
The most substantial performance gain you can achieve while spending the least amount of money is by replacing your stock air filter with a high performance filter. And the best in the business is K&N. These original equipment replacement air filters compliment Tailgunner® Exhaust systems to provide the best performance in the business. They are designed to increase horsepower and acceleration while providing excellent air filtration and engine protection. They fit into your existing factory air box. Their drop-in design means adding performance is simple and economical. You simply remove the disposable, stock air filter and replace it with an additional 1-4 K&N horse power.
PRODUCT: H-D TWIN CAM MODELS 1999-2008
ITEM NUMBER: HD-1499 |

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(Click here for specific model applications) K&N original equipment replacement air filters generally add 1-4 horsepower. These high-flow replacement air filter elements for Harley Davidson Twin Cam models 1999-2008 are the perfect compliment for Tailgunner® Exhaust systems. Made of pleated gauze and designed to be washed and reused hundreds of times. They fit original equipment air boxes and aftermarket air cleaners. Pre-oiled and ready to install. Made in the USA.
H-D TWIN CAM MODELS 1999-2008 High Air Flow with Excellent Filtration. Designed to Increase Horsepower and Acceleration.
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PRODUCT: H-D TWIN CAM TOURING MODELS 2008
ITEM NUMBER: HD-1508 |

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(Click here for specific model applications) K&N original equipment replacement air filters generally add 1-4 horsepower. These high-flow replacement air filter elements for 2008 Harley Davidson Twin Cam Touring models are the perfect compliment for Tailgunner® Exhaust systems. Made of pleated gauze and designed to be washed and reused hundreds of times. They fit original equipment air boxes and aftermarket air cleaners. Pre-oiled and ready to install. Made in the USA.
H-D TWIN CAM TOURING MODELS 2008 High Air Flow with Excellent Filtration. Designed to Increase Horsepower and Acceleration.
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PRODUCT: H-D SPORTSTER 2004-2008
ITEM NUMBER: HD-8834 |

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(Click here for specific model applications) K&N original equipment replacement air filters generally add 1-4 horsepower. These high-flow replacement air filter elements for Harley Davidson Twin Cam models 1999-2008 are the perfect compliment for Tailgunner® Exhaust systems. Made of pleated gauze and designed to be washed and reused hundreds of times. They fit original equipment air boxes and aftermarket air cleaners. Pre-oiled and ready to install. Made in the USA.
H-D SPORTSTER 2004-2008 High Air Flow with Excellent Filtration. Designed to Increase Horsepower and Acceleration.
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