{"product_id":"1990-1995-nissan-hardbody-d21-2-4l-ka24e-4wd-exhaust-header","title":"4-1 Exhaust Header Fit for 1990-1995 Nissan Hardbody D21 2.4L KA24E 4WD","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStainless steel 4-1 exhaust header designed for compatible 1990-1995 Nissan Hardbody D21 pickup trucks equipped with the 2.4L KA24E inline-4 engine and 4WD drivetrain. Featuring 1.50 in primary tubes, a 2.50 in outlet, 7\/16 in cylinder-head flange, and 3\/8 in outlet flange, this header is designed around the specified Nissan D21 4WD exhaust configuration. The tubular 4-1 layout provides a more direct exhaust path from the cylinder head to the collector while maintaining the dimensions required for the listed application.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFit for compatible 1990-1995 Nissan Hardbody D21 Pickup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Compatibility: 2.4L KA24E Inline-4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDrivetrain Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4WD \/ 4x4 ONLY\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDoes Not Fit 2WD Nissan Hardbody D21 models\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDoes Not Fit KA24DE engine applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned specifically around the listed Nissan Hardbody D21 2.4L 4WD configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlease verify the exact vehicle year, model, engine code, drivetrain, cylinder-head configuration, and existing exhaust system before purchasing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicles with engine swaps, aftermarket cylinder heads, suspension modifications, custom motor mounts, or previous exhaust modifications may require additional fitment verification\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Highlights\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eD21 4WD-Specific Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for compatible 1990-1995 Nissan Hardbody D21 pickups equipped with the 2.4L KA24E engine and 4WD drivetrain\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e4-1 Header Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Four primary tubes merge into a single collector for the specified exhaust configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1.50 in Primary Tubes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features the specified 1.5 in primary tube diameter\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2.50 in Outlet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Uses a 2.5 in collector outlet for connection to a compatible downstream exhaust system\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e7\/16 in Head Flange\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Thick cylinder-head flange provides a substantial mounting surface\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3\/8 in Outlet Flange\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Collector outlet uses the specified 3\/8 in flange thickness\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStainless Steel Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Stainless steel construction provides durability for exhaust-system use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTubular Exhaust Layout\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed to provide a smoother exhaust path compared with the compact factory-style cast manifold configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e4WD Application Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Intended specifically for D21 4WD models where front driveshaft and underbody clearance are important fitment considerations\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: 4-1 Exhaust Header\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle Make: Nissan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle Model: Hardbody D21 Pickup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle Years: 1990-1995\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Type: Inline-4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Compatibility: 2.4L KA24E\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrivetrain: 4WD \/ 4x4 Only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: Stainless Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeader Configuration: 4-1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrimary Tube Diameter: 1.50 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutlet Diameter: 2.50 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead Flange Thickness: 7\/16 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutlet Flange Thickness: 3\/8 in\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × Exhaust Header Assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation Components as Shown\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePlease verify the exact vehicle year, model, engine code, and drivetrain before purchasing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for compatible 1990-1995 Nissan Hardbody D21 models with 2.4L KA24E engine and 4WD drivetrain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eFits 4WD \/ 4x4 models ONLY\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDoes not fit 2WD models\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eDoes not fit KA24DE engine applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfirm cylinder-head flange alignment, front driveshaft clearance, steering-system clearance, transmission clearance, and downstream exhaust connection before installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExisting exhaust modifications, engine-mount wear, suspension-height changes, or previous underbody repairs may affect final clearance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep O2 sensor wiring and nearby harnesses away from hot exhaust tubing and moving drivetrain components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStart all mounting hardware before final tightening to allow proper header and downstream exhaust alignment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecheck mounting hardware and inspect for exhaust leaks after the first complete heat cycle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional exhaust adjustment or fabrication may be required depending on the condition and configuration of the existing exhaust system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional installation is recommended\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Peforway","offers":[{"title":"Default Title","offer_id":51072958628083,"sku":"MT001045","price":168.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6999\/3459\/files\/E6_9C_AA_E6_A0_87_E9_A2_98-1_1787723881536.jpg?v=1788919895","url":"https:\/\/peforway.com\/fr\/products\/1990-1995-nissan-hardbody-d21-2-4l-ka24e-4wd-exhaust-header","provider":"Peforway","version":"1.0","type":"link"}