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Professional Auto Repair Services

North Billerica, MA

We Handle Insurance Claims When Needed 

Same-Day Estimates 

Appointments Confirmed Within 24-48 Hours

Hours:

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Your Trusted Auto Repair Partner Since 1996

At R & D Custom Exhaust, we’ve spent more than 30 years building trust with drivers throughout Billerica and the Merrimack Valley. If you’re looking for reliable auto repair in Merrimack Valley, MA, you’ve found it here. Our locally owned shop combines advanced diagnostics with custom exhaust expertise, delivering high-quality automotive service backed by a loyal customer base and a reputation built on honesty, skill, and consistent results.


We offer a full range of services, including custom exhaust, repairs, preventative maintenance, tires, brakes, oil changes, and more—all performed by experienced, well-trained technicians using state-of-the-art methods. What sets us apart is our commitment to exceptional customer care, clear communication, and taking the time to understand your needs. When it comes to dependable auto repair in Merrimack Valley, R & D Custom Exhaust delivers the talent, trust, and service you can count on. Contact us today.

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Why Choose Us

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Same Day Estimates

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Locally Owned

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Well-Trained Technicians

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Over 30 Years of Experience

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We Handle Insurance Claims When Needed

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Appointments Confirmed Within 24–48 Hours

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Auto Repair Shop

Our comprehensive auto repair services handle everything from routine fixes to complex diagnostics, keeping your vehicle running smoothly.

Car Maintenance Services

Regular maintenance extends your vehicle's life and prevents costly repairs down the road through scheduled inspections and service.
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Exhaust System Installation

We specialize in custom exhaust installations that enhance performance, improve efficiency, and deliver the sound you're looking for.

Exhaust System Repairs

From leaks to damaged components, we'll quickly diagnose and repair your exhaust system to restore proper function.
exhaust system
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Mechanical and Suspension

Our mechanical and suspension services ensure smooth handling, proper alignment, and safe driving conditions for every journey.

Performance Muffler Shop

Upgrade your vehicle's performance with custom mufflers designed to maximize power while delivering exceptional sound quality.
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Expert Tire Solutions

We offer tire sales and installation services to keep you safe on the road with proper tread and fit.

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

At R & D Custom Exhaust, we take pride in providing exceptional auto repair and exhaust 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 R & D Custom Exhaust and let others know what you think.