Best Muffler & Exhaust Shops in Rockford, IL
15 technicians listed · 7 in Rockford · 3 open weekends · 13 rated 4.5+
Data verified October 20, 2026
Plaza Auto Service
Crystal Dream Automotive
Plaza Auto Clinic
Llanitos Auto Repair
Anderson Auto Services
Listed for drivers in and around Rockford, IL, 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: Rockford, IL
Of the 15 technicians we list here, 7 are in Rockford itself and 8 come from towns including Loves Park (4, 5 mi), Machesney Park (2, 8 mi) and Belvidere (1, 8 mi). The technicians on this page are rated from 4.2 to 5.0 across 1,613 reviews; 3 have 50 or more reviews and 13 are rated 4.5 or higher. 3 are open on Saturdays. 1 lists staff certifications (ASE) and 2 have a BBB rating of A or A+. Domain records put 4 websites of the technicians on this page at ten or more years old; the oldest dates from 2010. 2 offer financing; 1 gives free estimates and 1 lists coupons or special offers. We have a website on file for 8 of the technicians on this page and 3 publish 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 Rockford?
7 of the 15 shops sit in Rockford and the others come from other towns within 10 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.