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6 of these 24 technicians are in Waltham; the rest are in Boston, Manchester and Marlborough.
Of the 24 technicians listed here, 6 are in Waltham itself; the others are in towns including Boston (8), Manchester (2), Marlborough (2).
Ratings range from 4.4 to 5.0 across 1,858 reviews; 12 technicians have 50 or more reviews; 22 are rated 4.5 or higher.
2 describe themselves as family- or locally-owned.
Services most often listed on their websites: alignment & suspension (2), air conditioning repair (2), routine auto maintenance (2), brakes & tires (2) and heavy equipment repair (2).
2 technicians report ten or more years in business; the longest-established mentions 10 years.
In structured review feedback, customers of these technicians most often flagged professionalism (97%), quality (97%) and value (87%).
12 of the 24 technicians have a website on file; 6 publish a contact page; 4 list a public email.
4 of these technicians have had their website domain for ten or more years; the oldest was registered in 2011.
Figures are counted over the technicians on this page from public listings and company websites collected in 2026; distances are straight-line; hours and prices change, so confirm before you visit.
The 24 shops on this page handle mufflers, pipes and catalytic converters in and around Waltham, MA. What each one says about welding, custom work and warranties comes from its own website; ratings and quotes come from public reviews.
Usually a heat shield that has rusted loose, or a broken rubber hanger letting the pipe knock against the floor. Both are quick and cheap on a lift. Left alone, a swinging pipe tears at the joints and turns a small job into a section replacement.
Not completely, but you can make your car the harder target. Shields and cages bolt over the converter, etching the plate number on it helps police trace it, and parking where the underside is hard to reach or well lit puts thieves off. High-riding vehicles get hit most because nobody needs a jack.
It depends on the fitter. A universal box welded in by someone who knows the car can sound and last as well as the factory part for less money. Fitted badly it hangs wrong, drones, or cracks at the weld. Ask what warranty covers the part and the weld.
Excerpts from public reviews of the technicians listed on this page.
