Glenn's Auto Service
“I have been going to Glenn's for years the workmanship and professionalism of their personnel is great.”
Best Muffler & Exhaust Shops in Downey, CA
15 technicians listed · 10 in Downey · 10 open weekends · 11 rated 4.5+
Data verified October 16, 2026
Westwerk German Auto
“Wally took the time to show me the old transmission pan and explain what he was seeing, which helped me understand the condition of my car and feel confident about the work being performed”
J & J Auto Repair
“No one is better than Frank; he really knows what he's doing when it comes to AC.”
Downey Import and Domestic
“Its so satisfing to know you'll get the job done here all the time..”
Mariscal Muffler
“My exhaust pipe rusted and fell off my car and they were quick to reinstall it.”
F & J Tune Lube
“Been going here for years amazing quality service”
Listed for drivers in and around Downey, CA, 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: Downey, CA
Of the 15 technicians we list here, 10 are in Downey itself and 5 come from towns including Norwalk (2, 4 mi), La Mirada (1, 6 mi) and Anaheim (1, 17 mi). The technicians on this page are rated from 4.3 to 4.9 across 2,323 reviews; 8 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "diagnosis" and "honest". 10 are open on Saturdays and 1 on Sundays. 3 list staff certifications (ASE) and 5 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 2001. 1 offers financing; 1 gives free estimates; 2 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for 8 of the technicians on this page; 7 publish a contact page; 4 list a public email and 3 take bookings online. 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 Downey?
10 of the 15 shops sit in Downey and the others come from other towns within 20 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.
P&J Auto Electric & Auto Repair
“Went in for a electrical issue they fixed it all at the best prices really good people 👌 I recommend it if u guys ever need something done to check him out”
Jo's Auto Center
“I have a 2008 Kia Borrego which has been serviced by him and still running like a new car.”
Kurdi's Fast Lube & Auto Care
“Hazam and Raul are very nice and honest people.”
Tito El Car Doctor
“Very nice service y very Good price!!”
Imperial Tire Plus Wholesale INC
“This is my go tube tire store.”
Karta Motorwerks
“Very diligent car repairs, now car runs smooth”
Pro Tires and Wheels
“Came in early, needed my rim repaired, they fixed it & came out perfect..”
Hector's Auto Repair
“Thoroughly impressed with the service from Hectors, they took the time to breakdown what my car needed and performed the work on it accordingly.”
Premier Wheels & Tires
“These dudes are working hard there and take care of their customers always.”
Why these companies made our list
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