K & N High-Flow Air Filter - Yamaha YA-2088 Suzuki GSX-R 600 2011 this solution protects the muffler

this solution protects the muffler and reduces overheating

VN 1500/1600 Vulcan Classic/Nomad/Drifter (1998-2008)

PCV-Pti gives you the ability to modify your fuel curve based off a pressure (boost) table and/or temperature table

Consult a professional for complex setups

ZN1300 A Voyager (1983–1988)

K & N High-Flow Air Filter - Yamaha YA-2088 Suzuki GSX-R 600 2011 this solution protects the mufflerHigh Flow Air Filter Yamaha Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit, Fuel management modifications are not required for increased performance, Pleated media provides a large filtration area offering long service intervals, Washable and reusable, pre oiled and ready to ride, Designed to provide increased performance, Made in the USA