S&S Cycle SS170-0498 Stealth Teardrop Air Cleaner Kit Carbon Fiber for Harley-Davidson Touring 17-24/Softail 18-24Increased filter area, combined with a radiused inlet and unique S&S stinger allow smoother faster airflow for more power. The S&S Stealth air cleaner backplate is made from the same high strength, advanced, synthetic polymers used in high performance automotive intake manifolds and high end handgun bodies! This material offers superior mechanical properties, thermal stability, and chemical resistance. Designed to reduce heat transfer to the intake