{"product_id":"k-n-engineering-kn-1388-high-flow-replacement-air-filter-for-1988-1990-harley-davidson-sportster","title":"K\u0026N Engineering KN-1388 High-Flow Replacement Air Filter for 1988-1990 Harley-Davidson Sportster","description":"The K\u0026amp;N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride.\nThe K\u0026amp;N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection.\nAssociated products: 99-5000 Filter Care Service Kit Aerosol\n\u003cul\u003e\n  \u003cli\u003ePRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).\u003c\/li\u003e\n  \u003cli\u003ePleated media provides a large filtration area offering long service intervals\u003c\/li\u003e\n  \u003cli\u003eMultiple layers of woven cotton gauze media offers excellent filtration\u003c\/li\u003e\n  \u003cli\u003eDesigned to provide increased horsepower and torque\u003c\/li\u003e\n  \u003cli\u003eWashable \u0026amp; reusable, pre-oiled and ready to ride\u003c\/li\u003e\n  \u003cli\u003eApplication specific base seal and sealing bead\u003c\/li\u003e\n  \u003cli\u003eNo-Hassle Lifetime Limited Warranty\u003c\/li\u003e\n  \u003cli\u003eMade in the USA for over 40 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;N Engineering KN-1388 High-Flow Replacement Air Filter is designed for select 1988-1990 Harley-Davidson Sportster motorcycles. It helps increase airflow to support improved horsepower, throttle response, and acceleration while providing dependable engine protection. The washable, reusable design offers a durable alternative to disposable replacement filters and is pre-oiled for convenient installation.\u003c\/p\u003e\n\n\u003cp\u003eMultiple layers of woven cotton gauze media provide effective filtration, while the pleated construction increases the available filtration area to support extended service intervals. An application-specific base seal and sealing bead help provide a precision OEM-style fit for straightforward installation where applicable. Built in the USA, the KN-1388 is backed by K\u0026amp;N's No-Hassle Lifetime Limited Warranty. For maintenance, the K\u0026amp;N 99-5000 Filter Care Service Kit Aerosol is an associated product.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBrand: K\u0026amp;N Engineering\u003c\/li\u003e\n  \u003cli\u003ePart Number: KN-1388\u003c\/li\u003e\n  \u003cli\u003eFilter Type: High-flow replacement motorcycle air filter\u003c\/li\u003e\n  \u003cli\u003eFilter Media: Multiple layers of oiled cotton gauze\u003c\/li\u003e\n  \u003cli\u003eConstruction: Pleated, washable, and reusable design\u003c\/li\u003e\n  \u003cli\u003eFitment: Select 1988-1990 Harley-Davidson Sportster models\u003c\/li\u003e\n  \u003cli\u003eWarranty: No-Hassle Lifetime Limited Warranty\u003c\/li\u003e\n  \u003cli\u003eOrigin: Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One K\u0026amp;N Engineering KN-1388 high-flow replacement air filter. The filter arrives pre-oiled and ready for installation. Always verify motorcycle application and follow the manufacturer's installation and service instructions before use. This product may require a California Air Resources Board compliance acknowledgment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow performance: Designed to increase airflow for improved horsepower, throttle response, and acceleration.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable: Can be cleaned and serviced for long-lasting use instead of repeatedly replacing disposable filters.\u003c\/li\u003e\n\u003cli\u003eAdvanced filtration media: Multiple layers of woven cotton gauze help provide effective engine protection.\u003c\/li\u003e\n\u003cli\u003ePrecision OEM-style fit: Application-specific seals and sealing beads support easy installation and a secure fit where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1988 Harley Davidson XLH1200 Base\u003cbr\u003e\n1988 Harley Davidson XLH883 Base\u003cbr\u003e\n1988 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1988 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1989 Harley Davidson XLH1200 Base\u003cbr\u003e\n1989 Harley Davidson XLH883 Base\u003cbr\u003e\n1989 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1989 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1990 Harley Davidson XLH1200 Base\u003cbr\u003e\n1990 Harley Davidson XLH883 Base\u003cbr\u003e\n1990 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1990 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1991 Harley Davidson XLH1200 Base\u003cbr\u003e\n1991 Harley Davidson XLH883 Base\u003cbr\u003e\n1991 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1991 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1992 Harley Davidson XLH1200 Base\u003cbr\u003e\n1992 Harley Davidson XLH883 Base\u003cbr\u003e\n1992 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1992 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1993 Harley Davidson XLH1200 Base\u003cbr\u003e\n1993 Harley Davidson XLH883 Base\u003cbr\u003e\n1993 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1993 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1994 Harley Davidson XLH1200 Base\u003cbr\u003e\n1994 Harley Davidson XLH883 Base\u003cbr\u003e\n1994 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1994 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1995 Harley Davidson XLH1200 Base\u003cbr\u003e\n1995 Harley Davidson XLH883 Base\u003cbr\u003e\n1995 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1995 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1996 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n1996 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n1996 Harley Davidson XLH1200 Base\u003cbr\u003e\n1996 Harley Davidson XLH883 Base\u003cbr\u003e\n1996 Harley Davidson XLH883DLX Sportster 883 Deluxe Base\u003cbr\u003e\n1996 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1997 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n1997 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n1997 Harley Davidson XLH1200 Base\u003cbr\u003e\n1997 Harley Davidson XLH883 Base\u003cbr\u003e\n1997 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1998 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n1998 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n1998 Harley Davidson XLH1200 Base\u003cbr\u003e\n1998 Harley Davidson XLH883 Base\u003cbr\u003e\n1998 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n1999 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n1999 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n1999 Harley Davidson XLH1200 Base\u003cbr\u003e\n1999 Harley Davidson XLH883 Base\u003cbr\u003e\n1999 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n2000 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n2000 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n2000 Harley Davidson XLH1200 Base\u003cbr\u003e\n2000 Harley Davidson XLH883 Base\u003cbr\u003e\n2000 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n2001 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n2001 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n2001 Harley Davidson XLH1200 Base\u003cbr\u003e\n2001 Harley Davidson XLH883 Base\u003cbr\u003e\n2001 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n2002 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n2002 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n2002 Harley Davidson XL883C Sportster 883 Custom Base\u003cbr\u003e\n2002 Harley Davidson XL883R Sportster 883 Roadster Base\u003cbr\u003e\n2002 Harley Davidson XLH1200 Base\u003cbr\u003e\n2002 Harley Davidson XLH883 Base\u003cbr\u003e\n2002 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cbr\u003e\n2003 Harley Davidson XL1200C Sportster 1200 Custom Base\u003cbr\u003e\n2003 Harley Davidson XL1200S Sportster 1200 Sport Base\u003cbr\u003e\n2003 Harley Davidson XL883C Sportster 883 Custom Base\u003cbr\u003e\n2003 Harley Davidson XL883R Sportster 883 Roadster Base\u003cbr\u003e\n2003 Harley Davidson XLH1200 Base\u003cbr\u003e\n2003 Harley Davidson XLH883 Base\u003cbr\u003e\n2003 Harley Davidson XLH883HUG Sportster 883 Hugger Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: 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