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While Dennis worked for K&N, he took part in many powersports related trade shows and events

The cast of famous riders for whom Mahan was a master performance tuner reads like a “who’s who” among racing champions. Motorcycles tuned by Mahan have won championships and set records in dirt track, road race, motocross, and land-speed over the decades of his illustrious career. He cut his racing teeth in the pits of the dirt oval where he tuned flat track bikes. AMA Motorcycle Hall of Famer Gary Nixon rode a Mahan-tuned BSA Gold Star to his first professional victory in 1961. Starting in the late 1960s, Mahan was the mechanical mastermind behind Yamaha’s factory team efforts in dirt track, road race, motocross, and snowmobiling.

Former Yamaha factory racer and current Simi Valley Mayor Pro-Tem, Keith Mashburn found out firsthand about Mahan’s fair but firm command of the Yamaha racing team. “I met Dennis early in 1968 when Yamaha decided to sponsor me in my novice year in flat track,” Mashburn said, “The day I met Dennis I went down to Yamaha, saw the bike he had built and met him at the same time. I looked at the bike and was very happy with what I saw. I did tell Dennis that I wanted a pillion pad added to the rear fender of the bike. Dennis advised me that ‘whoever’ rides this bike won’t be using a pillion pad. I thought ‘crap,’ I’m the contracted rider and he will do what I ask for. It was a very short conversation and quickly I learned I would be following his directions.” Mashburn was a quick study and found how beneficial Mahan’s mentorship would be. “The first race night at Ascot, I realized I didn’t have just a builder/tuner, I had a coach that was going to make me a success if I would listen. Dennis and I won more races in 1968 than anyone could have imagined.”

Mahan was a force behind Keith Mashburn's racing success

Mahan’s legacy of achieving success with so many iconic racers is legendary, and it did not happen by mere chance. In a Hog Radio interview, Mahan made it clear that a personal connection and trust is vital to the tuner/racer relationship. “You are not going to be a winner with just a rider or a winner with just a tuner. The tuner and the rider have to be close…off and on the racetrack.” He continued that many of those relationships are ongoing in his life. “I was with Wayne Rainey,” Mahan said, “Wayne and I are still friends today. He and I talk on the computer. I still go to races that Wayne is involved in. If you don’t have that personal contact, that personal friendship, generally that team is not going to be successful.”

The beautiful 1979 KX250 Mahan built for Wayne Rainey

K&N is honored to have been a part of Dennis Mahan’s life work. Congratulations Dennis on your AMA Hall of Fame induction. We can think of no one more worthy. Thank you for your invaluable contributions to K&N, and to motorcycling as a whole.

Increase the performance of your Harley V-Twin with a K&N 57-1122P performance intake system

The Harley V-Twin in your bike, makes power just like the first Harley did back in 1903: gas mixes with air inside the cylinders, then a spark plug triggers the detonation. If you add more oxygen to the mix, the explosion will be a lot stronger, which will send more energy (horsepower/torque) through the crankshaft and out to the back wheel. To increase the oxygen level, you need to get more cold air into the engine. The stock Harley intake utilizes a thick paper air filter, hidden behind a decorative chrome cover. This forces the air through a small opening behind the cover then through all of the dirt that has collected on the surface of the filter. By the time it reaches the engine, the air has become warm and turbulent, which significantly reduces its oxygen content and potency. The K&N 57-1122P performance intake on the other hand, virtually eliminates these airflow restrictions, so your V-Twin can live up to its potential.

The K&N 57-1122P performance intake increases Twin Cam torque and sharpens throttle response

Thanks to this innovative design, the 50-state legal K&N 57-1122P cold air intake provides faster throttle response and an even better engine sound. Dyno testing on a 2008 Harley Electra Glide Classic 96ci also revealed an estimated increase of 12.92 horsepower and 14.71 lb-ft of torque.

With great looks and even better performance, the K&N 57-1122P performance intake system can give your hawg some real grunt. It's also backed by the K&N 10-Year/Million Mile Limited Warranty, so you can rest assured that it will perform for a very long time.

The 57-1122P fits the following models:

2014 HARLEY DAVIDSON FLHXS STREET GLIDE SPECIAL 103 CI - Exc. Lower Fairings
2014 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - Exc. Lower Fairings
2013 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 103 CI - Exc. Lower Fairings
2013 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - Exc. Lower Fairings
2013 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 103 CI - Exc. Lower Fairings
2013 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 103 CI - Exc. Lower Fairings
2013 HARLEY DAVIDSON FLHR ROAD KING 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHR ROAD KING 103 CI - Exc. Lower Fairings
2012 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 96 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 103 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHR ROAD KING 96 CI - Exc. Lower Fairings
2011 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLTR ROAD GLIDE 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHT ELECTRA GLIDE STANDARD 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHR ROAD KING 96 CI - Exc. Lower Fairings
2010 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLTR ROAD GLIDE 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHT ELECTRA GLIDE STANDARD 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHR ROAD KING 96 CI - Exc. Lower Fairings
2009 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLTR ROAD GLIDE 96 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHT ELECTRA GLIDE STANDARD 96 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHRSE4 SCREAMIN EAGLE ROAD KING 110 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - Exc. Lower Fairings
2008 HARLEY DAVIDSON FLHR ROAD KING 96 CI - Exc. Lower Fairings

Never forget your roots and be thankful of your sponsors, said team owner DuClos.

Cycle Trader/Rock River Yamaha has played a part in shaping the careers of riders careers like Weston Peick, Aaron Plessinger, Chase Sexton, Sebastian Tortelli, Alex Martin, Ben Lamay, Malcolm Stewart, Christina Craig, Colt Nichols, Vince Friese, Robbie Reynard, Bradley Taft, Tommy Hahn, Michael Byrne, Benny Bloss, Luke Renzland, Cole Martinez, and Lorenzo Locrucio to name a few, DuClos said.

Part of being professional is interacting with the fans.

“In Supercross, Colt Nichols put us up on the box numerous times, and Luke Renzland made his way to the front of the pack for us this outdoor season. All in all, the team is moving in a positive direction and that is all I can ask for.”

DuClos added that like most teams, they are always striving to improve. The team thrives on taking what they have learned and sharing with those coming through the ranks to build the next winner. With a proven track record in recent years, the formula will always change, always look for the next level, and the team will continue to build on their already proven platform, he said.

With 2016 winding down, it is time compete in the final few events of the year and prepare for the 2017 season. For 2017, the team has two rookies coming on board in Bradley Taft and Lorenzo Locrucio. Those two will be mentored by returning captain Tommy Hahn. DuClos expects amazing things out of the team.

K&N air filters work very well for motocross bikes.

Supercross track, so watch out,” he said.

It used to be that there was a defined “off-season” that began after the last outdoor national, but that isn’t the case anymore. DuClos said that before the team finished the last outdoor race they were already testing Supercross bikes and preparing for the 2017 season. This past weekend’s Monster Energy Cup event was the last competitive event where the team was really looking at how their setup is for Supercross the next season.

“The guys all live out at our facility in California to be close to the Yamaha test track, and click off laps making changes along the way to hit it hard at Anaheim One,” he said.

The K&N KN-140 is K&N's oil filter for the YZ450F.

“The diverse product line from K&N covers all aspects of everything with a motor, and we are happy to have them as a team sponsor,” DuClos said. “I want to thank everyone that has been a part of our program. From the riders, to the sponsors and all of our crew. This has been an amazing journey for myself and Rock River Power Sports and it has just begun.”

Rock River is, and always has been devoted to the amateur program, DuClos said. He sees the program as a stepping stone, and is happy with that. He wants the riders he supports to succeed under the team tent, under the team’s direction, and land a career in the industry however they choose.

“Never forget your roots; never forget who helped your success,” DuClos said. “Thank you to everyone who has helped mine.”

Davi Haagsma (center) collects the Pro SXS Championship and a nice race check

DAVID HAAGSMA

While K&N’s Davi Haagsma has won championships in nearly all of the SXS and ATV classes, one has remained just out of his reach. That is until now. Haagsma captured his first Pro SXS overall championship trophy with his win in Primm. It could not have come in tighter or more dramatic fashion as the round 10 win gave Haagma the season championship by a single point.

Davi Haagsma roosts on his ATV with the Buffalo Bill's roller coaster as a backdrop

KATIE VERNOLA

In the Women’s Class, Katie Vernola was laser-focused in her pursuit of her first career victory. The Nevada desert proved to be just the place to secure that racing goal. The K&N-sponsored racer outpaced the other podium finishers, Amanda Sorenson and Sierra Romo. Romo’s third-place finish was good enough to secure her the championship.

Haagsma's SXS will carry the #1 plate next year, just like his ATV did this season

K&N’s support of racing in all disciplines is legendary. We are proud to sponsor competitors in a full range of powersport racing categories. We congratulate Davi, Katie, and the hundreds of other racers who proudly display the K&N decal!

To find the K&N filter that will help your car, truck, motorcycle, ATV, or UTV perform like a champion, go to K&N's easy-to-navigate application search tool.

Pro SXS 2016 Results

1 #422 DAVID HAAGSMA 135 Points

2 #44 MICKEY THOMAS 134 Points

3 #22 CODY BRADBURY 123 Points

4 #1x RYAN PIPLIC 121 Points

5 #549 BEAU BARON 116 Points

6 #93 MATTHEW HANCOCK 114 Points

7 #457 JEFFREY OBERING 101 Points

8 #55 TIM WYATT 100 Points

9 #58 RYAN HOLZ 96 Points

10 #312 KEITH JOHNSON 91 Points

Katie V's truck proudly displays her K&N support

Katie Vernola saved her best for last with the win in Primm

Rain washed out qualifying for the NASCAR K&N Pro Series West race at All American Speedway

In his third race with Bill McAnally Racing at Kern County Raceway in California, Gilliland dropped back early. He was letting cars pass him in the opening laps of the race.

McAnally got on the radio and asked Gilliland if anything was wrong with the car. Gilliland responded no. His car was fine. He told McAnally the other drivers were burning up their equipment too soon. He was going to wait to move up later in the race, when he knew his car would perform better than the others.

“Here’s a 16-year-old kid telling me these veteran drivers he’s letting pass by are using their stuff up too early,” McAnally said. “He wound up winning the race.”

Todd Gilliland celebrates after winning the 2016 NASCAR K&N Pro Series West championship

“That was awesome,” Gilliland said. “We felt like we had a shot at rookie of the year at the beginning of the season. To be able to get both in one season is awesome. Everyone at Bill McAnally Racing, this is all them. They’ve worked super hard, they’ve given up so much this season. For it to all pay off is awesome.”

Gilliand won the seventh K&N Pro Series West title for Bill McAnally Racing. He joins Eric Holmes, Brendan Gaughan, Sean Woodside, and Chris Eggleston as championship drivers for Bill McAnally Racing. Holmes won three championships and Gaughan won two. Eggleston won the K&N Pro Series West championship in 2015, giving Bill McAnally Racing back-to-back titles.

“Todd can go on and win more championships,” McAnally said. “He knows what he needs in a race car.”

Todd Gilliland won six races in his rookie season and won the 2016 championship

“We had an amazing season,” Gilliland said. “To have six wins out of 14 races in my rookie year is amazing, better than anything we ever expected. Definitely couldn’t be happier with the night.”

Gilliland is the first driver to win the K&N Pro Series West championship and rookie of the year in the same year since Scott Lynch in 2003. Lance Hooper won the championship and rookie of the year in 1996. Gilliland, Lynch, and Hooper are the only drivers to win both titles in the same year.

Gilliland added to his family’s NASCAR legacy. His father, NASCAR Sprint Cup Series driver David Gilliland, won the K&N Pro Series West rookie of the year in 2004. His grandfather Butch Gilliland won the series championship in 1997.

Todd Gilliland, right, and his father, NASCAR Sprint Cup Series driver David Gilliland

Gilliland is the youngest driver to win a NASCAR national or touring championship at 16 years, 5 months. Cayden Lapcevich won the NASCAR Pinty’s Series championship in September when he was 16 years, 10 months, 16 days. NASCAR Sprint Cup Series driver Joey Logano won the NASCAR K&N Pro Series East championship in 2007 when he was 17 years, 3 months, 28 days.

“It’s great to have my name added to such a big list of drivers, like Chris Eggleston and everyone that won the championship out here,” Todd Gilliland said. “Hopefully we can just carry this momentum to the rest of the season and to the future. Just another great thing to add to my resume.”