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Sportster '88-21

29 products

Shop the range of aftermarket motorcycle fuel & air system products at Pro Class Custom Parts. 

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Regular price $456.99
Sale price $456.99
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Features & Benefits:- * Fits XL Sportster 2007-2021 with Stock EFI. * S&S Stealth Air Cleaner Kit Without Cover * Increased filter area, combined with an air horn like radiused inlet &...
Regular price $814.99
Sale price $814.99
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Sporting a sleek and minimalistic design, the VO2 Cage Fighter is designed for maximum air flow to your engine using a high capacity air filter and the new ‘patent pending’ Force™ Velocity Stack t...
Regular price $493.99
Sale price $493.99
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Features & Benefits:- * Black Backing Plate. * Includes Red pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires OEM Type Round Cover. * P...
Regular price $833.99
Sale price $833.99
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Features & Benefits:- * Compact performance air cleaner featuring 4.5″ tapered air filter design and angled billet top for increased performace and leg clearance * 22° angle CNC machined bille...
Regular price $221.99
Sale price $221.99
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* K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. * These filters are washable and reusable and are custom designed to...
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Regular price $1,086.99
Sale price $1,086.99
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Features & Benefits:- * USA Made High Flow Air Filter Element is water Resistant eliminating the need for a Rain Sock. * Synthetic Filter material never needs oil, just wash and re-use for lon...
Regular price $892.99
Sale price $892.99
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Features & Benefits:- * The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equa...
Regular price $592.99
Sale price $592.99
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Features & Benefits:- * The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equa...
Regular price $891.99
Sale price $891.99
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Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the U...
Regular price $891.99
Sale price $891.99
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Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the U...
Regular price $891.99
Sale price $891.99
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* 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the USA by S&S Cycle
Regular price $890.99
Sale price $890.99
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Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. * Fuel Mixture Calibration is Advised.
Regular price $894.99
Sale price $894.99
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Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Replacement Air Filter Element # KN-E-3226 * Rain Sock Not Applicable. * Fuel Mixture Calibration is Advised. Proudly Made in ...
Regular price $841.99
Sale price $841.99
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The Monster Sucker is a 90° performance air cleaner that features a massive forward facing filter design and our patented hidden breather backing technology for a reliable intake that enhances the...
Regular price $841.99
Sale price $841.99
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The Monster Sucker is a 90° performance air cleaner that features a massive forward facing filter design and our patented hidden breather backing technology for a reliable intake that enhances the...