Pb European Service
“They make sure I am safe and taken care of with the best customer service and specified expertise.”
Best Muffler & Exhaust Shops in Nashua, NH
15 technicians listed · 8 in Nashua · 2 open weekends · 13 rated 4.5+
Data verified October 18, 2026
H. Daw Service Station
“He takes care of any car issues, I ask no questions, have full faith in him.”
Otterson Street Auto
“I love this guy , He is honest and wont screw you over , I feel bad sometimes as he takes on more work then he can do as 1 person .”
PDM Auto Service
“There's never been a discrepancy and nothing that they've ever done has led me to believe that I should ever consider going to another shop as long as Mike and Paul are doing their thing.”
Lowell Street Automotive
“My Vehicles will never go to get service any other place 👍👍👍 …”
Morin Engine Services
“The pride they take in their work has kept my family and I coming back for nearly a decade!”
Listed for drivers in and around Nashua, NH, these 15 shops handle mufflers, pipes and catalytic converters. What each one says about welding, custom work and warranties comes from its own website; ratings and quotes come from public reviews.
Area overview: Nashua, NH
Of the 15 technicians we list here, 8 are in Nashua itself and 7 come from towns including Dracut, MA (2, 10 mi), North Chelmsford, MA (2, 10 mi) and Tyngsborough, MA (1, 7 mi). The technicians on this page are rated from 4.3 to 4.9 across 1,516 reviews; 11 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (88%), quality (80%) and value (76%). The topics that come up most in reviews of the technicians on this page are "honest", "fair" and "communication". 2 are open on Saturdays. 2 list staff certifications (ASE) and 9 have a BBB rating of A or A+. Domain records put 3 websites of the technicians on this page at ten or more years old; the oldest dates from 1999. 2 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for 10 of the technicians on this page; 7 publish a contact page; 2 list a public email and 3 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why are some of these shops outside Nashua?
8 of the 15 shops sit in Nashua and the others come from other towns within 15 mi. A shop with a bender and a welder is worth a short drive, since it can repair what a parts-only counter would replace.
Advanced Auto Care
“They got me in and out and at the best price I could find around town”
Scientist Auto Repair LLC
“A good place, I wouldn't say an excellent place to repair your vehicle, with the most technology and machinery, I recommend this place to everyone, Cristian is the best at this, ahhh and I forgot, it is the best place with the lowest prices k I have been able to find”
Tyngsboro Muffler & Brake
“Very nice owner and they did a thorough job and reasonable price for all they did”
Doctor Auto
“I brought my car for service and the did an amazing job!”
Kal's Automotive Center
“It is a great place kal is a honest and stait forward guy.”
Cowgill Auto Service
“Amazing service and they all take good care of you and your car!”
Mechanics Direct Inc
“If you're looking for someone you can trust, Mechanics Direct is the one!”
Rays Auto Repair Dracut
“I'm lucky to live nearby hope I can always go here real nice guy and good price for good work.”
Lou's Custom Exhaust Milford NH
“Told them what I liked and what my intentions were and they succeeded with one of their custom mufflers that was similar to the one I was looking for.”
Why these companies made our list
What customers say about technicians in and near Nashua
- “Doug, the master mechanic, takes pride in his work and Alexis is a very pleasant coordinator/receptionist.” — customer of Pb European Service
- “I would recommend PDM 100%. I have taken my vehicles there for years and my family has too.” — customer of PDM Auto Service
- “Explained everything so good (to a person that has zero knowledge of anything pass changing oil) would 1000% recommended them!” — customer of Lou's Custom Exhaust Milford NH
- “Honesty, integrity, and knowledgeable skilled service are all reasons why I am a loyal customer.” — customer of Doctor Auto
- “Tyngsboro Muffler & Brake installed 4 tires on my car and gave me the best price by far.” — customer of Tyngsboro Muffler & Brake
Excerpts from public reviews of the technicians listed on this page.
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