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24 technicians listed · 7 in St. Charles · 3 open weekends · 22 rated 4.5+
Data verified October 19, 2026
Listed for drivers in and around St. Charles, MO, these 24 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.
Of the 24 technicians we list here, 7 are in St. Charles itself and 17 come from towns including St. Louis (6, 18 mi), St. Peters (3, 5 mi) and Ellisville (3, 15 mi). The technicians on this page are rated from 4.0 to 4.9 across 4,204 reviews; 19 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (88%), quality (88%) and value (76%). The topics that come up most in reviews of the technicians on this page are "honest", "fair" and "knowledge". 3 are open on Saturdays. The services the technicians on this page list most often on their websites are belts & hoses (2), exhaust systems (2), fleet services (2), oil change (2) and wheel alignment (2). 6 list staff certifications (ASE) and 15 have a BBB rating of A or A+. 21 have ten or more years of experience, the longest 63 years. 2 offer financing; 6 are family- or locally-owned and 8 list coupons or special offers. 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.
An online booking link appears on 2 of the 24 listings here. Most exhaust work is short enough to be a same-week appointment, though a converter or a full section may wait on a part arriving.
