Extreme KartzReviews of extremekartz.com

465 Highway 74 S, Peachtree City, Georgia

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The Fair Hearing score

4.6/ 5

Excellent

250 reviews

Extreme Kartz4.6Excellent

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About Extreme Kartz

We aren’t a call center - we are a team of golf cart experts. We specialize in offering a wide range of golf cart parts and accessories for Club Car, EZGO, Yamaha, Icon, and Evolution Golf Carts. Take your cart to new heights with our top sellers, including high-performance Lithium Batteries, body kits, lift kits, Navitas kits, wheels and tires, and Custom Seats tailored to your preferences.

Extreme Kartz (extremekartz.com) has 250 customer reviews on The Fair Hearing, with an average rating of 4.6 out of 5.

Also known as: extremekartz.com
Website: extremekartz.com
Category: Other Vehicles & Trailers
Location: Peachtree City, Georgia
Listed on The Fair Hearing: 2026

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May 14, 2026

First off

First off, I'm happy with the product, now my cart is too fast now! However, I would like to say the new controller had 6 posts and my stock neos ac controller had 5, so I had to wait till a Monday to find out what the "R" post was for. (not used on my Yamaha drive 2) Also, the new adapter plate had 5mm screw holes, the plate came with 6mm. The stock controller uses bolts, so I had to go out to find screws so the plate would fit flush and 5mm screws to attach the new controller to the adapter plate. Also, my stock 3.3 watt motor motor leads came directly off the windings with no way to install the new 2g wires I purchased. Also, the 2g wiring set didn't have a wire for the positive battery to the solenoid, luckily I had a wire for one of the motor leads to use. The upgrade solenoid I purchased has 4 male blade post to attach the wires, my cart has ring conections on the original wiring. No installation instructions came with any of the items purchased. You guys were quick to address my questions and that's great, but I do have concerns that my stock motor leads 4g?, may not be large enough as yall recommended 2g wires that I purchased for the 700 amp controller. After my review I received a personal phone call to address my concerns, a very nice touch I must say, again great service after the sale. So, still 3 stars on my experience but a solid 5 stars on customer service.

By Neal R.

Response from Extreme Kartz· May 19, 2026

Thank you for taking the time to leave such a detailed review, and we’re glad to hear the cart is performing well — maybe a little too well now! We also completely understand your frustration with the installation experience. Having to pause the install, wait for clarification, and make multiple trips to the hardware store is not the experience we want customers to have, especially on a performance upgrade like this. We appreciate you pointing out the areas where the hardware, adapter plate, wiring expectations, and solenoid connections created confusion. For some clarity, Navitas advises that the stock cables are acceptable in this setup, and the motor phase cable that needs to be upgraded is included with the Navitas kit. That said, we understand your concern since you purchased 2-gauge cables based on the controller upgrade, and we can see how the motor lead setup on your Yamaha Drive2 made that less straightforward than expected. We also appreciate you mentioning that our team was quick to answer your questions. We’re always happy to help work through install questions when they come up, but we agree that better upfront instructions and clearer hardware expectations would have made this a smoother install. Your feedback is helpful, and we’ll be using it to better educate future customers on what to expect with this type of Yamaha Drive2 upgrade. Thanks again for your business, your patience, and the honest feedback. We’re glad the product is working well, and we appreciate the opportunity to follow up with you directly.