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K&N-Sponsored Guthrie Racing Dominates the Grueling UTV King of the Hammers

Mitch Guthrie Jr. racing in the King of the Hammers desert race in California

Guthrie Jr. handled the boulders with skill and finesse (photo: UTV Action)

The King of the Hammers combines desert racing and rock crawling, making it one of the most challenging UTV races in the world. The annual race held at Means Dry Lake in Johnson Valley, California has a way of humbling the most battle-tested of racers. However, the K&N-sponsored Guthrie Racing Team claimed full ownership of the course in the 2018 running of the event.

If there were a Mt. Rushmore of faces carved into the King of the Hammers boulders, Mitch Guthrie Sr. would certainly be there. The elder Guthrie is a legend in the sport with six Hammers victories, several of which included his son as a co-driver. Based on what we witnessed in this year’s race, Mitch Jr. is also on his way to legend status.

The younger Guthrie namesake is now carrying on the legacy of topping the race podium. The 2018 running of the King of the Hammers marked the first time Junior raced the course without his father in the adjacent seat. Clearly, Mitch Jr. has been paying careful attention to the lesions learned sitting side-by-side with his mentor.

Mitch Guthrie Jr. racing in the King of the Hammers desert race in California

Guthrie Racing trusts K&N filters to keep their Polaris RZR Turbos clean (photo: J. Zindroski)

Racing in separate Polaris RZR Turbos, the Guthries were fast and efficient on the 80-mile desert racing portion of the course and surgical on the rock sections. Guthrie Jr. qualified 5th for the race, but charged to the lead in the Sledgehammer section and held that position for the remainder of the race. The win was a dream realized for the Guthrie protégé.

“I don’t know what to say. It’s been a long road getting here riding with my dad a lot and we had a few wins, but I really wanted to do it by myself,” Mitch Jr. said. “I was nervous going in. It’s my first time really getting in the rocks. We made it through, and it was a clean race.”

Guthrie Sr. showed that he still has what it takes in the brutal King of the Hammers by pounding to an impressive 3rd place in the race. The stranglehold that the Guthrie clan has on the Hammers podium is only rivaled by Polaris. The RZR side-by-side has dominated the competition for a full decade with 10 straight wins.

Mitch Guthrie Jr. winning the King of the Hammers desert race in California

Guthrie racing is making a habit of claiming the checkered flag at King of the Hammers

The Guthrie / Polaris string of wins in the King of the Hammers is even more impressive when you consider that only about 10% of race entrants finished the competition. A mere 12 of the 118 UTVs that started the competition crossed the finish line. The Guthries raced past and around a boneyard of broken UTVs on their way to the podium.

K&N is proud to be the intake and filtration manufacturer that Guthrie Racing trusts to keep their RZRs clean and powerful in brutal conditions like those found in the King of the Hammers. K&N will be there as Guthrie Racing moves to the Mint 400 which is next on their desert racing schedule.

To find the K&N intake and filters for your Polaris RZR, use our convenient and easy-to-navigate online application search tool.

UTV King of the Hammers Race Winners:

Mitch Guthrie Jr. wins the  King of the Hammers desert race

Mitch Guthrie Jr. proved he is ready to stand on his own with his King of the Hammers victory

2018- Mitch Guthrie Jr.

2017- Shannon Campbell

2016- Blake Van De Loo

2015- Mitch Guthrie Sr.

2014- Mitch Guthrie Sr.

2013- Mitch Guthrie Sr.

2012- Mitch Guthrie Sr.

2011- Brandon Schueler

2010- Mitch Guthrie Sr.

2009- Mitch Guthrie Sr.

K&N Cabin Air Filter for 2016-2018 Mazda CX-9, 2016-2017 Toyota Prius and 2018 Toyota Camry

With a K&N Cabin Air Filter you'll never have to buy another for your Camry, Prius, or CX-9

The VF2054 K&N Cabin Air Filter fits select Toyota Camry & Prius, and Mazda CX-9

Every once in a while you come across an OEM component that’s shared among a unlikely group of vehicles. Typically there’s a supplier that has an existing part that the car companies utilize instead of developing an all-new component. That appears to be the case for the Cabin Air Filter shared by the unusual combination of 2016-2018 Mazda CX-9, 2016-2017 Toyota Prius and Prius Prime, and 2018 Toyota Camry, equipped with either the 2.5 L four cylinder or 3.5 L V6, all of which can be fitted with the VF2054 Cabin Air Filter.

So despite the fact that there are four cylinder engines and six cylinder engines, turbocharged and normally-aspirated motors, and even hybrid powerplants, it really doesn’t matter to a Cabin Air Filter as its job isn’t to protect the engine. Its job is to protect the driver and the occupants.

The role of a Cabin Air Filter is to clean and filter the outside air that enters your car, or SUV through its ventilation system. As the filter does its job and collects dust, debris, spores, and pollen it gets dirtier so that the air entering your ventilation system could become restricted.

K&N Cabin Air Filters carry a One Million Mile Warranty

A properly maintained cabin air filter blocks mold, mildew, fungus, spores, bacteria, dust, and more

Without the full flow of air around which the ventilation system was designed it could cause your air conditioning or your defrost system to not work as efficiently as it should, and may even shorten the life of those components resulting in a costly repair.

For example, if you drive in an area with sand, dust, pollen, spores – even old leaves – in the air, over time these contaminants have collected on your filter and have reduced air flow through your heating and air conditioning system.

A sure sign of a clogged or partially clogged Cabin Air Filter is that you have to turn the fan up higher to get the same amount of air out of the vents as when the vehicle was new. In addition, if you’re plagued with persistent bad odors inside the car they can often be traced to bacteria or mold growing on the filter.

And if you or any of your passengers suffer from respiratory ailments, an effective Cabin Air Filter can help assure their comfort inside your vehicle.

Detailed installtion instructions are included in the shipping carton

Everything required to install a K&N Cabin Air Filter is included in the box, it's even precharged

As your Cabin Air Filter is your first line of defense against these pesky hitchhikers, why not replace your OEM filter (often made from paper) with a high-quality K&N filter. K&N Cabin Air Filters are the first of their kind designed to replace your vehicle's stock cabin air filter with a washable and reusable upgrade that cleans and freshens incoming air.

Further, your VF2054 K&N Cabin Air Filter is electrostatically charged to grab and hold dust and other airborne particles. It also help control odors while they help capture and hold most mold, mildew, fungus, spores, and germs.

Made of a unique non-woven synthetic material, the same air filter media used in healthcare facilities, K&N Cabin Air Filters are an easy replacement upgrade for your vehicle's Cabin Air Filter. Replacing the Cabin Air Filter is a fast swap – it’s as simple as exchanging the old, dirty filter for a new one. The housing for the filter is typically within easy access and may not even require any hand tools to replace.

K&N Cabin Filter Cleaning Care Kit comes with spray bottles of cleaner and refresher

The K&N Cabin Filter Cleaning Care Kit makes rinsing and reviving the filters a breeze

Detailed installation instruction sheets and often, are provided on the specific product web page for the filter that matches your vehicle. K&N Cabin Air Filters are designed to fit your car perfectly and seal tightly, thanks to the precision-engineered Polyurethane frame. In addition, each filter comes pre-treated and is ready to install straight out of the box.

The only maintenance required for your VF2054 K&N Cabin Air Filter is a service you can do yourself in no time at all. At intervals of about 12 months or 12,000 miles, using a K&N Cabin Air Filter Cleaning Kit, parts number 99-6000, you can easily renew and refresh your air filter, which brings it back to virtually new condition and ready to protect your car’s cabin and your passengers. Your K&N Cabin Air Filter has been designed to last for years of use and is guaranteed by K&N’s 10-Year/100,000 Mile Limited Warranty.

And by purchasing a reusable Cabin Air Filter you’re helping the environment as well, as you no longer have to throw away an old, clogged filter that will end up in a landfill.

Based in Riverside, California K&N Engineering is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 to protect engines in desert racing while improving power and has been perfecting the technology ever since. K&N is a world class filtration company that sells air filters, oil filters, and cold air intakes in over 30 countries around the globe.

To find additional K&N upgrades for cars, trucks, scooters, ATVs, motorcycles, watercraft, motorhomes, or almost anything with an engine, use the K&N Search by Vehicle tool. Find an authorized K&N dealer nearby using the K&N Dealer Search.

K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%.

2018 TOYOTA CAMRY 3.5L V6 Fuel Injection - All Models
2018 TOYOTA CAMRY 2.5L L4 Fuel Injection - All Models
2018 MAZDA CX-9 2.5L L4 Fuel Injection - All Models
2017 TOYOTA PRIUS PRIME 1.8L L4 Fuel Injection - US
2017 TOYOTA PRIUS 1.8L L4 Fuel Injection - US
2017 MAZDA CX-9 2.5L L4 Fuel Injection - All Models
2016 TOYOTA PRIUS 1.8L L4 Fuel Injection - US
2016 MAZDA CX-9 2.5L L4 Fuel Injection - All Models

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K&N Air Intake Adds Estimated 15 Horsepower to 2017 6.2L Duramax

The Air Intake Kit features a mandrel-bent aluminum tube with all needed fittings

A massive 7.5-inch tapered K&N filter tops the Air Intake Kit for select 2017 6.2 L Duramax

The latest version of the 6.6 L Duramax Diesel LP5 engine powers the 2017 Chevrolet Silverado 2500 and 3500 and the 2017 GMC Sierra 2500 and 3500. New for the 2017 model year, it is the most powerful diesel engine ever produced by GM. The output is 445 horsepower @ 2,800 rpm and massive torque of 910 lb-ft @ 1,600 rpm.

But despite this increase in power, there’s still room for improvement. Take the K&N 77-3101KP high-flow performance air intake system. It’s been designed to improve airflow into the engine, which will add an additional estimated 15.22 horsepower and 32.99 lb-ft of torque at the drive wheels.

The LP5 Duramax is a significant upgrade from the previous version. Still a 90-degree V8, the cast-iron engine block features induction-hardened cylinder walls for durability. A forged steel crankshaft rides in five cross-bolted main bearing caps, with powdered metal alloy connecting rods with larger journals. The high-pressure, common-rail direct-injection system has an increased capacity, while the electronically-controlled, variable-geometry turbocharger operates at a higher boost pressure.

One drawback of turbocharged engines is that the process of compressing the intake air heats it up considerably, as a function of how much the turbocharger pressurizes the incoming air. Internal combustion engines work best with cool intake air, so an intercooler is typically installed between the turbocharger and the intake ports. A K&N Performance Intake System features a heat shield that helps protect the cool incoming air from being affected by high underhood temperatures. This assists your engine’s intercooler, as it delivers cooler air to the turbocharger, the output of which is lower in temperature, supplementing the drop in intake temperature the intercooler is designed to deliver.

The K&N Air Intake Kit is a simple installation with no drilling and can be completed in 90 minu

The K&N Air Intake replaces the stock air box and includes a heat shield to keep intake temps down

Fresh air first enters a 7.5-inch tall RC-5179 K&N high-flow air filter positioned within the heat shield that installs into the space of the factory air box. Oiled cotton has been selected as the filter media as it offers less resistance than traditional filters. While most K&N air filters are made from 4 layers of oiled cotton gauze, this intake features 6 layers of an extra-fine weave cotton to add even more protection for the high demands of diesel engines. Each filter design is verified through K&N’s in-house ISO 5011 compliant filtration testing lab, which ensures that your K&N filter provides high airflow without sacrificing engine protection.

The free-flowing K&N air intake tube significantly reduces restriction to incoming airflow over the stock tract, as well as calms power-robbing turbulence. Air passes through an aerodynamically-verified polished aluminum intake tube directly into the engine’s throttle body. The intake tube accommodates the factory mass air sensor, fuel pressure hose, and crankcase vent hose.

Once you’ve installed your K&N cold air intake system, you’ve eliminated the need to buy another air filter for the life of your 2017 Chevy or GMC LP5 Duramax Diesel. The only maintenance is a simple service you can do yourself.

At intervals of up to 100,000 miles, depending on your driving conditions, use a K&N 99-5050 Air Filter Cleaning Kit to clean and re-oil your air filter. Not accounting for the time for the filter to dry completely before installation, the entire process should take less than 30 minutes.

The K&N filter is covered by the company's Million Mile Warranty

Everything required to install the kit is included in the box, including illustrated instructions

The process cleans the filter bringing it back to a premium level of performance and ready for another 100,000 miles of driving. Your one K&N air filter is designed to last for the lifetime of your vehicle, which K&N guarantees will perform for up to 10 years or 1,000,000 miles without requiring replacement. For full details visit the K&N 10-Year/Million Mile Limited Warranty.

You can order the filter simply by clicking on the part number 33-3064 as well as order the Air Filter Cleaning Kit 99-5050.

To find additional K&N upgrades for cars, trucks, scooters, ATVs, motorcycles, watercraft, motorhomes, or almost anything with an engine, use the K&N Search by Vehicle tool.

K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 90 countries.

K&N sells over 5,000 products designed for cars, trucks, motorcycles, stationary engines, and industrial applications. From their 10-Year/Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%.

2017 GMC SIERRA 3500 HD 6.6L V8 Diesel Engine - All Models
2017 GMC SIERRA 2500 HD 6.6L V8 Diesel Engine - All Models
2017 CHEVROLET SILVERADO 3500 HD 6.6L V8 Diesel Engine - All Models
2017 CHEVROLET SILVERADO 2500 HD 6.6L V8 Diesel Engine - All Models

Goldwing, Sportster and Bagger Win the K&N Classes at the Dallas International Motorcycle Show (IMS)

J&P Cycles Ultimate Builder Custom Bike Show logo

K&N sponsors three of the classes of the prestigious J&P Cycles Ultimate Builder Custom Bike Show

The travelling three-ring moto-circus known as the Progressive International Motorcycle Show (IMS) made its southernmost stop in early February. The Lone Star State hosted the two-wheeled celebration at the Kay Bailey Hutchison Convention Center in Dallas, Texas.

At each stop of the IMS, K&N sponsors two of the most prestigious classes and a special category in the massive J&P Cycles Ultimate Builder Custom Bike Show. Those prizes are awarded in the Modified Harley Class, the Modified Retro Class, and the aptly named K&N Performer Award. More then 60 customs were rolled onto the J&P red carpet in Dallas.

The bikes that won the K&N prizes in the "Big D" are great representations of the magic that talented builders can create. Here is a closer look.

Modified Harley Class

Harley-Davidson® baggers made up a larger percentage of the entrants in Dallas than they have at any of the previous stops of the IMS. With that strong showing of the breed, it is little wonder that a bagger won the hotly contested Mod Harley class.

2006 Harley-Davidson Road Glide won the Modified Harley class of the Dallas IMS

A great battleship-themed bagger won the Modified Harley class of the Dallas IMS

Misfit Industries sailed away with the Mod Harley class with a battle grey bagger named USS79. The Navy-themed 2006 Harley-Davidson Road Glide is long and low and cuts a wide berth. The heavily stylized bodywork is tamed with a monochromatic paint theme. The total aesthetic is clean and eye-catching.

The USS79 cruises behind a tall 26-inch custom wheel that carries a theme-appropriate propeller look. A low fairing sits above that big hoop with clean, ship-like curves. The bike’s lines flow down a beautiful, sweeping tank through a color-matched seat to bags that create a fantastic wake behind the custom Glide.

We are happy to say that the USS79 bagger breathes through a K&N filter. The custom exhaust ends in a wide-mouthed bend that conjures visions of a battle ship’s smoke stacks.

Modified Retro Class

1967 Shovelhead chopper at the Dallas Progressive International Motorcycle Show

A classic 1967 Shovelhead chopper rode away with the Mod Retro Class of the J&P competition

On the other end of the paint spectrum from the Mod Harley winner, the bike that captured the Mod Retro class is an exercise in excess. Tom Miller’s 1967 XLCH Harley Sportster chopper is wrapped in a fantastic multi-hued motif that carries retro hot rod flames in yellow, orange, and purple. Where this isn’t paint on the build, there is chrome – and lots of it.

Miller’s custom is a classic chopper that is a fitting winner for a retro award. The stretched and raked telescopic forks rise up from a gleaming, chromed front wheel. The front end is capped with more chrome in the headlight, controls, and even the grips.

The bike falls precipitously from the triple tree through the stretched, color matched frame. The hardtail rear end cradles a chromed rim and classic rubber capped with a shorty rear fender.

1980 Honda Goldwing at the Dallas Progressive International Motorcycle Show

The K&N Performer Award went to an innovative 1980 Honda Goldwing

The V-twin power-plant pumps through orange and black coated jugs. The rest of the Shovelhead is chromed perfectly. The Sportster carries twin classic straight pipe headers and features a chromed oil tank.

K&N Performer Award

Richard Becker of the Texas-based House of Tandems is one of those builders who has found a motorcycle marquee that he likes, and sticks with it. Becker’s donor bike of choice is, however, a bit of a departure from the norm. The guy sees the beauty in the venerable Honda Goldwing.

Becker has used both 1976 and 1983 incarnations of the Japanese tourer in two fantastic prior builds. The Wing that Becker brought to the Dallad IMS splits the difference. His 1980 Honda custom won the K&N Performer Award.

The striking green Goldwing features very cool retro springer forks embracing a spoked front rim. Spooned on that chrome wheel is fat, classic rubber. Minimalist controls and instrumentation keep the front end clean.

1980 Goldwing at the Dallas J&P Cycles Ultimate Builder Custom Bike Show

This is not your father's Honda Goldwing

Becker did a great job keeping the engine sanitary with his artful housing of the requisite radiator. The Goldwing breathes through a downdraft intake that is filled with horsepower boosting trickery. That intake is fitted with K&N filtration.

K&N congratulates the Dallas winners of the Progressive International Motorcycle Show’s J&P Cycles Ultimate Builder competition. We are proud to support the innovators and creative forces in the custom bike world.

The last two stops of the Progressive IMS will be staged in Chicago, Illinois and Washington, D.C.

Ultra-busy Snow Bike Athlete Brock Hoyer Eyes More Winter X Games Gold

K&N-sponsored snow bike athlete Brock Hoyer’s resume is impressive. 2017 was especially golden for Hoyer. He started the year by securing the X Games Snow BikeCross gold medal. He later won the Snow Bike King of the Hill title at the Jackson Hole Hill Climb World Championships. Hoyer also rode away with the Canadian Snow Bike MX Championship.

Brock Hoyer jumping in the winter X Games

Brock Hoyer is flying high in the snow bike world (photo X Games)

Hoyer honed his skills in motocross, competing in both the Canadian Arenacross and Supercross circuits. However, he has garnered his most significant success on treads and skis rather than knobby tires. At first, Hoyer saw snow bikes as a way to train for dirt bike racing, but now he is considered a snow bike pioneer as his competitive focus has shifted.

Snow biking is a visually spectacular sport, and many of Hoyer’s backcountry free-riding videos have become viral. In fact, his video shoot schedule is as busy as his competitive schedule. Balancing training, competition, performing, testing, and retaining some kind of family life is one of Hoyer’s biggest challenges.

Of all of the activities on his busy schedule, the X Games hold a special attraction for Hoyer. When he discusses the competition, it becomes clear why he wants more of the X Games gold.

Brock Hoyer discusses his busy schedule including the X Games

Hoyer's snow bike calendar is filled with races, testing, and filming

“X Games is probably one of the coolest things I’ve been to,” says Hoyer. “It’s just super cool. Everything it looks like on TV, it really is. The environment, the atmosphere, the energy – it’s pretty cool. It’s definitely game-changing.”

Hoyer knows that his success on the snow is dependent on the reliability of his snow bike, and getting the most performance to the tread.

“I believe we are on the best product, the strongest product, the fastest product,” Hoyer says. “I use Junior Jackson to build all of my motors, and he trusts K&N to get the freshest air, to get the most power to these bikes…I want to get as much power to the ground as I can.”

K&N is a proud supporter of Brock Hoyer in all of his snow bike endeavors. Learn more about K&N's line of performance filters for motorcycles and find one for your bike here.