We can build you a Race Ready Short Course Car out of your machine or we can supply a turn key machine for you! Call us at 651-982-6020 or email tech@speedwerx.com to get your build started!

2020-2022 ECU mapping now available!

Our Stage 2 Exterminator Kit gives you the biggest bang for your buck in an easy bolt-on package.

Please call 651-982-6020 or email tech@speedwerx.com if you are interested in getting your suspension setup for short course racing!

Pre-Order now for shipment Spring 2023!

This kit has been in development and tested in our own race machines since 2020, with zero failures since switching over to this set up- even running with welded front drive shaft couplers.

2020-2022 ECU mapping now available!

Our Stage 1 Exterminator Kit gives you a great bang for your buck in an easy bolt-on package.

The flash tool is designed for dealers, performance shops, or serious DIY'ers who want the ability to re-map ECU's or upgrade the Digital Gauge Clusters in-house.

After several years of racing and tuning on these machines we are proud to bring you these race specific clutch setups. This makes the already fast and powerful XX machine quicker, faster, and more race ready than ever.

Our Stainless Steel Exhaust Header has stepped diameter equal length primary tubes, and a 3-into-1 merge collector to maximize overall power and performance.

Availability TBA

The Q6 Series Slip-On Exhaust is designed to increase power, add acceleration and throttle response, lose weight and be maintenance free all while being only slightly louder than stock. 

NEW Calibration Specs now available for all elevations!

Our Hypershift Clutch Kits are one of the most valuable products available when it comes to enhancing the performance of your UTV. 

NEW Kit for ADAPT Clutches Now Available!

Our Hypershift Clutch Kits are one of the most valuable products available when it comes to enhancing the performance of your UTV. 

2020-2022 Stage 2 and 3R mapping now available!

Our ECU Programming raises the Rev and Speed Limiters and Increases Power and Performance without the need for a fuel controller.

This L2 (Light n' Loud) Series Stainless Steel Slip-On Exhaust is designed to increase power, add acceleration and throttle response, lose weight and give your machine a new deeper, throatier sound.

Now Available! Tired of bending your Wildcat XX stock tie rods?? Wildcat Willy's tie rods are made out of the highest quality material on the market today.

More Air = More Power!

The AutoTune kit comes with a wideband O2 sensor and controller that connects to the Power Commander V. With this kit, the Power Commander V automatically adjusts the fuel map while riding.

Our new PTO Output Shaft is a higher quality part built with tighter tolerances to cut down on the noise in the cab, and it reduces the vibrations and harmonics that lead to clutch button fatigue and failure. Now Available Assembled with Bearing and Seal!

The POD-300 is an accessory display for Dynojet devices that support DJ-CAN; including the popular Power Commander V, AutoTune, WideBand 2, and CMD.

These buttons are a direct replacement for the stock parts and will outlast the stock buttons many times over, making them a good investment for peace of mind in any application where reliability and long term durability is a must.

Our Ulrtralight Race Rotor is .75lbs lighter than a stock rotor!

These weights are designed specifically for Wildcat XX models with the TEAM primary clutch.

These weights are designed specifically for Wildcat XX models with the TEAM primary clutch.

Our new Clutch Intake Kit moves the clutch housing intake and exhaust hoses away from the cab to reduce the noise heard from the passenger compartment.

We have a variety of specially cut helixes to suit virtually any application.