Exhaust System Repairs

Hartford, WI | Erin, WI

12-Month/24,000-Mile Warranty on All Auto Repairs

We Work With All Insurance and Aftermarket Warranty Companies

Carfax Top-Rated Dealer

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Reliable Exhaust System Repairs That Keep Your Vehicle Running Right

At M&J Auto Sales & Service, we've been helping drivers around Hartford, WI since 2009 with honest, dependable exhaust system repairs. Our family-owned shop brings over 75 years of combined experience to every job, and our ASE certified technicians know exactly how to diagnose and fix exhaust problems quickly and correctly.

If you're hearing strange noises, smelling fumes, or noticing your vehicle isn't performing like it should, we'll get to the root of the problem. We stand behind our work with a 12-month/24,000-mile warranty on all auto repairs, and we've earned a great reputation by treating customers the way we'd like to be treated. Give us a call today to schedule your exhaust inspection.

Why Choose Us

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ASE Certified Technicians

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Quality Service

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Great Reputation

M&J Auto Sales & Service
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12-Month/24,000-Mile Warranty

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Works With All Insurance and Aftermarket Warranty Companies

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CARFAX Top-Rated Dealer

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Catalytic Converter Replacement

When your catalytic converter fails, we'll replace it with quality parts that meet emissions standards and restore your vehicle's performance.
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Diesel Exhaust Systems

Our team has the know-how to handle diesel exhaust repairs and maintenance, keeping your diesel vehicle running efficiently and cleanly.
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Exhaust Inspection and Leak Repair

We'll thoroughly inspect your entire exhaust system and fix any leaks to protect your health and improve your vehicle's efficiency.
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Exhaust Manifold Repair

A cracked or warped exhaust manifold can cause serious problems, and we'll repair or replace it to eliminate noise and fumes.
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Exhaust System Replacements

When your exhaust system is beyond repair, we'll install a complete replacement system that's built to last and perform.
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Muffler Replacement Assistance

If your muffler is loud, rusty, or falling apart, we'll replace it quickly with a quality muffler that quiets things down.

Our Recent Projects

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Here's what our satisfied customers are saying...

At M&J Auto Sales & Service, we take pride in providing exceptional auto services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of M&J Auto Sales & Service and let others know what you think.