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    Grc Performance

    4.0 (50 reviews)
    Closed 10:00 am - 6:00 pm
    Updated 1 month ago

    Services - Grc Performance

    Auto diagnosis or inspection

    Auto maintenance

    Auto repairs

    7 More Services

    Auto battery or electrical system repair

    Auto engine repair

    Auto light repair

    Auto steering and suspension repair

    Auto transmission repair

    Routine automotive maintenance

    Transmission leak inspection

    Grc Performance Photos

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    Recommended Reviews - Grc Performance

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    Reviews With Photos

    Dodge Charger SCAT PACK tuned up courtesy of GRC baby!!!!
    Brian D.

    I absolutely love this place. We have Jeep's and Dodge chargers. They are masters of that type there. American Muscle baby. Stay away from trash dealers who literally wanted to charge me twice as much. I didn't even call these guys the last time, I just rolled in and they always go above and beyond. They are geniuses and honest and reliable and I will never take my car anywhere else. Don't be an idiot. If you got a high performance car or an American made bad ass, go here. You won't regret it.

    Jeffrey M.

    I took a 2019 Toyota Tacoma Off-Road to have a 2" leveling spacer put on in the front and a 1" block in the back. After doing some research on the task on Tacoma World Forum, I had a good idea how much labor was involved. Umberto quoted me a very fair price over the phone. It was considerably less than Allen Tire Co. which is a few doors down. The company I work for is down the street from Allen Tire and we do a lot of business with them with our trucks, and they still were very unreasonable. Smh. Thanks Umberto for doing a great job. The staff is really nice as well. I'll be a future customer. Thanks GRC! Jeff

    Built by Umberto at GRC. Highly recommend him for builds, and regular service for your daily drivers.
    Lloyd S.

    Umberto built my 66 Mustang about 5 years ago. We swapped out the stock 200 and added at 302, T5Z, 9" rear, and upgraded suspension and converted to 5 lugs. I don't let ANYONE else touch her. Unfortunately last year I had a rear seal leak and I was too far away to tow. I had to have someone else repair and it's been a nightmare for the past year. This week I brought her back because the leaking started again amd vibrations were getting worse. Umberto got it back to the way it should have been.....and it took less than half a day! I also take my daily drivers to him..... Best prices and repairs and service I know will be done right!

    Matt P.

    When I came to GRC my '68 mustang was so rusted it wasn't safe to drive. I had 3 shops give me a recommendation and Umberto was by far the most honest and accurate of them. From major fabrication to building an engine from scratch, everything was done by a man that treats cars like artwork. I didn't tell him, but I had a highly recommended shop inspect the car when it was finished and they said they couldn't match the craftsmanship! Not sure what more you could ask for?

    Engine
    Danielle W.

    Took my mustang to 2 other shops for them to finish up the engine build and one shop took 5 months and the other shop took 6 months, barely did any work and charged me $1,200 (5150Racing). Took the half finished engine to GRC and they got it finished up, and put in the car and running within a week, let alone the transmission rebuild and brand new clutch. Thanks guys

    SS Camaro Supercharged

    GRC Performance is the place if you want to Supercharge your car. I have a 2016 SS Camaro and I wanted to install a supercharger but I wasn't sure of which one to buy. With Sylvia's & Umberto's expertise they helped me decide which way to go. I left my girlfriend (the SS) at their shop & went home to my wife. Sylvia called me a few days later & said my car was ready. I'm blown away by the increase in horsepower. At half acceleration the SS is scary fast, at full power it's pee your pants fast. I went from a muscle car to a super car in a couple of days. In all my years of dealing with speed shops GRC is by far the best. Umberto really knows about high performance cars. He is absolutely the best! The install looks like a factory install. As Sylvia promised my car was done on time & at the price quoted. I trust both of them so much that all my mechanical work on my cars will only be done at GRC Performance. Thank you Umberto & Sylvia!

    Kenne Bell on my 06 mustang

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    Umberto G.

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    Page 2 of 2

    Ask the Community - Grc Performance

    Review Highlights - Grc Performance

    Silvia is also an absolute joy to work with, and her husband, the mechanic and owner, does a stellar job!

    Mentioned in 3 reviews

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    Grc Performance - autopartssupplies - Updated June 2026

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