{"product":{"id":11350208086358,"title":"Kooks 3\" H.O. GREEN High-Flow Catalytic Converter - GE-90150","body_html":"\u003ch2\u003eChoose catalyst capacity for the engine you are building\u003c\/h2\u003e\u003cp\u003eIf your build needs the higher-output GREEN specification, the GE-90150 combines a 300 CPSI substrate with a larger 4-1\/2\" outside-diameter body. It supports forced induction and is rated for up to 500 hp per converter or 1000 hp per pair. That makes capacity, pipe fit and available space the important choices before fabrication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e GE-90150\u003c\/p\u003e\u003ch2\u003eA different substrate and larger body\u003c\/h2\u003e\u003cp\u003eH.O. GREEN uses 300 cells per square inch, compared with the 400 CPSI substrate of standard GREEN. The 4-1\/2\" OD body is 4\" long, with 7\" overall length, and both connections have a 3\" inside diameter. Allow for that larger body when checking clearance.\u003c\/p\u003e\u003ch2\u003eUnderstand the rating\u003c\/h2\u003e\u003cp\u003eThe rating is up to 500 hp per converter or 1000 hp per pair. It is an application capacity figure, not horsepower added by the exhaust. Match the capacity to the completed engine and use the correct number and arrangement of converters for the system.\u003c\/p\u003e\u003ch2\u003eEmissions treatment with the system correctly set up\u003c\/h2\u003e\u003cp\u003eThe high-flow catalyst treats exhaust emissions and is certified to U.S. EPA standards. That U.S. certification does not establish UK-specific approval. Elimination of a check-engine light is not guaranteed, so the sensor and calibration arrangement still matter.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGE-90150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalyst type\u003c\/td\u003e\n\u003ctd\u003eH.O. GREEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet and outlet\u003c\/td\u003e\n\u003ctd\u003e3\" inside diameter (ID)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e4-1\/2\" outside diameter (OD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody length\u003c\/td\u003e\n\u003ctd\u003e4\" body length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length\u003c\/td\u003e\n\u003ctd\u003e7\" overall length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate\u003c\/td\u003e\n\u003ctd\u003e300 CPSI (cells per square inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 500 hp per converter; 1000 hp per pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForced induction\u003c\/td\u003e\n\u003ctd\u003eSupported within the application rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification standard\u003c\/td\u003e\n\u003ctd\u003eU.S. EPA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarning-light condition\u003c\/td\u003e\n\u003ctd\u003eElimination of a check-engine light is not guaranteed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eIs 1000 hp the rating for one converter?\u003c\/h3\u003e\u003cp\u003eNo. It is the rating per pair. One converter is rated for up to 500 hp.\u003c\/p\u003e\u003ch3\u003eDoes H.O. GREEN have the same body as standard GREEN?\u003c\/h3\u003e\u003cp\u003eThis H.O. version has a 4-1\/2\" outside-diameter body and 300 CPSI substrate. Standard GREEN has a 4\" OD body and 400 CPSI substrate.\u003c\/p\u003e\u003ch3\u003eHow does ULTRA-GREEN differ from H.O. GREEN?\u003c\/h3\u003e\u003cp\u003eULTRA-GREEN uses a 400 CPSI substrate and additional precious-metal content in the same listed 4-1\/2\" OD body size. H.O. GREEN uses a 300 CPSI substrate and its own higher-output application rating.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","vendor":"Kooks","product_type":"Catalytic Converters","created_at":"2026-10-08T10:41:08+01:00","handle":"kooks-ge-90150","updated_at":"2026-10-11T14:02:56+01:00","published_at":"2026-10-09T13:07:46+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, class:equipment-service-non-vehicle, dept:performance-parts, type:catalytic-converter","variants":[{"id":55646895341910,"product_id":11350208086358,"title":"Default Title","price":"796.67","sku":"GE-90150","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:41:08+01:00","updated_at":"2026-10-11T14:02:56+01:00","taxable":true,"barcode":"842422180782","grams":1361,"image_id":null,"weight":1.361,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14512389882198,"product_id":11350208086358,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449207017814,"product_id":11350208086358,"position":1,"created_at":"2026-10-08T10:41:08+01:00","updated_at":"2026-10-08T10:41:12+01:00","alt":"Kooks 3\" Kooks H.O. 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