John H.
10/22/2018
Harold and his team are a 1st class act. Their knowledge and expertise are second to none. They were able to help me with my car that I bought used and would not pass emissions, due to a badly...
DynoSource Performance
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20009 W State Line Rd
Antioch, IL 60002
DynoSource Performance is a premier performance automotive facility located in Antioch, IL, serving the Chicago and Milwaukee areas. They offer a wide range of services and high-quality performance parts to upgrade vehicles for various purposes, from street driving to racing on the drag strip or road course.
With a vast selection of racing tires, including high-performance all-season tires, drag racing radials, and off-road max traction tires, DynoSource Performance has everything you need to enhance your vehicle's performance and achieve your goals on the track. Their expertise and online and phone support ensure that customers receive the best products and assistance for their speed needs.
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Reviews
3.54 reviews
Adam P.
10/30/2024
I had a disappointing experience with Harold and DynoSource. The customer service was lacking, and the workmanship on my vehicle was subpar. After taking my car in, I discovered several mistakes...
Adam K.
4/5/2024
Had my car retuned here because P&L motorsports doesn't know what they are doing. Harold fixed P&Ls mistake and my car is running beautifully. Harold is very knowledgeable and knows what he's...
Ram S.
3/9/2021
This shop owner and his crew could not find their way out of a paper bag if they walked in it. I am not sure why they are involved in tuning cars. This shop is just a toy shop nothing else. I...
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