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

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 filters provide ample air flow for your racing needs...

JLT 15-19 Ford Mustang GT (w/Paxton/Vortech Supercharger) Air Box w/Red Filter - Tune Req

JLT 15-19 Ford Mustang GT (w/Paxton/Vortech Supercharger) Air Box w/Red Filter - Tune Req

K&N 06-09 & 12-13 Honda TRX450ER / 06-09 TRX450R Powerlid Air Box Cover

The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow filter lid. The Powerlid works in conjunction with a K&N replacement air filter (sold separately) to provide excellent filtration with less...

K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - Large

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 Style air box provides ample air flow for your racing...

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

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 have taken the method traditionally associated with...