care Center24 months 24 000 miles

We Offer 2 Year/24K Nationwide Warranty

For more information Click here

Engine Repairs

Brake Repairs

Oil Change

Belts & Hoses

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Domestic Vehicle Service

Domestic Vehicle Service

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All Credit Cards Accepted!