custom installation with no modifications to factory hardware
specifically tuned primary lengths maximizes scavenging and increases torque throughout the powerband
Compatible with both Pre-LCI and LCI models
Dyno Proven gains of up to 11 hp and 12 lb-ft
Four programmable buttons let you instantly access presets
K&N Replacement Industrial Air Filter for Bobcat / Case Intl. / Caterpillar / Hitachi / John Deere - E-4961 fits_2005-2007`Porsche`Boxster custom installation with no modificationsThe K&N E 4961 Air Filter is an oil free, synthetic direct replacement filter for select Caterpillar, Yazoo, Yanmar, Woods, Volvo, Vermeer, Toro, Thomas, John Deere models and more. It can be used in hundreds of applications. This air filter is intended specifically for small engine and light industrial applications. K&N air filters provide high air flow while maintaining excellent filtration. The reduced restriction allows your engine to breathe more