Featured UTV's Textron UTV of the Month

Muzzys Big Bore Arctic Cat Wildcat

Arctic Cat Wildcat
Muzzys Big Bore Wildcat

Arctic Cat Wildcat
999cc Big Bore Arctic Cat

UTV of the Month for August 2012

Arctic Cat released their long awaited sport UTV last Fall and it was immediately a big hit with enthusiasts that ride hard in the dunes and desert. With huge wheel travel and a long wheelbase, the Wildcat tamed big g-outs and laughed at giant whoops, but for more aggressive riders, it needed a little more punch.

This is where Muzzys, Inc. out of Bend Oregon stepped in. Not only are they famous for their equal length, dual exhaust systems, but they also know what it takes to make a v-twin get with the program. Rob Muzzy bought the first Wildcat he could get his hands on and immediately set his crew in motion building performance parts for it.

Big Bore Arctic Cat WildcatFirst up was dual exhaust and Digi-Tune fuel controller. The exhaust has an aggressive “small block” sound without excessive decibel level that is created from large diameter, tuned, equal length stainless steel head pipes and integrated “siamese” collector. Another cool feature of this exhaust system is the dual oxygen sensor bungs so you can easily add oxygen sensors to one or both head pipes. And for noise sensitive areas, Muzzys offers not only Quiet Cores, but also Whisper Cores that knock sound output down even further.

Next up was busting open the v-twin power plant. First stage was standard bore with 92mm high compression pistons, pins, rings, clips, gaskets, stage 1 camshafts and valve spring kit. Combined with their dual exhaust, the stage 1 kit adds a nice bump in horsepower without needing any cylinder work.

Then it was time for big bore! The Muzzys 994cc Big Bore Kit includes bored & plated cylinders, 94mm pistons, pins, rings, clips, head and base gaskets. The result is a 32% increase in horsepower over stock!

Arctic Cat WildcatLastly, they cracked open the CVT and created a bolt-on wet clutch delete kit. The new clutch setup from Muzzys removes the stock Wildcat wet clutch assembly for a significant reduction in power lag and an increase in acceleration and top speed. The result is a faster, more responsive Wildcat with a fully tuneable performance clutch. What makes this kit even more cool is stock components are not modified to install this kit. That means if you ever wanted to go back to stock for any reason, you can.

I met up with Muzzys up at DuneFest 2012 in Winchester Bay, Oregon and had the opportunity to get behind the wheel of their Wildcat. Together with Dave Kuskie from Fullerton Sand Sports, we put the cat through its paces in the dunes. What we experienced was a transformation from a mild-mannered vehicle with incredible suspension, to a UTV that’s power and acceleration now matched the superior suspension.

While all these add-ons can take your Wildcat to the next level, I really think the biggest bang for the buck lies in the Stage 1 kit. It has a solid increase in power without bigger modifications seen in the Stage 2 kit. And for those that want even more, rest assured that performance research and development hasn’t stopped there. Muzzys is elbow deep with intake, billet cylinders and head work that should really wake the Wildcat up!


  • Engine: Features Muzzy stage two 994cc kit which contains big bore cylinders and pistons. Muzzy camshafts with more lift and duration. Muzzy valve spring kit with titanium collars. Muzzy full exhaust system. Muzzy Digitune fuel controller. K&N filter with cover.

  • Clutch: Muzzy wet clutch delete kit. Wildcat Willys spike load damper delete kit.

  • Chassis: Wildcat Willys weld on roll cage and roof kit, installed by Muzzys. Door posts and doors fabricated by Muzzys. Front bumper, Wildcat Willys. Rear bumper, UTV Inc.

  • Seats and Harnesses: BeardSteering Wheel: Speed IndustriesPassenger grab handle: Wilcat WillysInstrument Cluster: oil pressure, fuel pressure, Air/Fuel front and rear cylinder, oil temp and water temp. Billet housing and bracket. Provided by Muzzys.

  • Wheels and Tires: Fullerton Sand Sports.

  • Skid & A-Arm Guards: Factory UTV.

  • Other: Cooling vents – Wilcat Willys; Radius Arms – Wildcat Willys; Quick Release Fire Extinguisher Mount – Muzzys

More Photos:

Muzzys Big Bore Arctic Cat WildcatMuzzys Big Bore Arctic Cat WildcatArctic Cat Wildcat

More Resources:

Manufacturer Info:

About Arctic Cat:
Arctic Cat Inc., based in Thief River Falls, Minn., designs, engineers, manufactures and markets all-terrain vehicles (ATVs) and snowmobiles under the Arctic Cat® brand name, as well as related parts, garments and accessories. Its common stock is traded on the Nasdaq National Market under the ticker symbol “ACAT.” More information about Arctic Cat and its products is available on the Internet atwww.arctic-cat.com

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Send and email tojon@utvguide.net with specifications and images. Images should be about 800×600 and less than 100k each.  Make sure you include a list of modifications along with manufacturer info.

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