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USA Auto Service
“Andy is a great and loyal mechanic, every time I bring my car into his shop, he checks my car from top to bottom to make sure everything is running like new.”
Muffler & Exhaust Shops in Glendora, CA
24 technicians listed · 15 in Glendora · 17 open weekends · 20 rated 4.5+ · 2 show a license
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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.”
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Certified Automotive Specialists
- Diagnose
- Job
- Inspection
“👍 Services Auto A/C recharge, Auto engine diagnostic, Auto brake repair, Vehicle Inspection, Vehicle safety inspection, Wiper blade installation, Auto maintenance, Auto brake replacement, Oil change”
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Tony's Auto Repair
- Mechanic
- Prices
- Engine
“I had previously taken the car to the VW dealership, and after running a "thorough scan" the dealer said all four of my door locks were faulty and needed to be completely replaced, costing about $2000!”
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Certified Auto Route 66
- Oil
- Price
- Honest
“These are true professionals they explained everything in detail made me feel confident about everything that was being done and kept me informed from day to day.”
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Covina Auto Repair & Smog Services
- Job
- Vehicle
- Prices
“Never went”
Area overview: Glendora, CA
Of the 24 technicians we list here, 15 are in Glendora itself and 9 come from towns including Covina (2, 4 mi), Upland (2, 11 mi) and West Covina (1, 7 mi). The technicians on this page are rated from 4.2 to 5.0 across 2,438 reviews; 12 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (87%), quality (81%) and punctuality (71%). The topics that come up most in reviews of the technicians on this page are "price", "honest" and "fair". 17 are open on Saturdays. The services the technicians on this page list most often on their websites are auto warranty service (2), bg lifetime protection plan (2), brake repair & service (2), cars we service (2) and catalytic converter (2). 2 show a license on their websites; 2 list staff certifications (ASE) and 10 have a BBB rating of A or A+. 22 have ten or more years of experience, the longest 48 years. 2 give free estimates; 4 are family- or locally-owned and 5 list coupons or special offers. 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.
Data verified October 9, 2026
Listed for drivers in and around Glendora, 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.
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Grauman's Superior Auto
- Mechanic
“I'm so glad I meet Gary great guy he went over everything that my truck needs done and I work on my own truck I could not figure out why mpg was bad and gave the knowledge to figure out what's going on with the truck.”
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Route 66 Tires & Auto Repair
- Work
- Price
- Sunday
“Went in this morning and it was the greatest place ive ever been to great place very nice man great deal he gave me very happy about the work will never go any were else ever again !!!!!!!!!!!!!!!”
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Super Tek Performance
- Honest
- Work
- Prices
“He not only explained the differences between my choices he had the patience to let me hear three different mufflers before installing my pick, the Magnaflow exhaust system.”
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Vic's Auto Repair & Tire Center
- Mechanic
- Price
- Engine
“Vic himself greeted us and fit us in immediatly without any notice, did a thorough job inspecting the van and gave use an indepth run down of anything wrong with the vehicle.”
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George's Auto Repair
- Mechanic
“Have gone to George for 2 years and am ALWAYS happy with his service.”
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Jack Ashmore Auto Repair
- Prices
- Honest
- Mechanic
“I have been going there for almost 20 years for all my mechanic needs, Alfonso and Victor will treat you with respect and will not try to sell you a repair you don´t need, and will charge you a fair price.”
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H and R Auto Repair
- Prices
- Mechanic
“JAMIE and his team are truly the BEST!!”
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H-Motive
- Mechanic
“Even though I moved 40 miles away, I still look for opportunities to make my way down to their shop because I won't be sold something I don't need and will be told what needs to be replaced when it actually needs to be replaced.”
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Juiced Performance
- Mechanic
- Quality
“Services Electrical repair, Exhaust, Steering & suspension repair, General repairs & maintenance, Electrical, Auto engine diagnostic, Auto engine tuning, Engine repair, Brakes, Battery, Oil change”
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Glendora Foreign Car Services
“Pete is the man!!!”
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GBU Auto Repair ( Unit B)
- Prices
- Diagnosis
“After learning a good bit about cars, when I was forced to take my car in for a repair beyond my skill level, I noticed how often mechanics would spew utter nonsense to me about what was wrong with my car expecting that I wouldn't know what they were...”
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Pomona Gear
- Noise
- Truck
- Mechanic
“He fixed it much faster than I expected and explained the issues and showed/gave me the worn bearings and told me I was lucky the gears were ok because they are very expensive.”
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Domestic Diesel & Auto Services
“If you want a great experience Like I had Having my vehicle Fixed there With inexpensive And Easy by the customer service That I got there I recommend to you”
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小李修車廠 KB Motor
- Tech
- Tire
- Problem
“My car dropped to KB Motor for repair the left back side cover shell, they kept the car there for over a month and kept telling us the car will be fixed in the following week, but every week when we called, they kept pushing the dates to the next wee...”
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Alonso's Auto Repair
“A mechanic at Alonso's bought my Civic, and they did not charge for the diagnosis on the car or the 6 days it was parked inside (normally they charge after 3 days for storage).”
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Al & Lee's Auto Care Center
“Alan Lee's garage is very professional honest and very knowledgeable every time I go in there I have a great experience they are probably one of the most honest garages I know and Lee is a class act”
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R & N Complete Auto Repair
- Mechanic
- Prices
- Honest
“I brought my vehicle in to have my passenger window motor and headlights replaced and R and N came through with a great price and quick repair time, Rafe and his experienced team are on point and really know what they are doing.”
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Hye Tech Auto Repair
- Mechanic
- Honest
- Fair
“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.”
Muffler and Catalytic Converter Services in Glendora, CA Cost Estimates
Minimum cost
$93
Maximum cost
$1445
National Average
$145
Avg Per Hour Rates
$78
$114
$248
Fair price range is based on 401 cost profiles
Why these companies made our list
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FAQ
Can I book an exhaust job online in Glendora?
An online booking link appears on 2 of the 24 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.