{"product_id":"kong-performance-stage-x-port-add-on","title":"Kong Performance Stage X Port Add-On","description":"\u003ch2\u003eKong Stage X Supercharger Port Upgrade\u003c\/h2\u003e\u003cp\u003eStage X is Kong Performance’s supplemental CNC machining package for eligible factory-supercharger porting services. It builds on the standard Kong CNC port rather than replacing it and is intended for customers seeking the maximum practical airflow from a supported OEM supercharger platform.\u003c\/p\u003e\u003cp\u003eThe additional machining strategy is based on airflow simulation, chassis-dyno development, and track testing. Platform-specific results vary, but Kong reports meaningful additional airflow and power potential on combinations equipped with the fuel system, pulley ratio, throttle body, intake, exhaust, engine hardware, and calibration required to use it.\u003c\/p\u003e\u003ch3\u003eOrdering requirements\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis is an add-on only—not a standalone porting service.\u003c\/li\u003e\n\u003cli\u003eAn eligible Kong base supercharger-porting service must be purchased on the same order.\u003c\/li\u003e\n\u003cli\u003eApplication compatibility must be confirmed before the supercharger is shipped.\u003c\/li\u003e\n\u003cli\u003eThe submitted supercharger must be suitable for the additional machining.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Stage X does not guarantee a specific horsepower result. Final output depends on the complete vehicle and engine combination. Contact SMG before ordering if you are unsure whether Stage X is appropriate for your target power level or supercharger.\u003c\/p\u003e\u003ch3\u003ePurchase with an eligible base service\u003c\/h3\u003e\u003cp\u003eThis upgrade must be purchased with a compatible Kong porting service, including the \u003ca href=\"https:\/\/smgspeed.com\/products\/kong-performance-cnc-ported-lt4-supercharger-snout\"\u003eKong LT4 CNC Porting Service\u003c\/a\u003e when applicable. It does not create an additional shipping charge. Orders placed without an eligible base service will be held while SMG confirms the correct service package and collects any required difference before work begins.\u003c\/p\u003e","brand":"Kong Performance","offers":[{"title":"Default Title","offer_id":54850013724991,"sku":"KONG-STAGEX-ADDON","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/kong-stage-x-port-add-on_0de8af23-a9a9-4e83-a1d8-d7a3af94dc41.jpg?v=1785586194","url":"https:\/\/smgspeed.com\/products\/kong-performance-stage-x-port-add-on","provider":"SMGspeed","version":"1.0","type":"link"}