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August 2024 by Devann Benjamin
I've taken my car to John many times to do work on my SS. Between the service and work they provide at Koza I definitely recommend them.
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July 2024 by Dan E.
I brought my 2018 Corvette to Koza for quite a few upgrades. They did an excellent job. Pricing was all up front no hidden fees. John and Michelle run a great shop. I plan on returning in the future for more work.
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June 2024 by Jason Schroeder
John at Koza has come to our rescue for our OEM 2007 TBSS several times over the years. From fixing a broken head bolt that other shops wouldn’t touch to replacing the rear air bag suspension and most recently replacing the transmission on short notice when it died. This is our only vehicle and John worked some magic to find a new unit and have it in within a day. Just amazing and really saved us time and headaches.
Koza does fantastic work and I have always found John to be honest and straightforward. The performance work they do looks amazing but even if you just need basic repair work I would trust Koza to handle your GM small block. The great work and experience is clear.
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April 2024 by Kyle Dach
John runs a great shop. Always stands by their work and their word. What more can you ask for.. oh ya , and my car turned out a beast after John did his thing. Highly recommend. I’ll be back
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March 2024 by robert selig
A good experience. My son dropped a rod in his Camaro. Koza was up front and honest gave my son all his options. Unfortunately the cost on such a big job was not feasible at this time. So the car will sit until he puts together the money. But once he has it the car will definitely be done by Koza. Can’t say enough about the patients and understanding of the owners. Great honest people.
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March 2024 by Jordan Vieceli
Lemme just say I am VERY picky on who touches my cars. So finding shops to work for me is difficult to say the least. When it was time to have my HCI Z06 tuned I had lots of options to pick from. But when I asked around, one name kept popping up; KOZA. I knew they were legit.
John, Michelle and Alex are incredible in what they do. No other way to put it. Michelle is very well versed in customer service and John and Alex know their way around an LS. They took care of my car as their own and didn’t settle for anything less, all while being extremely affordable and reasonable. I can confidently say when the time comes for more performance work or even another build, Koza is my first AND ONLY phone call.
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February 2024 by David Lisca
Great shop, does great work. Got my cam and headers done in two days. If you need anything done to your Ls John and Michelle are the guys to do it. Highly recommend them over anyone else. Great turnaround time great prices and even better service
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February 2024 by Ashley Cullotta
KOZA is king for performance John and Michelle are phenomenal to work with very knowledgeable people and honest. My experience at the shop was more than five stars ⭐️ hands down!!!
They took a troubled ZL1 built like Frankenstein and made it run like a cougar.
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January 2024 by Ryan Sully
Would like to extend sincere thanks and appreciation to John, his wife, and his staff. Took my 13 GS for supercharger install and tune. They were extremely patient, communicative, and transparent about expectations and goals. I couldn’t be more pleased with their service, attention to detail, and skill during the process. I am looking forward to a long standing relationship with these great people.
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November 2023 by Jordan Suchowski
Big shout out to the Koza Team! Best team around! If you are looking to get work done, go check them out you won’t be disappointed! Very professional! Great work! I will definitely be back!Services: Transmission
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November 2023 by Angelo Borgens
This has been a long time coming post- sadly. Koza was recommended to me by a close friend. I brought my 02 z06 for a cam package with some additional upgrades. When picking up my car it seemed off- after some digging into it found the wrong cam to be installed. Went back and they had no issue righting this wrong. Now fast forward to new cam in the car, idle issues, surging, terrible drivability and my ac no longer worked. Again phoned in and was told I needed a throttle body and bigger injectors. Went back for a “re-tune” to be told it needs to “learn”. At this point I was fed up and parked my car for months. Finally found a tuner local to me who gave me the time of day to listen to my goals, and not to my surprise he found a lot wrong with my tune. Multiple parameters shut off, wrong injector data imputed, and idle settings not adjust from factory.these are just an few. After a few days with my new tuner this car drives like stock! Koza toldMe with this large of a cam it won’t drive nice. Well I have to say it drives wonderful now. Also picked up 20whp more on a heart break dyno. (Numbers don’t mean anything but nice to know)I have all the documentation on this if anyone cares to see it. I will not be returning or recommending him to anyone. John and his wife are very nice people but my thoughts are they take on to many projects and they are over looked and unfortunately I was one of the ones that got burned. I hope they do get better. I’ve attached my recent receipt for others to see my findings.
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September 2023 by Anastasia Apostolopoulos
Super great guys. Always easy to talk to and informative!
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September 2023 by Tabz Shaikh
Hands down the place to send your beloved LS’s and LT’s
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September 2023 by Trevor Downey
This team is the one for custom performance builds on any vehicle.
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September 2023 by Bob Panek
If you have a need for speed, John Koza is your man. His abilities are incredible.
