Athena 99-00 Yamaha Top End Gasket Kit 1990-morgan-4-4-base-esi9969373 Aggressive Sound: A free-flowing stainless

Aggressive Sound: A free-flowing stainless steel 22" length muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque

Premium materials ensure the snorkel withstands the toughest environments

One-Piece Heat Resistant Sealed Housing with Auxiliary Air Inlet

Measured Flow: 570 CFM @ 7" H20

Athena 99-00 Yamaha Top End Gasket Kit 1990-morgan-4-4-base-esi9969373 Aggressive Sound: A free-flowing stainlessAthena's gasket kits are entirely engineered in Italy with a strong base of internal know how. Each piece is produced following strict parameters imposed by manufacturers and the use of latest generation lasers guarantees perfect cutting quality. Athena performs surface treatments to compensate irregularities and follows material stress relieving processes to improve sealing in the most critical areas. Perfect interchangeability with the original