Welcome to R & D Custom Exhaust,
your car service in Merrimack Valley, MA!
If you’re looking for auto repair in Merrimack Valley, MA, you’ve found us. Here at R & D Custom Exhaust we work hard to earn your trust and loyalty. We know how important it is to find a Merrimack Valley car service you can rely on, so your satisfaction is our top priority each and every day.
Here at R & D Custom Exhaust we understand what makes customer service truly outstanding. You will feel the difference exceptional customer care makes when you work with us. We know auto repair in Merrimack Valley offers you lots of choices, and we aim to provide the kind of caring customer service that will bring you back.
Our professional automotive service offers you years of combined expertise from our well-trained technicians. We treat our auto repair professionals well because we value their skill and can-do attitude. We know our team sets us apart, saving you time and money, not to mention worry. When it comes to auto repair in Merrimack Valley, we are totally confident that R & D Custom Exhaust is the best option in town!
Address
R & D Custom Exhaust
313 Boston Road
North Billerica, MA 01862
(978) 670-5222
Shop Hours
Mon-Fri : 8am-5pm
Sat-Sun : Closed
Gas Station Hours
Mon-Fri: 6am-8pm
Saturday: 7am-1pm
Sunday: Closed
Directions
Payment Types





Affiliates & Certifications









About R & D Custom Exhaust Merrimack Valley, MA
R&D Custom Exhaust offers a complete line of automotive services from custom exhaust and exhaust repairs to preventative maintenance, tires, brakes, oil changes, snow plow repair, and much more. We are located in Billerica, providing Professional Expert service with a Loyal Customer base for 25 years! We specialize in all areas of automotive repair and diagnostics using the most recently updated, state-of-the-art methods. Our Success & Reputation is based upon providing our Clients with Exceptional Quality Service & Repairs.
Are you ready to experience the best Merrimack Valley car service available? Please give us a call or make an appointment here.

The Absolute Best Car Service in Merrimack Valley, MA
What sets R & D Custom Exhaust apart from all of the others in Merrimack Valley, MA?
Trust: When it comes to auto repair in Merrimack Valley, MA, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.
Talent: At R & D Custom Exhaust, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Merrimack Valley auto repair table.
Time: We take the time we need to provide you with top quality car service in Merrimack Valley, MA, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.

Recently Serviced Vehicles
2010 Dodge Pickup
Mileage303,388Service Date2/5/2026Services Performed- LABOR TO REMOVE FENDER WELL & WELD CRACK IN DOWN PIPE @TURBO HOUSING
ALAQUES C. gave our service a 5 star review on 2/6/20262018 Hyundai Tucson
Mileage42,801Service Date2/6/2026Services Performed- PERFORMED COMPLETE OIL CHANGE SERVICE. CHANGED FULL SYNTHETIC OIL AND FILTER, GREASED AND LUBED ALL PIVOTS, TOPPED OFF ALL FLUIDS AS NECESSARY, CHECKED TIRE PRESSURE.
KRISTINE O. gave our service a 5 star review on 2/6/20262012 Honda CR-V
Mileage161,103Service Date2/5/2026Services Performed- LABOR TO INSTALL PATCH AFTER CATALYTIC CONVERTER
CLARICE O. gave our service a 5 star review on 2/5/20262025 RAM 1500
Mileage11,732Service Date1/21/2026Services Performed- INSTALLED CUSTOMER SUPPLIED PUSH PLATES. PROVIDE AND INSTALL FULL TRUCK SIDE WIRING HARNESS WITH OUT CONTROLLER. NOTE: BUMPER WAS MODIFIED PER FISHER INSTRUCTIONS TO ALLOW CLEARANCE FOR PUSH PLATES
RYAN R. gave our service a 5 star review on 2/4/20262020 Toyota Tundra
Mileage75,061Service Date1/20/2026Services Performed- LABOR TO INSTALL: STAINLESS STEEL FLOW MASTER, 2 – TAIL PIPES AND 3 – HANGERS. SAVE TIPS
JAMES H. gave our service a 5 star review on 2/4/20262014 Chevrolet Silverado 1500
Mileage122,246Service Date2/4/2026Services Performed- LABOR TO INSTALL SECTION OF 3" INTERMEDIATE PIPE, MAGNA FLOW MUFFLER, 3" TAIL PIPE & 3 HANGERS
MICHAEL O. gave our service a 5 star review on 2/4/20262017 Mercedes-Benz C300
Mileage79,379Service Date1/31/2026Services Performed- LABOR TO BEAD SEAL TIRE
JOAN C. gave our service a 5 star review on 1/31/20262016 Mitsubishi Lancer
Mileage114,351Service Date1/29/2026Services Performed- P0420 – CATALYST DETERIORATION P2253 – 02S/LAF (FRONT) NEGA CURRENT HI REMOVED AND REPLACED ALL 4 SPARK PLUGS. UPSTREAM O2 SENSOR WAS DEAD. REMOVED AND REPLACED O2 SENSOR, WHICH INVOLVED PULLING PASSENGER FLOOR AND INTERIOR APART TO ACCESS HARNESS. CLEARED CHECK ENGINE LIGHT AND RESET ALL ADAPTIVES FRONT AND REAR BRAKES ARE GOOD AT THIS TIME
JON F. gave our service a 5 star review on 1/29/20262012 Ford Econoline
Mileage63,158Service Date1/27/2026Services Performed- CUSTOMER BENT FUEL RAIL AND IS NO LONGER SEALING ON 2 PASSENGER SIDE INJECTORS CLEANED OFF TOP OF ENGINE OF RODENT DEBRIS. REMOVED FUEL LINE & CAREFULLY REMOVED INJECTOR RAILS RESHAPED FUEL RAIL AS BEST I COULD UNTIL ALL OUTPUT PORTS AND RAIL WERE STRAIGHT. REMOVED AND REPLACED 6 REMAINING SPARK PLUGS & COILS. CLEANED AND LUBED ALL INJECTOR O RINGS & RE INSTALLED RAIL. PRIMED FUEL SYSTEM & FIRED. NO FUEL LEAKS PRESENT & NO MISFIRES. FINISHED ASSEMBLY NOTE: NO WARRANTY ON CUSTOMER SUPPLIED PARTS
BILL S. gave our service a 5 star review on 1/29/20262008 Ford Pickup
Mileage33,019Service Date1/15/2026Services Performed- FOUND FORWARD PRESSURE SWITCH ON MASTER CYLINDER BROKEN AND LEAKING. REMOVED AND REPLACED PRESSURE SWITCH. BLED ALL 4 CALIPERS AND TOPPED OFF MASER CYLINDER
PAUL C. gave our service a 5 star review on 1/15/20262008 Chevrolet Malibu
Mileage103,617Service Date1/12/2026Services Performed- LABOR TO INSTALL FLEX PIPE & PATCH BEFORE Y PIPE
- TAX
DAVID D. gave our service a 5 star review on 1/12/2026







