1. RNZ Conceptz

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San Diego, CA

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RNZ Conceptz

4.5 (152 reviews)
Open • 9:30 am - 6:30 pm

Services - RNZ Conceptz

Auto engine repair

Auto steering and suspension repair

Auto transmission repair

RNZ Conceptz Photos

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Recommended Reviews - RNZ Conceptz

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Reviews With Photos

Art F.

I went in to do a couple of upgrades to the Supra. Upgraded to multi-slotted front rotors, brake pads, and a steering wheel upgrade. Rotors and brake pads were straight forward. The upgraded steering wheel, Rexpeed flat bottom steering wheel. This was a little bit more complex, I asked if he could move all the internals from the stock steering wheel to the Rexpeed steering wheel, Dennis said no problem. Dropped off the car at RNZ when they opened, Dennis was at the front desk, bright and early. I let him know that he can have the car all day. About 2:30 - 3pm pm, your car is ready. I love these guys! Thank you! You guys did an amazing job! On to Toyotafest 2024 in Long Beach.

Brand new tires alignment was not done right.
Edward G.

I went to get a alignment. I had bought new tires. Now they are all bald. I paid $160 for the service. Not worth it! I got a pigeon toe alignment on both my front and back tires. These tires cost me $600 and not they are bald due to inexperienced technicians.

Front Suspension + Align
Michael P.

For all the stuff I'm too lazy, or don't have the tools to do, RNZ is the one of the very few places I trust to work on my cars, from my 72 510, to my latest project 2005 4runner - the crew has always been professional and reliable. They are enthusiast just as much as mechanics and never hesitate to recommend them for any service. Thanks to the team for taking care of my cars! Most recent service: 4runner Front Suspension install (Shocks, control arms, control arm bushings, and alignment) Past services: - 2001 Tacoma AC repair, brakes, ball joints, transmission service - 1972 510 Alignment

Manny F.

I have gone to RNZ Conceptz twice now. Both times the customer service has been great. Dennis has done some great and quality work on my car. I have a 2020 Camry and bought Coilovers and was looking for a reasonable place to get it done. Talking to Dennis made it a easy decision to bring my car here. I have referred a few friends to RNZ and they have had similar experiences. I would definitely recommend this place to anyone who is looking for a quality mechanic.

Jared L.

Brought my Lexus in for regular maintenance and what can I say.. the service was 10/10. Dennis took care of me and Brandon did a good job highlighting what work was done. Thank you for the excellent service you provided and I will be recommending RNZ to all my friends and family!

Another pic of what Dennis did
J V.

I've taken all my cars to Rnz concepts for the past 5 years. I know nothing about cars just minor basics. Dennis and Al have always taken care of me regarding any repairs needed to be done. We've all been at that place where money is tight and the guys have always taken that into account whenever I had car issues. They would always let me know what should be fixed first when money was an issue. Mazda protege, Nissan 350z, friends and family's other vehicles were recommended by me to be sent here. It's the kind of shop that when you are given the bill you don't look twice at it because you know you're in good hands. I recently had the opportunity to pick up a 1994 Toyota Supra from friend. RNZ had worked on this Supra for my friend with flushing the engine and replacing the clutch. The work that was done was great, they got the Supra back up and about. The AC wasn't working and I conferred with Al, they ended up replacing the entire AC unit for $$ The last thing I wanted to do was install a sound system, I had everything I wanted ordered from pioneer with Al's Input and was researching different stereo shops for the install. Price quotes were around $600. Dennis and Al offered to install everything for me for the same price. Dennis told me he only does stereo installs for his homies. I figured if I'm going to spend $600, I may as well pay it to people I know instead of strangers. Dropped off my car and went home to hang out. I got a call from Dennis saying that it was more labor intensive than expected and that the bill would be around $1000 but he'll hook it up for $880. A bit over my budget but cool. I picked up the car in the evening and they bumped the sounds, showed me the deck portion of the car. It looked like someone hacked the center console with a file. You can see pics below. Dennis told me he couldn't fit deck so he had to file the sides. He went into more detail and Al even said that La Jolla car audio would have charged over $1500 because they would have to do a custom wood bezel etc etc. I should be happy with the work he did. I went home with a weird feeling in my stomach. The next day in daylight I took a closer look at everything and the car was a mess. Greasy oil foot prints on the inside of my car, window seal loose, the Supra looked like someone just half assed the job without caring. I took my car to a stereo place and they straight up told me that Dennis installed incorrectly. I went back after talking to Eugene Abad Who works with them and was told the same thing by Dennis. His excuse this time was stereo shops quote you the low price to get you in and that's how they would get you for $1500. No help, no refund, he just filed the face a bit more, cleaned the interior, but as you can see it still looks awful. It took a while but I've been hunting for the replacement piece to my dash that RNZ butchered. I finally found the OEM part. I did my research and took it to a place called "Audio Sound" in Kearny Mesa. I informed them of all the the work Dennis said he did, and told the owner Amir I wanted to check and redo everything if needed . 2 days later everything looks great as you can see below. The deck fits perfectly without having to cut the center console at all Amir breaks it down to me that Dennis did a horrible job with everything. He didn't even secure my amp below my seat. Work was garbage period. The bill for the work to be redone was $456.60. They took the time to walk me through everything. Now armed with complete knowledge, I reached out to Dennis as you can see from the pics included. All I wanted was for them to reimburse me the $456.60 and money for the center piece. As you can see from the reply, they were caught. There's no owner ship or anything. They ripped me off over $880. Shouldn't that tell you something? For an amount that small what else have they done? I have a feeling these guys used my Supra to practice on, Who knows right? If $880 is worth severing a long good relationship, you have to ask yourself what else is possible? If you're a current customer or prospective customer I hope you read this and think twice about trusting Dennis and RNZ with your car. I blindly trusted them, didn't do my research and paid for it. It's people like this that ruin it for everyone else and makes the world a shittier place. Silver lining, is that I get to share my experience with you.

No more clunking sound
nam v.

After installing coil overs on my 2018 civic . The car right off the bat made a weird clunking sound that I couldn't figure out . So I took it to Dennis at Rnz to check it out and have the car aligned. It took him all day to figure it out but he was able to fix it ! He also aligned the car and adjusted my suspension. Car now handles and ride super smooth with no clunking sound . Great customer service !Dennis even did a follow up call on me the next day to make sure I was happy with the car . Thanks again RNZ. Glad I took it to you guys to fix my car !

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4 years ago

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3 months ago

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9 months ago

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2 years ago

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2 years ago

Great service! Searched around for a trusty shop near me and they did not disappoint. Been going to them ever since!

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8 years ago

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2 years ago

Extremely helpful, suggested options to fix my car instead of paying for a diagnostic. Highly recommend

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2 years ago

Simply amazing. Been coming here for years and many more to come. PLACE IS VERY DEDICATED TO THEIR CRAFT !

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6 years ago

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5 years ago

Really friendly people and very knowledgeable in what you need repairing or installing. Definitely will recommend!

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Page 1 of 4

Ask the Community - RNZ Conceptz

Review Highlights - RNZ Conceptz

“I was greeted immediately by Albert and they took my car in for a four wheel alignment on their low profile rack.”

Mentioned in 58 reviews

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HUGE shoutout to brake stop- I called at 1 pm needing all new rotors and pads, brake fluid and he…read morehad my car ready by 4. Pricing was fair given scope of work and my new brakes work great. Totally will recommend others to go here, thank you guys!

A 1 month, 1200$ radiator job could have killed me and child. I would be very concerned about…read moresafety of repair and do a very detailed inspection before accepting the vehicle or just avoid this shop. 7/21/26: I brought my 2004 Jeep Grand Cherokee to Brake Stop for a radiator replacement. * 7/24/26: I picked up the Jeep after the repair. (1200 for radiator and hoses) * Shortly afterward: While driving, the hood unexpectedly opened, damaging the hood and shattering the windshield and almost causing wreck on freeway. * I had the vehicle independently inspected for approximately $200 after the shop initially denied responsibility. The inspection found many loose peaces of hardware relating to the radiator repair and the hood latch had been left loose. * After further discussion and inspection, Brake Stop accepted responsibility for the hood failure and agreed to repair the resulting damage. * The Jeep remained at the shop for nearly three weeks while the repairs were completed. Communication during this period was frustratingly limited, with me generally having to call for updates. * 8/27/26: I picked up the Jeep. The hood, windshield, hood struts and hood release cable had been repaired/replaced at no cost to me, and reluctantly reimbursed my $200 inspection expense. Did not offer refund for botched repairs Ultimately, I appreciate that the owner took responsibility and made the vehicle right. However, the original incident was extremely stressful and could have been dangerous, and I was disappointed that the vehicle was released after the radiator repair with the hood latch apparently not properly secured.

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It's unfortunate because I really wanted to give this place a try, it would've been convenient for…read moreus since we manage multiple vehicles, and I was hoping to build a solid business relationship. On 4/14 I brought in an Escalade after replacing the rear brakes because it started throwing multiple warning lights, even though the ABS sensor and brakes were already replaced. I understand newer vehicle technology can sometimes cause glitches even with simple repairs, so I trusted they'd be able to diagnose and fix it. They charged a $130 diagnostic fee, which I was completely fine with. The next day, they said they needed to reset the computer for $390. Since I had already paid for the diagnostic and was told it would go toward the repair, I agreed. The following day, I was told they couldn't reset it and that I'd need a new module for $3,468.54. I declined and decided to get a second opinion from our regular mechanic. I still paid the $390 plus a $13.65 service charge, which I later found out was a credit card fee. The next day, I took the vehicle to our regular mechanic. Within 2 hours, they cleared the stored codes and the vehicle was ready, total cost: $120. No waiting days, no module replacement, and no unnecessary upsell. I waited a couple of weeks before writing this review to make sure the issue didn't come back, and also spoke with Barry to see if anything could be done about the $403.65 I paid. I felt it was unfair to be charged for a service that ultimately wasn't completed. I would've been completely fine just paying the $130 diagnostic fee. Unfortunately, he declined, stating the charge was for their time. I understand time was spent, but from a business standpoint, I wouldn't feel right charging a client for a repair that wasn't successfully completed, especially when the vehicle left in the same condition it arrived. Because of this experience, I wouldn't return or recommend this shop to others. I think it's important for people to know that you may end up paying for work that doesn't actually resolve the issue.

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RNZ Conceptz - autorepair - Updated October 2026

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