{"product_id":"mishimoto-aluminum-radiator-fl5-type-r-de5-type-s","title":"Mishimoto Aluminum Radiator for FL5 Civic Type R\/DE5 Integra Type S","description":"\u003cul\u003e\n\u003cli\u003e17% More Heat Rejection \u003c\/li\u003e\n\u003cli\u003e5-10°F Lower Outlet Temps \u003c\/li\u003e\n\u003cli\u003eAluminum, Won't Crack Like Plastic Tanks \u003c\/li\u003e\n\u003cli\u003eDirect Fit, No Bumper Removal \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eMishimoto Performance Aluminum Radiator (MMRAD-CTR-23) - FL5 Civic Type R \u0026amp; DE5 Integra Type S\u003c\/h3\u003e\n\n\u003cp\u003eThe FL5 Type R and DE5 Integra Type S make 315 horsepower from a turbocharged K20C1, and all that power makes heat, more than the factory radiator was built to shed when you drive the car hard. Mishimoto's performance radiator fixes that with a tested result: 17% more heat rejection, which drops outlet coolant temps by an average of 5 to 10 degrees. All-aluminum, direct-fit with no bumper removal, and engineered to use every millimeter of available space for maximum cooling.\u003c\/p\u003e\n\n\u003ch4\u003eA Tested Result, Not Just A Bigger Core\u003c\/h4\u003e\n\n\u003cp\u003eThis is what sets this radiator apart, it's measured, not just claimed.\u003c\/p\u003e\n\n\u003cp\u003ePlenty of radiators advertise a bigger core; what matters is how much more heat it actually rejects. Mishimoto measured this one at a \u003cstrong\u003e17% increase in heat rejection\u003c\/strong\u003e over stock, which translates to an average \u003cstrong\u003e5 to 10°F drop in outlet temperatures\u003c\/strong\u003e, the temperature of the coolant leaving the radiator and heading back to the engine.\u003c\/p\u003e\n\n\u003cp\u003eThat matters because lower coolant temps mean the ECU is less likely to pull timing to protect the engine, so you keep your power on a hot lap or a hot day, and it gives a built or hard-driven engine more thermal margin. A measured 5-10° drop is a real, usable improvement, not a spec-sheet number that doesn't show up where it counts.\u003c\/p\u003e\n\n\u003ch4\u003eWhere The Cooling Gain Comes From\u003c\/h4\u003e\n\n\u003cp\u003eThe core is substantially larger and more efficient than stock.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e49% more core volume\u003c\/strong\u003e means far more coolant in the radiator and more thermal mass to work with. \u003cstrong\u003e31% more external fin area\u003c\/strong\u003e gives more surface for heat to transfer into the air, and \u003cstrong\u003e31% more internal tube area\u003c\/strong\u003e gives more surface for heat to move from the coolant into the radiator in the first place. Those increases at every stage are what produce the measured heat-rejection gain.\u003c\/p\u003e\n\n\u003cp\u003eIt's a \u003cstrong\u003esingle-row core, but a thick 40mm strutted-tube one\u003c\/strong\u003e, Mishimoto's design that packs the cooling into a robust core that resists the chassis flex a radiator sees under hard driving, so it won't fatigue or fail where a thinner, unsupported core would stress over time.\u003c\/p\u003e\n\n\u003ch4\u003eAluminum, Built To Last\u003c\/h4\u003e\n\n\u003cp\u003eThe construction is proper performance-radiator build.\u003c\/p\u003e\n\n\u003cp\u003eIt's \u003cstrong\u003eall-aluminum with precision TIG-welded end tanks\u003c\/strong\u003e, which is stronger and sheds heat better than the factory radiator's plastic tanks, the plastic tanks that crack and become a failure point as a car ages. Aluminum tolerates the heat and pressure of a hard-run cooling system and dissipates heat more efficiently, so the construction itself contributes to the cooling, not just the size.\u003c\/p\u003e\n\n\u003ch4\u003eThe Details That Make It Work Better\u003c\/h4\u003e\n\n\u003cp\u003eTwo included features that matter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFoam seals\u003c\/strong\u003e between the radiator and fan shroud ensure the air the fans pull actually goes through the radiator rather than leaking around it, a small detail that meaningfully improves airflow management and real-world cooling. And a \u003cstrong\u003emagnetic drain plug\u003c\/strong\u003e captures metallic debris circulating in the cooling system, so wear particles collect at the plug instead of cycling through your pump and engine.\u003c\/p\u003e\n\n\u003ch4\u003eDirect Fit, No Bumper Removal\u003c\/h4\u003e\n\n\u003cp\u003eStraightforward to install, which isn't a given on a radiator swap.\u003c\/p\u003e\n\n\u003cp\u003eThis is a \u003cstrong\u003eplug-and-play direct fit\u003c\/strong\u003e that mounts in the factory location without removing the bumper, a real convenience, since many radiator upgrades require pulling the front end. It reuses the factory fan shroud (with the included foam seals) and works with your \u003cstrong\u003estock coolant hoses\u003c\/strong\u003e or the matching \u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/mishimoto-silicone-radiator-hoses-fl5-type-r-de5-type-s\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMishimoto silicone hose kit\u003c\/a\u003e. No fabrication, no cutting, no front-end teardown.\u003c\/p\u003e\n\n\u003ch4\u003ePair It With The Silicone Hoses\u003c\/h4\u003e\n\n\u003cp\u003eThe natural companion for a complete cooling system.\u003c\/p\u003e\n\n\u003cp\u003eMishimoto designed this radiator to work alongside their \u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/mishimoto-silicone-radiator-hoses-fl5-type-r-de5-type-s\" target=\"_blank\" rel=\"noopener noreferrer\"\u003esilicone radiator hose kit\u003c\/a\u003e for these cars. The radiator adds cooling capacity; the silicone hoses replace the factory rubber with four-layer silicone that won't dry, crack, or balloon under the same heat. Together they're the upgraded cooling system Mishimoto built for the FL5 and DE5, and doing both while the cooling system is open is the efficient way to go.\u003c\/p\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\n\u003cp\u003e2023-2026 Honda Civic Type R (FL5)\u003cbr\u003e2024-2026 Acura Integra Type S (DE5)\u003c\/p\u003e\n\n\u003cp\u003eK20C1 engine. Part number MMRAD-CTR-23. Direct fit, no bumper removal. Works with stock or Mishimoto silicone hoses.\u003c\/p\u003e\n\n\u003ch4\u003eWho Should Grab This\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the FL5 or DE5 owner who tracks the car, tunes it, or just wants more thermal margin on a hot day, and who wants a radiator with a measured result rather than a vague promise. A tested 17% more heat rejection, 5-10° lower outlet temps, 49% more core volume, aluminum that won't crack like the plastic factory tanks, and a true direct fit. Keep your coolant temps in check, pair it with the silicone hoses, and stop losing power to heat.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2023-2026 Civic Type R (FL5) and 2024-2026 Integra Type S (DE5), K20C1. \u003cstrong\u003ePart number:\u003c\/strong\u003e MMRAD-CTR-23. \u003cstrong\u003eResult:\u003c\/strong\u003e 17% more heat rejection, 5-10°F lower outlet temps. \u003cstrong\u003eCore:\u003c\/strong\u003e 40mm strutted single-row, 49% more volume, 31% more fin and tube area vs stock. \u003cstrong\u003eConstruction:\u003c\/strong\u003e all-aluminum, TIG-welded end tanks. \u003cstrong\u003eIncludes:\u003c\/strong\u003e magnetic drain plug and fan shroud foam seals. \u003cstrong\u003eInstall:\u003c\/strong\u003e direct fit, no bumper removal; works with stock or Mishimoto silicone hoses. \u003cstrong\u003eWarranty:\u003c\/strong\u003e Mishimoto lifetime.\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e2024-2026 Acura Integra Type S\u003cbr\u003e2023-2026 Honda Civic Type R\u003c\/p\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":67627578687522,"sku":"MIS-MMRAD-CTR-23","price":749.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/cf240e5c79ddb78bd7bb7d01f31ed1abL.jpg?v=1790882774","url":"https:\/\/www.hybrid-racing.com\/products\/mishimoto-aluminum-radiator-fl5-type-r-de5-type-s","provider":"Hybrid Racing","version":"1.0","type":"link"}