Welcome to Thundersports Performance, where the variety of powersports products is second to none. Whether you're waist deep in snow or just itching to get to the track, we're here to help you get where you need to go. In all of Superior there isn't a friendlier or more knowledgeable staff than ours. We're happy to help you find the parts, accessories and clothing you've been looking for. Check out our Shop page to see what we have; and if you need help in making your selection, call or stop in—we're always ready to help!

If you need parts and accessories for your ATV, dirt bike, street bike, or snowmobile, look to Thundersports Performance in Superior, Wisconsin. We carry the latest from SLP, Woodys, HJC, ITP, Moose, and many other top powersports manufacturers. Customers from Duluth, Viginia, Hibbing, Superior, Cloquet, Hemantown, and other nearby local communities have come to trust the service, quality, and knowledge you will receive at Thundersports Performance.

We have the largest selection of Castle and Klim snowmobile riding gear in Northern Wisconsin. We offer 1-2 day shipping to Iowa, Illinois, Indiana, Minnesota, North Dakota, Michigan, South Dakota, and Wisconsin on all our CastleX and Klim snowmobile gear. Our selection of CR2 and Switch jackets and Fuel pants is second to none. Stop in and see what Klim has to offer. When you see the quality of the Klim Klimate and Valdez Parkas and the Adrenaline boots, you will see why Klim is king of snowmobile riding gear.

Our Service Department is ready to tackle any repair or performance modification you may need. From basic tune ups to full on race machines, our trained and experienced staff is ready to take care of your machine. We also specialize in shock and fork rebuilding services using quality products from Race Tech, Fox, Elka, HPG, Works Performance, Factory Connection, and Custom Axis.

Call us today for more information at (715) 392-4030. Or, you can also send us an email at thundersportsmx@yahoo.com.