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    A-1 Mufflers & Custom Works

    3.6 (19 reviews)
    Open • 9:00 am - 7:00 pm

    Services - A-1 Mufflers & Custom Works

    Auto brake repair

    Auto engine repair

    A-1 Mufflers & Custom Works Photos

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    Stage 2+ FBO F10 N55 w/ Custom MHD Flame Tune

    @@@ AVOID THIS SHOP AT ALL COSTS. THEY DO CHEAP WORK ON JUNKYARD CARS. IF YOU HAVE A NICE WHIP, DON'T BRING IT HERE @@@ I've been here 3 times. Once for my mufflers, and again for the resonator straight pipe. This last time, I came in for a cat-less downpipe installation on my 2016 BMW. I was quoted $200, not bad right? As they were highly inexperienced, they were unable to remove the stock catalytic converter.. so instead of asking me if it was okay - they took an electric saw to it. They cut my stock catalytic converter in half just to remove it. After witnessing this, I told them to weld it back together and put it back in. I would find another muffler shop, and I wasn't too worried about the $200. Again, didn't ask me if it was okay - because they knew it wouldn't be. I was planning to smog the car soon after moving out of state, I'd mentioned this. This set me back about $2,500. A new catalytic converter later, I find out that they had also fouled out my o2 sensors when reinstalling the stock downpipe. Fortunately, I found those for around $200. Unfortunately, the o2 sensor installation replacement cost me another $1,000. I only now got the car passing smog at my new location, after a month of troubleshooting issues derived directly from this shop. This trip was supposed to cost $200, and it ended up costing me nearly $4,500 - and I got absolutely nothing from it. After visiting another muffler shop, they asked me "Who did this work"? After replying, they straight up told me how bad and cheap everything was done. More narrow and cheaper piping, terrible hangar work - 3 out of the 4 had already snapped within a month. The lining work was super crooked, there was a lot of issues that I didn't even know could be issues with muffler work. I had the straight piping they previously did for my mufflers/resonator replaced with wider, better piping and the car sounds SO MUCH better now! No more tin, just pure turbo and engine! Definitely worth the extra $300 I paid. A-1 mufflers pipes went in the trash. Lesson learned. Don't make my same mistake!

    Borderline Automotive C.

    After restoration one of my customer car, I called my local custom muffler A-1, I need a dual exhaust installed. A1 offers exhaust pipes and catalytic converters. If you are looking for a custom exhaust service, look no further. A-1 can help! A-1 also do aluminum and stainless steel welding. If you have a bent wheel rim,A-1 fix that too. A-1 have quality service with a friendly atmosphere.

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    Ask the Community - A-1 Mufflers & Custom Works

    Review Highlights - A-1 Mufflers & Custom Works

    “The main reason for the 5 stars is the chat I had with Alberto and the tech I didn't get the name of (Mazda-San).”

    Mentioned in 3 reviews

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    Glenview Automotive - Glenview automotive

    Glenview Automotive

    (80 reviews)

    Lower Hills

    I also have to chime in about the price gouging I experienced during my last routine maintenance…read more Lesson learned to ALWAYS get a quote. I neglected to do that bc I figured it couldn't cost that much to basically get a tire rotation and have them spend 15-20 min checking fluid levels and stuff. Not complicated AT ALL. Attached is what's needed. I was charged like $200 and was floored. Esp now that I'm due for my next routine maintenance and other places are quoting me $35 for a rotation. Maybe these guys are fine for actual repairs and serious mechanic work, but I don't appreciate being taken advantage of, which is quite common in this industry against women, which is sad.

    I've been going to simon for years. He quote me on breaks…read moreand rotors, parts in labor $1400.00 I found someone to do it for half the price parts in labor! People be careful of simon. I'm shocked. B.s. about OEM Parts! How long it took was 1.5 hrs! $1400.00 bricks and rotors is ridiculous, parts in labor. Parts put on my suv mercedes was Brembo. Price difference. Simon part in labor $1400.00, 1.5 worth at work! Other mechanic parts in labor $700.00, 1.5 worth of work! Always check how long it would take simon to do the work. Check with another shop before taking your car in to simon.To do the work. My mistake! You can make up your own decision. Simon cannot be trusted. I've been going there for I think, 6 or 7 yrs. Simon, why do I have to show the receipt to you? Who are you? I don't need you to be my mechanic anymore. Lol I see how the game is played. You're lucky I don't like fixing cars or getting involved in cars. What I know now I can open a shop next. Door to you and put you out of business. I don't want to waste my time on cars! You're the one that rip off your customers. I'm just telling your customers my experience for being a good customer 6-7 years, with you. I'm not questioning you on the work e for all this. So you're asking me for receipts, why would I give you receipts and give up my contacts. This work has been been done a week ago. I took a picture after having coffee and breakfast. That's why you see two rotors there. The mechanic was so quick. I wasn't going to post, but you keep opening your mouth. This is my third and final reply to u! I've been a good customer of yours. 6-7 years. Not one time I ever haggled about price. I'm a customer that drops off the car and wait for you to tell me how much. It's my fault for getting to comfortable with you. Throughout this experience i've learned where to source out materials on the cheap! Now, I just need to find a couple more shops to keep everyone on there honest. So thank you simon for that! If you really want to find out who it is, I'll give you three hints. 1. He's chinese. 2. He's in oakland. 3. He is honest. You can figure out if it's you or not. This post is going to hurt you more me. You just don't want to accept responsibility Simon. It's hard to justify $1400.00 for 1.5 hours of work part in labor. Thank you, Simon for putting me in this position. I know where the source, the parts now. Have a good rest day for your day. By the way, for your customers, understanding my relationship with Simon. We were friends enough where I gave simon a french bulldog for free for being a a good guy. Never asking for discount, just paying .What simon asked for. Like I said be careful.

    Community Auto Center - EST 2017

    Community Auto Center

    (68 reviews)

    East Oakland

    I called in as I had a cracked AC line. Was able to get it replaced from a mechanic friend but…read morewasn't agent to get the system evacuated and recharged. Called in for availability and cost, got me in right away and was transparent on cost during the call. Got me in and out sooner than they estimated. Would definitely go back as Kham was a pleasure to work with.

    Kam and his team from Community Auto Center do outstanding work. This is the second time I've gone…read moreto their shop. The first time was to help get a hitch installed. It was tough finding a place that will do it, but with great luck I stumbled upon Community Auto Garage. Gave them a call and they immediately responded and answered all the questions I had. They did an awesome job with the hitch installation. My boyfriend and I were able to enjoy riding our bikes out of town with their help! Fast forward to today, I had my car serviced for a faulty starter and bad alternator. I was quoted an insane amount at the dealership, but was quoted a much reasonable price here. It was smooth scheduling the appointment with Kam. Throughout the process, he was informative & communicative. He provided photos and videos and went above and beyond with updates! They were able to get my car done faster than their estimated time as well. It was such a relief working with them! They do fast, reliable and honest work. I highly recommend coming to their shop for any car troubles!

    A-1 Mufflers & Custom Works - autorepair - Updated September 2026

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