S&S Cycle Mini Teardrop Stealth Air Cleaner Kit933395198 Product Description Built in stinger cone directs air smoothly into the EFI throttle body to reduce turbulence and increase flow 85% of original size for perfect proportions; all laid over the easy to install Stealth Air Cleaner system Machined openings around the rim add style and provide additional air flow Kit includes backing plate, filter and hardware 5% increase in horsepower Made in the USA