Chris' Auto Service & Smog
“Super helpful, honest, transparent, and happy to walk you through any questions.”
Best Muffler & Exhaust Shops in South El Monte, CA
15 technicians listed · 4 in South El Monte · 11 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Mike's Muffler
“My catalytic converter got stolen and he was able to get it back to working condition.”
Pepe's Muffler Shop
“Great place to get any exhaust work and definitely the lowest prices.”
Silver Star Auto Repair
“I went to this place coz owner helps in urgent matter and at reasonable price!”
Pro Racing Wheels & Tires
“This place is the best in all of San Gabriel Valley”
Aguilar's Auto Services
“Good service on time and prices are affordable, i have been taking all my cars there for years and never had problems, 100% recomended”
Listed for drivers in and around South El Monte, 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: South El Monte, CA
Of the 15 technicians we list here, 4 are in South El Monte itself and 11 come from El Monte (10, 2 mi) and Los Angeles (1, 21 mi). The technicians on this page are rated from 4.3 to 5.0 across 1,379 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. 11 are open on Saturdays. 3 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 69 years. 1 gives free estimates. 1 has Spanish-speaking staff. We have a website on file for 3 of the technicians on this page; 1 publishes a contact page and 1 lists 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 South El Monte?
4 of the 15 shops sit in South El Monte and the others come from other towns within 25 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.
Durfee Auto Transmissions
“It is a business with great punctuality and their staff is very professional, thank you for solving the paint problems on my car💯💯 …”
El Monte Auto Services LLC
“Gave me good price on a hybrid battery for my 2009 prius”
SRS Automotive
“Best mechanics in the area for Honda / Acura”
Chepe's Muffler Shop
“Been the guy that I take my cars to get exhaust work done for years great prices with quality work.”
Pit Garage
“Nice crew, all the mechanics and management are good people; smiles and great service.”
Euro M Tech Auto Repair
“Given that I needed to pick up my child promptly, I explained the situation to the boss, who promptly assigned two workers to install them for me.”
Super Unique Auto Repair
“Julio is so helpful and his knowledge on so many different types of vehicles is incredible.”
K.c.t. Auto Service
“The boss is very nice and professional”
Bang DO Auto Repair
“Every time I've gone, everything is laid out clearly to me and they're more than willing to explain more if I have any questions.”
Why these companies made our list
What customers say about technicians in and near South El Monte
- “100% satisfaction guaranteed. He installed, put together, welded a custom true dual exhaust system for me, he knew I was very particular in every detail about my exhaust, down to the sound, pitch.” — customer of Chepe's Muffler Shop
- “Extremely helpful, friendly and fast. They had me in and out in under 2 hours for a major muffler and exhaust repair.” — customer of Pepe's Muffler Shop
- “Installed catalytic converters while we waited. Highly recommend them for exhaust system repairs.” — customer of Mike's Muffler
- “Catalytic converter is bad. They took the time to instruct me what to do and gave me information that will be helpful as well.” — customer of Pepe's Muffler Shop
Excerpts from public reviews of the technicians listed on this page.
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