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K&N RP-4970 - Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height - CSPRacing
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K&N® RU-1030 - Power Sport Round Straight Red Air Filter (1.75" F x 3.5" OD x 4.5" H) - POWERSPORTSiD.com
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K&N Universal Air Filter Round Tapered (6in. Flange / 7-1/2in. Base / 7in. Top OD / 11in. Height) : K&N Engineering
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