K&N Engineering CM-9017 High-Flow Air Filter exhaust-slip-on-silencers Bore - Standard: 67

Bore - Standard: 67

1998-2006 Harley Davidson FLSTF Fat Boy

2003 KTM 450 SX-F

PowerPort crossover makes for significant power increase from just off idle to redline

K&N Engineering CM-9017 High-Flow Air Filter exhaust-slip-on-silencers Bore - Standard: 67High flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. Designed to provide increased performance. Pleated media provides a large filtration area offering long service intervals. Multi layers of woven cotton gauze