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February 2024 by Derek E.
These guys really know what they are doing. This place is amazing. So glad I found a great and trustworthy shop to work on my vehicle. Thanks
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November 2023 by J. Alan
Worked with Nick on a Stage 1 APR Tune for my 2021 PorscheCayenne Coupe. Excellent service and communication. The tune is great. Def feel the xtra HP and torque
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November 2023 by Kent Thomas
Incredible speed shop with friendly staff and expert industry knowledge and experience. Have worked on several of my Audis, BMW and VW. Highly recommend.
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September 2023 by David O.
Had to bring my Benz in for tire change and brake replacement. The good speed team was able to get it done flawlessly and even had some suggestions for some other items they noticed I'd need that they had in stock
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September 2023 by John Pugliese
Used these guys years ago for some mods. They did great it’s been about 10 years since install and it’s still sitting solid. They did take a nice knick of paint out of a rear panel, they did me a favor so I can’t really complain.
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September 2023 by Jay Pugs
Used these guys years ago for some mods. They did great it’s been about 10 years since install and it’s still sitting solid. They did take a nice knick of paint out of a rear panel, they did me a favor so I can’t really complain.
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August 2023 by Jeff Pinosky
I highly recommend this place. The staff is friendly, and knowledgeable.I had a question about my 2007 Mercedes 550 cabriolet about tuning, and they sent me a written estimate via email. I definitely recommend this place.
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July 2023 by Dan
I 100% recommend GoodSpeed Performance to anyone wanting to have work done on their cars. The team here made my very temperamental Subaru actual usable here in the valley during the heatwave.
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July 2023 by William Fisher
I have been going to GoodSpeed Performance Lab for over seven years now. During that time period numerous performance upgrades (from 585 HP to 900 HP with 1050 ft. lbs. of torque) and other services were performed on my 2017 Mercedes Benz CLS63 S without any problems noted afterwards. Jon is extremely knowledgeable in his field. All the vendors he uses are top notch and his fees for the work performed are very reasonable. GoodSpeed Performance Lab, in my opinion, is most likely one of the top two best aftermarket speed shops in Arizona.
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June 2023 by Craig B.
Friendly and very knowledgeable staff. They installed a jb4 performance chip and H&R lowering springs on a 2023 BMW X4 M40i. Work was completed on schedule and within a week of ordering as planned. See Yume for all you BMW needs!
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May 2023 by Brandon D.
Yume is very nice and provide great customer service. Goodspeed is the best shop in AZ. They've done everything to my car installing all my parts tune suspension. Tech did solid work. Just had coilovers, brakes and suspensions parts installed and everything was installed perfectly and rides great. I've been running on their build and tune for 3 years on my wrx and everything runs like new still 80k miles.
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April 2023 by Andrew Prince
Thank you to Jon for turning my 911 turbo S into a wicked beast! The car is truly transformed. It’s insane and so much fun! Anyone with a Porsche that wants to take the next step absolutely give Jon a call. He will help you through every step of the way. He’s meticulous and his years of knowledge really show when building a complete cohesive package. Thank you again! Amazing!
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April 2023 by Greg bentley
Best company in the Scottsdale area for modifying audi vw etcetera. Would recommend to anyone looking to modify there cars
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April 2023 by Bryan
Just got off the phone with John. Super helpful place, they know their stuff. Look no further and call these guys. Completed Stage 2 for me and now working with them on Stage 3.
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February 2023 by Hunter H.
My Subaru Wrx had a check engine light come on, I am new to the area and was looking for a reputable shop. Everyone I talked to were very friendly and helpful. They were nice enough to take the time out of their day to talk to me extensively about questions I had about my car. Very attentive and caring staff members at GoodSpeed.
