R & N Complete Auto Repair
“However, not only did they find issues and repair them, but the cost of repairs was extremely fair and under what was projected from the dealership estimates.”
Best Muffler & Exhaust Shops in Fountain Valley, CA
10 technicians listed · 8 in Fountain Valley · 9 open weekends · all 10 rated 4.5+
Data verified October 16, 2026
Jacks German Auto Service
“He is very professional and got the job done quickly, even dealing with our difficult warranty company.”
San Juan Automotive
“Took my car in for the check engine light, they checked it out while I waited.”
OC Hybrid Tech
“Got the new Cat Shield and spark plugs done less than a hour.”
Valente Mufflers
“Valente always had the best prices and always does the best job.”
Pro Auto Repair
“Like always fast,professional and cheaper than the mechanics outside auto parts.”
Listed for drivers in and around Fountain Valley, CA, these 10 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: Fountain Valley, CA
Of the 10 technicians we list here, 8 are in Fountain Valley itself and 2 come from Whittier (1, 18 mi) and La Puente (1, 21 mi). The technicians on this page are rated from 4.5 to 5.0 across 875 reviews; 4 have 50 or more reviews. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 9 are open on Saturdays. 1 lists staff certifications (ASE) and 4 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 46 years. 1 gives free estimates and 1 is family- or locally-owned. We have a website on file for 6 of the technicians on this page; 2 publish a contact page and 2 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 Fountain Valley?
8 of the 10 shops sit in Fountain Valley 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.
LD Smog & Repair
“The get you in and out very quickly and let you know of there are any issues and then what your options are.”
MG Auto Repair
“They are so nice people and they do AWESOME job for me.”
Orange County Auto Repair Shop
“This place has always done a 10/10 job from personal cars to our company van and on the off chance they can't help they always point you to someone who can!”
C & D Automotive
“Great mechanic ask for Dan the man”
Why these companies made our list
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