Union Auto Service
“They are knowledgeable and reliable, really good experience, glad to meet them”
Best Muffler & Exhaust Shops in Union, NJ
15 technicians listed · 11 in Union · 13 open weekends · 10 rated 4.5+
Data verified October 16, 2026
Clarke's Auto Repair
“They will go over everything and show you what needs to be done which I really appreciated!”
Good Guys Auto Service & Repair LLC
“They provide great service for great value, are trustworthy, skilled, experienced and have shown great integrity in their workmanship.”
Dn&o Auto Repair LLC
“I take my hats off to you big up yourself DN&O AUTO Repair this guy is quick and reliable and communication wise is also great too your job what you did for me is well done blessed my boss.”
Santos Service Center
“When I arrived, they attended to me immediately, they were 100% very professional and they explained in detail the damage that my car had, and they also offered me the solution to the problem.”
Alfredo's Tire & Auto Repair
“Very honest, they fixed my car heating in less than 30 minutes and charged me a fair price.”
Listed for drivers in and around Union, NJ, 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: Union, NJ
Of the 15 technicians we list here, 11 are in Union itself and 4 come from Union City (3, 13 mi) and Belleville (1, 9 mi). The technicians on this page are rated from 4.3 to 4.9 across 1,659 reviews; 9 have 50 or more reviews and 10 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 13 are open on Saturdays and 1 on Sundays. 3 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 38 years. We have a website on file for 6 of the technicians on this page and 1 publishes a contact page. 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 Union?
11 of the 15 shops sit in Union 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.
Randy's Tire Shop LLC
“Thank you so much Luis for always accommodating me & my car!”
J & M Auto Tech
“I've been here three, four times and each time was a positive experience all around.”
Spruce Garage
“Most of my repairs are done same day and at a really good price.”
City Tires
“I was looking for new tires and, not only did they offer me an amazing deal, but their customer service was incredible.”
Frank Car Depot Auto Repair
“This is a great place if you are looking for excellent service and good pricing.”
Barry's Auto Center
“Incredible service by honest and reliable mechanics.”
Chavez Auto Center LLC
“Great mechanic, he does not over charge and he is very trustable.”
T & J Kennedy Auto LLC
“Is a great general mechanic shop and tire services.”
Joe's Auto Repair
“I highly recommend his auto services.”
Why these companies made our list
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