The regular Evo Big Twin filter works well for 91-98 Dyna as well

but also etches the surface ensuring good adhesion for the sealer

01-05 KZ 1000 Police 1000cc

73-75 XT - 500cc

dna ov series pod filter id 38mm 2OM The regular Evo Big TwinDNA Air Filter with high airflow and excellent filtration capabilities. Perfect for the motorcycle builder who is looking for both performance and good looks. Well suited for Cafe Racers or other custom motorcycles. Inner diameter: 38mm Length: 87mm Outer diameter (Largest): 100x75mm Outer diameter (Smallest): 75x50mm Flange: 16mm Length and flange measurements should be added in order to calculate the total length of the filter.