DNA Stage 2 air box filter & cover

Designed as a High flow filter for road & race use. This S2 air box filter cover features DNA's advanced FCd(Full Contour design). A specially made laser cut supporting frame is included with the DNA filter. The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA cotton. The flow of this DNA Stage 2 air box filter cover combined with the DNA Stage 1 air filter (580980) is very high, 122.36% more than the KTM stock application. DNA S1 & S2 Fcd air filter flow: 248.60 CFM (Cubic feet per minute) @10"H2O corrected @ 25 degrees Celsius. KTM stock paper filter: 111.80 CFM (Cubic feet per minute) @10"H2O corrected @ 25 degrees Celsius.

Fits: > KTM: 2012 690 DUKE 690cc; 13-19 690 DUKE ABS 690cc; 13-17 690 DUKE R ABS 690cc