Elite Smog and Auto
“I've been in there a number of times for different issues and they have always let me know promptly what it's going to take to fix it as well as other things they've noticed on my vehicles.”
Best Muffler & Exhaust Shops in El Cajon, CA
15 technicians listed · 14 in El Cajon · 4 open weekends · all 15 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Rancho Auto Service
“I recently visited Rancho Auto Service for an oil change, brake fluid replacement, and spark plug change, and I couldn't be happier with the service I received.”
Dose Independent BMW Service
“They were able to do the work the day I brought it in and I picked it up the next morning.”
Grease Monkey Garage
“Thanks to them I got my truck back for my vac trip”
Sunshine Auto Repair
“Sam was super helpful and informative with helping me get car part replacements and was very wholesome.”
Coronels Auto
“I had to get a vehicle inspection for the DMV and they were able to get me right in and back to the DMV in just over an hour.”
Listed for drivers in and around El Cajon, 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: El Cajon, CA
Of the 15 technicians we list here, 14 are in El Cajon itself and 1 comes from Santee (4 mi). The technicians on this page are rated from 4.7 to 5.0 across 1,734 reviews; 11 have 50 or more reviews. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 4 are open on Saturdays. 1 shows a license on its website; 3 list staff certifications (ASE) and 6 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 38 years. 3 offer financing; 1 gives free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 10 of the technicians on this page; 6 publish a contact page; 2 list a public email and 6 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.
Can I book an exhaust job online with shops listed for El Cajon?
An online booking link appears on 6 of the 15 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.
A G Auto & Truck
“He is the best auto mechanic and never turns you away no matter how busy he is that day.”
Riley Automotive
“I'm from out of town and Riley's Automotive really came to the rescue with our rental car that started causing us problems.”
Wally's World
“He fixed my car muffler just half an hour and amazing job with the price unbeatable.”
Bill's Mobile Auto Repair
“They can fix most anything and if they can't he can tell you who can.”
A & R Mufflers and Auto Repair
“Andres is the man and his prices are very affordable and competitive while his work is top notch...”
Omega Fuel Injection
“Great diesel service and great prices”
Old Iron Exhaust and Offroad
“Really took the time to ensure that everything was calibrated and streamlined.”
R & M Classic Automotive
Sharpe Automotive
“The repair was done with great service and on time, very happy.”
Why these companies made our list
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