BOLD MAGENTA part numbers are new for 2023 FUEL/AIR SYSTEMS PARTS-UNLIMITED.COM ATV/UTV | 2023 CLAMP-ON AIR FILTERS • Clamps directly to the carburetor intake • Increases airflow to engine to help boost performance • Requires removal of the stock airbox and stock air filter element NOTE: May not be legal for street use. FITS MODEL FILTER STYLE FLANGE POSITION PART # SUG. RETAIL HONDA ATC90 70-78 Tapered 40° angle R-1100 $63.99 ATC110 82 Tapered 40° angle R-1100 63.99 ATC250R 82 Round 17° angle RU-178 76.99 FITS MODEL FILTER STYLE FLANGE POSITION PART # SUG. RETAIL YAMAHA YFZ350 87-05 Round Centered RU-02101 $63.99 1 Two required. UNIVERSAL CLAMP-ON AIR FILTERS • K&N universal air filters come in three styles – round straight, oval tapered and round tapered • All clamp directly to the carburetor throat, replacing the stock airbox and filter element • Match the OD of your carb throat with the ID of the filter (given in inches and millimeters) UNIVERSAL OVAL TYPE FLANGE ID OVAL. DIM. LENGTH FLANGE POSITION PART # SUG. RETAIL 21/8” 3” x 4” 5” Offset RU-2750 $70.99 FLANGE ID OVAL. DIM. LENGTH FLANGE POSITION PART # SUG. RETAIL 23/8” 33/4” x 61/4” 63/4” Dual flanged 1011-0495 $95.99 UNIVERSAL ROUND STRAIGHT TYPE OVERALL DIMENSIONS LENGTH FLANGE POSITION PART # SUG. RETAIL 11/16” ID (43MM) 3” 4” Centered RU-20 $95.99 3” 5” Centered RU-0210 63.99 13/4” ID (44MM) 31/2” 5” Centered RU-36 102.99 17/8” ID (48MM) 3” 4” Centered RU-40 76.99 3” 4” Angled 10° RU-128 63.99 21/16” ID (52MM) 31/2” 4” Centered RU-50 95.99 31/2” 5” Angled 171/2° RU-178 76.99 21/8” ID (54MM) 31/2” 4” Angled 5° RB-50 70.99 21/4” ID (57MM) 31/2” 4” Centered RU-60 63.99 31/2” 5” Centered RU-61 95.99 31/2” 6” Centered RU-62 70.99 31/2” 6” Angled 10° RU-109 95.99 31/2” 4” Angled 20° RU-170 95.99 31/2” 5” Angled 20° RU-171 95.99 31/2” 6” Angled 20° RU-172 70.99 51/2” 21/2” Offset RU-65 89.82 27/16” ID (62MM) 31/2” 4” Centered RU-80 63.99 31/2” 5” Centered RU-81 63.99 OVERALL DIMENSIONS LENGTH FLANGE POSITION PART # SUG. RETAIL 27/16” ID (62MM) (CONT) 31/2” 6” Centered RU-82 $70.99 33/4” 4” Angled 20°/2” lg. RU-175 63.99 33/4” 5” Angled 20°/2” lg. RU-176 70.99 33/4” 6” Angled 20°/2” lg. RU-177 63.99 21/2” ID (63.5MM) 31/2” 4” Angled 5° RB-70 63.99 31/2” 5” Angled 5° RB-71 59.99 31/2” 5” Centered 1011-1583 63.99 31/2” 6” Angled 5° RB-72 95.99 31/2” 6” Centered 1011-0787 50.99 23/4” ID (70MM) 4” 5” Angled 10° RU-146 95.99 4” 6” Angled 10° RU-147 70.99 4” 7” Angled 10° RU-148 95.99 211/16” ID (68MM) 41/2” 4” Centered RU-90 70.99 27/8” ID (73MM) 4” 6” Centered RU-162 63.99 3” ID (76MM) 41/2” 4” Angled 5° RB-0900 63.99 41/2” 5” Angled 5° RB-0910 63.99 5” 5” Centered RU-2430 82.99 UNIVERSAL ROUND TAPERED TYPE MOUNTING FLANGE ID END CAP SIZE FILTER LENGTH FLANGE POSITION PART # SUG. RETAIL 11/8” (29mm) 2” x 21/4” 21/2” Centered RC-2540 $70.99 13/8” (35mm) 2” x 21/2” 21/4” Centered RC-79 50.99 19/16” (40mm) 2” x 3” 3” Centered RC-231 76.99 111/16” (43mm) 2” x 3” 23/4” Centered RC-107 76.99 13/16” (46mm) 2” x 3” 3” Centered RC-232 95.99 17/8” (48mm) 2” x 3” 3” Centered RC-109 76.99 17/8” (48mm) 2” x 3” 31/16” Angled 10° RC-129 89.82 MOUNTING FLANGE ID END CAP SIZE FILTER LENGTH FLANGE POSITION PART # SUG. RETAIL 15/16” (49mm) 2” x 3” 3” Centered RC-106 $50.99 21/16” (52.5mm) 2” x 31/2” 4” Centered RC-120 63.99 21/8” (55mm) 2” x 3” 3” Centered RC-233 95.99 21/4” (57mm) 2” x 31/2” 4” Centered RC-125 76.99 41/2” (114mm) 41/2” x 57/8” 6” Centered 1011-1053 82.99 23/4” (70mm) 31/2” x 5.03” 51/2” Centered 1011-2003 114.99 R-1100 RU-0210 1011-2003 RU-177 RU-2750 1107 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGES 4-5 FOR IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS.
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