K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1

K&N adapters allow for even more air filter applications.

K&N Adaptor 57-2535 Num 350 - 21510

K&N adapters allow for even more air filter applications.

K&N 17-18 Chevrolet 2500/3500 6.6L V8 Diesel Boost Control Module - 21-3101

The Boost Control Module instructs the vehicle's ECU to increase the amount of pressure in the manifold to a higher level before releasing it through the wastegate, keeping more boost available for...

K&N Ford/GM/Dodge Throttle Control Module - 20-1000

The K&N Throttle Control Module is designed to improve throttle response and acceleration, and increases pedal sensitivity without modifying factory ECU settings. The system processes input data from...

K&N Custom Racing Air Filter - Rectangular Carbon Fiber 4in Air Box w/ 2.75in Air Horn - 100-8593

Light weight yet durable, K&N's Generation 2 Carbon Fiber Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-lightweight carbon fiber these...

K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/ Base and Hardware - Large - 100-8592

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car...

K&N Custom Racing Assembly Carbon Fiber Air Box - Large Solid Base Only - 100-8590

K&N's carbon fiber composites have an attractive cosmetic appeal, and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry. Carbon fiber composites...

K&N PreCharger Air Filter Wrap - Black - 100-8576PK

The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material...

K&N Custom Racing Assembly Carbon Fiber Air Box - Large - 100-8567

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car...

K&N Custom Racing Assembly Carbon Fiber Air Box w/o Base - Large - 100-8564

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car...

K&N Custom Racing Assembly Generation 2 Carbon Fiber Air Box - Large w/ 2.75in Air Horn - 100-8559

Light weight yet durable, K&N's Generation 2 Carbon Fiber Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-lightweight carbon fiber these...

K&N Custom Racing Assembly Generation 2 Carbon Fiber Air Box - Large w/ 2.50in Air Horn - 100-8558

Light weight yet durable, K&N's Generation 2 Carbon Fiber Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-lightweight carbon fiber these...