Teardrop Air Cleaner KitIncludes a S&S cover, backing plate and high-quality filter element and hardware kit Available for most OEM carburetors and S&S performance intake systems Increase horsepower with no other changes Made in the USA Installation of an S&S air cleaner may require re-jetting or engine re-tuning. However tuning with OEM emissions standards is required to maintain E.O. validity.