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August 2024 by Gabe Davis
Don is awesome! 2011 challenger rt with a kenne bell. 1st work he replaced a few gaskets and seals in the blower and engine and added a catch can with the water pump. He called me throughout the time the csr was there and updated me , also charged a fair price and the work that wss done was good. I already had the car tuned through another respectable tuner but dons absolutley transformed this car, it gained a little bit of peak power but driveability is miles better. Throttle response is insane and it just feels more healthy. Went ona trip to st george 280 miles each way and averaged 32 mpg. Will 100% be coming back for more
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February 2024 by Glenn Merrill
Don knows Mopars and is honest and fair with his automotive work. Highly recommended.
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August 2023 by Chaz Roberts
Best shop in town. It is the only place I will let touch my car. Don is great at what he does his custom tunes are the best no cookie cutter tunes here. Each one he does is for that particular car. To all the people saying he didn’t answer the phone he is a one man operation and if he dropped everything to answer the phone he would never get anything done. Leave a message he always calls back.
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February 2023 by shawn pullin
They do amazing work
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October 2022 by Mike Southerd
I had a great experience at Horsepower Unlimited. They were very knowledgeable and super user friendly! I would highly recommend them for all your automotive repair needs, high performance engine mods, engine tuning and all your dyno requirements! Horsepower Unlimited is an A+++ shop!!!
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July 2022 by Barbara Adams
Excellent mechanic
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April 2022 by Spectral Potato
Went there to ask about pricing and the door was locked despite being well within business hours. Nobody was inside, I've called 5x over the past week and nobody answered
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March 2021 by Eric M
Very knowledgeable and great customer service. Don is very knowledgeable and helpful. Highly recommended
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January 2021 by Jennifer Seal
They diagnosed my car quickly and accurately. Very helpful and willing to jump in and help.
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October 2020 by Dennis Carlson
Don is a Mopar Master. Sprintex and Diablo fried my computer and so Don took my car and brought it back from the dead. Then he didnt charge me a lot either. It has been back a couple times to him to update the tune and he hasnt charged me a dime. He is old school business. I will never take my car to anyone else but Don. He is knowledgeable beyond belief. He does a lot of other makes and models but Mopar is his thing. Thanks Don.
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October 2020 by Nate Rist
Been trying to get ahold of this shop for over a week just to setup a time to bring my car in for a few dyno pulls and nothing more. They do not answer their phone and don’t respond to Facebook messages (shows they’ve seen the messages, but never responds). Not even sure they’re still in business tbh
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May 2019 by Jacob Jerchau
I dont understand the bad reviews, my wifes miata needed a tune so we called them up. Both the dad and son who I talked with were very nice people. I was quoted 350 and 3 days of work to fix the tune on my car. Calls back in 1 hour and charges me 200. The car now feels like new and my wife is back in love with the car. They did a great job. Definetly recommend.
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September 2018 by erick trent
Well I won't be taking any of my cars (74nova,65elcamino,2015camaroSS) to this place they still have my co-workers car after 2 months and my buddy's ride blow up do to a in proper tune. So all the reviews must be family or friends. Or maybe they just had an oil change or new wiper blades installed.
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April 2018 by Leticia Ramos
Don is honest and trustworthy
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January 2018 by Myfunhat lolo
The best place to take your car for professional work to be done. Customer service is on point and their work is outstanding!! Just take your car here and you won't regret it and it's definitely worth it
