Best Muffler & Exhaust Shops in L'Assomption, QC
15 technicians listed · 4 in L'Assomption · 3 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Centre De l'Auto l'Assomption
Martel Simon
Garage Normand Hamel
Pneus Express
M Mécanique 360 / Anciennement Monsieur Muffler
Listed for drivers in and around L'Assomption, QC, 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: L'Assomption, QC
4 of the 15 technicians we list are based in L'Assomption; the other 11 serve L'Assomption from towns including Repentigny (12 km), Joliette (21 km) and Varennes (17 km). The technicians on this page are rated from 4.3 to 5.0 across 1,530 reviews; 12 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 (95%), value (68%) and quality (64%). 3 are open on Saturdays. Domain records put 8 websites of the technicians on this page at ten or more years old; the oldest dates from 1999. 1 offers financing and 5 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 10 publish a contact page and 6 list a public email. 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 L'Assomption?
4 of the 15 shops sit in L'Assomption and the others come from other towns within 25 km. A shop with a bender and a welder is worth a short drive, since it can repair what a parts-only counter would replace.