View Profile
Bash Autoworx Porsche
- Know
- Oil
- Mechanic
“Other shop owners have fallen out of love of working on cars and have a cynical attitude of it all, with Hratch you can tell the labor of love is still here.”
Best Muffler & Exhaust Shops near Diamond Bar, CA
We have 3 technicians in Diamond Bar on file, and all of them are on this list, along with 21 from towns including Anaheim (3, 11 mi), Corona (3, 17 mi) and Pomona (2, 5 mi).
13 open weekends · 22 rated 4.5+ · 2 show a license
Data verified October 16, 2026
View Profile
Auto Squad Repair
- Wheel
- Profession
- Brand
“Even with exotic European car brands which other repair shop refuse to fix, he is very patient and tries to do research first before making any judgements!”
View Profile
Diamond Bar Auto Service & Body
“The mechanic had a nose around under the hood and under the chassis, showed me the problem, reassured me that i could manage it until i got home to my regular shop, and declined any payment for his time.”
View Profile
Pomona Gear
- Smog
- Axle
- 4x4
“My experience with sam was wonderful aswell as the customer service dropped my work truck off I was worried that it was going to be awhile cuz of thanksgiving that's how I make my money with out it no money..”
View Profile
Harvey's Autotech
“They were able to get my car in for a brake and lamp inspection within 1 business day of me calling in, and had my car out of the shop and certified within 1 hour.”
View Profile
Team Car Care
“I recently had an emergency situation with my car and they came to my rescue immediately and because I could not leave work they actually came and picked up my car then brought it back to me in about an hour.”
Listed for drivers in and around Diamond Bar, CA, 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.
Area overview: Diamond Bar, CA
The 24 technicians on this page are rated from 4.4 to 5.0 across 6,271 reviews; 23 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 (98%), quality (80%) and punctuality (68%). The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 13 are open on Saturdays. 2 show a license on their websites; 4 list staff certifications (ASE) and 16 have a BBB rating of A or A+. 22 have ten or more years of experience, the longest 74 years. 4 offer financing; 2 give free estimates; 10 are family- or locally-owned and 10 list coupons or special offers. We have a website on file for 22 of the technicians on this page; 15 publish a contact page; 10 list a public email and 4 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 Diamond Bar?
3 of the 24 shops sit in Diamond Bar 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.
View Profile
Imperial Tire Pros
“Have great location and great customer service as always i had my car repaired there once before tires and alignment and brakes I'll be back again soon.”
View Profile
Import Auto Clinic
- Tire
- Inspection
- Report
“One of the best auto shops around, every time I bring my car here they give me excellent service and are very good at communicating everything they do each step of the way.”
View Profile
Karta Motorwerks
- 2016
- Team
- The Future
“I definitely recommend this place to do your car repairs or service there I experienced their professional service and also give 5 stars customer service.”
View Profile
B & D Auto Repair
“9 star reviewed & respected place in Glendora which attempted to charge me $2,400 for timing belt repair on a 1997 Subaru Legacy Outback which in turn was not even the problem.”
View Profile
Domestic Diesel & Auto Services
“Nate was outstanding to work with, answered all my questions, suggested items of concern and repairs needed in priority, instead of bombarding me with everything all at once.”
View Profile
小李修車廠 KB Motor
- Ethnic Chinese
- Oil
- Home
“Xiao Li's Car Repair Shop is a Chinese car repair shop that honest people do business with conscience, do not deceive or deceive people, are cheap, reasonable and completely trustworthy!”
View Profile
Alonso's Auto Repair
“Navy helped me out and gave me a great price I'm so happy with the service I actually called pretty late in the day and they were still able to help me out so I appreciate that”
View Profile
Al & Lee's Auto Care Center
“I was lucky to be recommended they are very honest and really gets down to the issue, tells u what it is and if there's another alternative to the matter they will give you other options which I really appreciate!!”
View Profile
R & N Complete Auto Repair
- Communication
- Oil
- Fair
“Transmission serviced, rotated tires, cabin air filter replacement, cooling system flush, differententail fluid changed, power steering fluid flushed, brake system flushed.”
View Profile
Community Tire & Auto Service
“They have been nothing but great to me every time I have gone and I will be using them for all work that my car needs outside of having to use the dealership.”
View Profile
Yorba Linda Auto Service
- Dealership
- Engine
- Estimate
“Frombthe minute walking into the front door, greetings with a smile, breakdown before and after approved work to be done, pick up and driven home, is absolutely pure satisfaction!!!!”
View Profile
Hye Tech Auto Repair
- Truck
- Job
- Oil
“Firstly, John's Hytech Auto has a way, of not only making your vehicle content with great service and parts, but also, has a way of having the proprietor of their vehicle happy also.”
View Profile
Quality Car Care
- Work
- Diagnosis
- Efficient
“First of all I like to start out by stating that it is very neat clean and the owner JACK is very professional and very helpful and understanding to my needs great job.”
View Profile
Ambassador Automotive
- Integrity
- Team
- Mechanic
“These guys are great I was out of town seeing family about 4 hours from home and they did everything they could to get my truck back as soon as possible!”
View Profile
B & D Automotive
“Great people,very personable and get your car done right the first time.”
View Profile
Oily's Automotive
“After being frustrated at so many places giving me high estimates with no good explanations, I really felt that Oily's cares about the person far more than the profit.”
View Profile
Master Auto Repair
- Oil
- Team
- Mechanic
“I was new to area and just googled where to get a smog, I was actually going to a place next door to them but that place was so crowded I went to Master Auto instead, and so glad I did!”
View Profile
Wayne's Automotive
- Job
- Work
- Truck
“Excellent work as usual clean the jacks or just the carburetor did something with the computer cars running even better than when I brought it thank God they're still there thank you Jim”
Muffler and Catalytic Converter Services in Diamond Bar, CA Cost Estimates
Minimum cost
$95
Maximum cost
$1473
National Average
$148
Avg Per Hour Rates
$79
$116
$253
Typical price range is based on 440 cost profiles
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
