filters were designed from the very start as a premium high performance filter to meet any and all criteria demanded by today's engines. During benchmark tests Ison outperformed all tested filters in impulse, burst strength, pressure drop and filter efficiency.
 Fits: > Suzuki: 1977 GS 750; 77-78 GS 400; 77-78 GS 550 D; 77-78 GS 750 D; 1978 GS 1000H; 78-79 GS 750 E; 78-80 GS 1000 E; 78-82 GS 550 E; 1979 GS 1000 S; 79-80 GS 425; 79-86 GS 850 G; 80-81 GS 550 L; 80-81 GS 1000G; 80-82 GSX 400 E; 80-82 GSX 750 E; 80-82 GSX 1100 E; 80-87 GS 450 L; 80-88 GS 450 E; 81-82 GS 550M; 81-83 GS 650 G Katana; 81-90 GSX 400 F; 1982 GSX 1000 S Katana; 1982 GS 1100 G; 82-83 GSX 1100 S Katana; 82-87 GSX 400 ES; 1983 GSX 400T; 83-84 GSX 1100 ES; 83-85 GR 650; 83-87 GSX 550 ES; 83-89 GSX 750 ES; 1984 GSX 750S; 1984 GSX 750 S2 Katana; 84-85 GSX 750 EF; 84-85 GSX 1100 EF; 84-86 GSX 550 EF; 1985 GS 700 E; 1985 GSX 750 SE Katana; 87-88 GSX-R 400; 89-97 GSF 400 Bandit; 89-00 GS 500 E; 01-07 GS 500; 04-08 GS 500 F