{"title":"Radiators","description":"\u003cp\u003eIAG Performance carries Subaru radiators, an essential cooling system component for maintaining proper engine temperatures whether you're daily driving or pushing your Subaru on track. A failing or undersized radiator is one of the most common causes of overheating on modified, higher-output Subaru engines\u003c\/p\u003e","products":[{"product_id":"iag-triple-pass-competition-series-55mm-radiator-for-2008-14-subaru-wrx-08-21-sti","title":"IAG Triple Pass Competition Series 55mm Radiator for 2008-14 Subaru WRX, 08-21 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 55MM TRIPLE PASS COMPETITION SERIES RADIATOR FOR 08-14 WRX \u0026amp; 08-21 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG 55mm Triple Pass Competition Series Radiator for 08-14 WRX \u0026amp; 08-21 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/d273d6bb-dc88-4e59-8f01-35947dfb229e\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG COMPETITION SERIES TRIPLE PASS RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple-Pass Competition Series 55mm Radiator is a high-performance aluminum radiator designed to work with 2008-2014 Subaru WRX and 2008-2021 STI (GV\/GR\/VA chassis models). Engineered to cool more efficiently than the OEM radiator, this lightweight upgrade is perfect for competition applications and engines with performance modifications that have a tendency to run hot. The all-aluminum construction provides superior heat dissipation, ensuring your engine operates at optimal temperatures even under extreme conditions. IAG’s Competition Series Triple-Pass 55mm Radiator is the perfect choice for enhanced cooling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 55mm WRX STI Triple Pass Competition Series Radiator Design\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/5c4ba3b9-e335-4f96-9157-9376d6a5ddfe\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/best\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTRIPLE PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Competition Series Radiator utilizes an advanced 3-pass design, featuring baffles located inside the end tanks that route the coolant through the radiator three times from inlet to outlet. Unlike the single-pass design of the OEM radiator, IAG’s innovative approach ensures the coolant stays inside the radiator longer, resulting in a significant increase in cooling efficiency. On average, the 3-pass design improves cooling performance by 10-20% over the factory radiator, providing your engine with better thermal management even during intense performance scenarios. \u003cbr\u003e\u003cbr\u003eSee our \u003ca href=\"\/blog\/performance-under-pressure-track-testing-iags-42mm-and-55mm-radiators\/\" title=\"IAG Performance Under Pressure Blog\"\u003ePerformance Under Pressure Blog\u003c\/a\u003e for test results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 55mm Triple Pass Competition Series Radiator - Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/6323c716-27e9-4fec-936c-fd76d855d48a\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG 55mm Competition Series Triple-Pass Radiator is constructed from lightweight and durable aluminum, making it less likely to crack or bend even under high temperatures. Aluminum's excellent heat conductivity and rapid absorption properties allow the hot coolant to cool more quickly as it circulates through the tubes. Additionally, aluminum offers exceptional resistance to corrosion, ensuring a long lifespan and reliable performance. The IAG 55mm Triple-Pass Competition Series Radiator is made in the USA and built to meet the demands of high-performance applications while providing efficient cooling and durability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 55mm Triple Pass Competition Series Radiator Fitment \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/72dc0ed7-c533-4655-84c0-b89153dd426e\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Competition Series Triple-Pass Radiator features a 55mm (2.165”) core and is designed for compatibility with OEM radiator fans using the original mounting positions. The lower radiator outlet remains in the stock location, utilizing the included lower hose. The upper radiator inlet has been relocated and requires the included IAG 4 Ply Silicone Upper Radiator Hose (Part #IAG-ENG-2304) for installation. A -6 AN Male Fitting is welded on one end for applications that need a coolant expansion tank. For applications that do not require this fitting, a -6 AN female cap is included.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062549688538,"sku":"IAG-ENG-2302","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2302-01__34837.1722544634.1280.1280.jpg?v=1781530645"},{"product_id":"iag-triple-pass-street-series-42mm-radiator-for-2008-14-subaru-wrx-08-21-sti","title":"IAG Triple Pass Street Series 42mm Radiator for 2008-14 Subaru WRX, 08-21 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 42MM TRIPLE PASS STREET SERIES RADIATOR FOR 08-14 WRX \u0026amp; 08-21 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG 42mm Triple Pass Street Series Radiator for 08-14 WRX \u0026amp; 08-21 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/c8a93718-ba8a-4ef4-8b15-d53538a1a738\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG STREET SERIES TRIPLE PASS RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Street Series 42mm Triple-Pass Radiator is a high-performance aluminum radiator designed specifically for 2008-2014 Subaru WRX and 2008-2021 STI (GV\/GR\/VA chassis models). Engineered to cool more efficiently than the OEM radiator, this lightweight upgrade is perfect for heavy-use applications and engines with performance modifications that tend to run hotter. The all-aluminum construction provides superior heat dissipation, ensuring your engine remains at optimal temperatures even under extreme conditions. IAG’s Street Series Triple-Pass Radiator is the ideal choice for enhanced cooling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 42mm 08-14 WRX \u0026amp; 08-21 Triple Pass Street Series Radiator Design\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/eeb489fc-1b61-4fb5-82eb-b43291e58af5\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/best\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTRIPLE PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Street Series Radiator utilizes an advanced 3-pass design, featuring internal baffles within the end tanks that route the coolant through the radiator three times from inlet to outlet. Unlike the single-pass design of the OEM radiator, this innovative approach ensures the coolant stays inside the radiator longer, resulting in a significant increase in cooling efficiency. On average, the 3-pass design improves cooling performance by 10-20% over stock, providing your engine with better thermal management even during intense performance scenarios. \u003cbr\u003e\u003cbr\u003eSee our \u003ca href=\"\/blog\/performance-under-pressure-track-testing-iags-42mm-and-55mm-radiators\/\" title=\"IAG Performance Under Pressure Blog\"\u003ePerformance Under Pressure Blog\u003c\/a\u003e for test results. \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 42mm Triple Pass Street Series Radiator - Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/c94a84be-8c2a-4bf4-8e6a-1f7f4e65cd7d\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple-Pass Radiator is constructed from lightweight and durable aluminum, making it less likely to crack or bend even under high temperatures. Aluminum's excellent heat conductivity and rapid absorption properties allow the hot coolant to cool more quickly as it passes through the tubes. Additionally, aluminum offers superior resistance to corrosion, ensuring a long lifespan and reliable performance. The IAG Street Series 42mm Triple-Pass Radiator is made in the USA and built to endure the demands of high-performance applications while providing efficient cooling and durability. \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 42mm Triple Pass Street Series Radiator Fitment\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/acd0a9d4-7759-4151-be3f-3eca60536496\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/better\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe Street Series Radiator features a 42mm (1.654”) core and is designed to work seamlessly with OEM radiator fans using the original mounting positions. The lower radiator outlet remains in the stock location, utilizing the original lower hose. The upper radiator inlet has been relocated and requires the included IAG 4 Ply Silicone Upper Radiator Hose (Part #IAG-ENG-2304) for installation. A -6 AN Male Fitting is welded on one end for applications that need a coolant expansion tank. For applications that do not require this fitting, a -6 AN female cap is included.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062553456858,"sku":"IAG-ENG-2301","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2301-01__79411.1722544741.1280.1280.jpg?v=1781530665"},{"product_id":"iag-triple-pass-competition-series-55mm-radiator-for-2002-07-wrx-04-07-sti","title":"IAG Triple Pass Competition Series 55mm Radiator for 2002-07 WRX, 04-07 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG TRIPLE PASS COMPETITION SERIES 55MM RADIATOR FOR 2002-07 SUBARU WRX \u0026amp; 04-07 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Triple Pass Competition Series 55mm Radiator for 2002-07 Subaru WRX and 2004-07 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/113e22e4-abec-4af0-b288-d8d316060091\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG TRIPLE PASS COMPETITION SERIES 55MM RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Competition Series 55mm Radiator is a high-performance aluminum radiator designed to work with 2002-2007 Subaru WRX and 2004-2007 STI models with the GD chassis. Engineered to cool more efficiently than the OEM radiator, this lightweight upgrade is perfect for competition applications and engines with performance modifications that have a tendency to run hot. The all-aluminum construction provides superior heat dissipation, ensuring your engine operates at optimal temperatures even under extreme conditions. IAG’s Triple Pass Competition Series 55mm Radiator is the perfect choice for enhanced cooling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Triple Pass Competition Series Construction and Function \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/e5050c31-17db-4836-b96b-20019f922ad8\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTRIPLE PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Competition Series 55mm Radiator utilizes an advanced triple pass design, featuring baffles located inside the end tanks that route the coolant through the radiator three times from inlet to outlet. Unlike the single-pass design of the OEM radiator, IAG’s innovative approach ensures the coolant stays inside the radiator longer, resulting in a significant increase in cooling efficiency. On average, the triple pass design improves cooling performance by 10-20% over the factory radiator, providing your engine with better thermal management even during intense performance scenarios.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/ee3afc01-e9e3-4a53-b928-a4da5dabc02b\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe Triple Pass Competition Series 55mm Radiator is constructed from lightweight and durable aluminum, making it less likely to crack or bend even under high temperatures. Aluminum's excellent heat conductivity and rapid absorption properties allow the hot coolant to cool more quickly as it circulates through the tubes. Additionally, aluminum offers exceptional resistance to corrosion, ensuring a long lifespan and reliable performance. The Triple Pass Competition Series 55mm Radiator is built to meet the demands of high-performance applications while providing efficient cooling and durability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Triple Pass 55mm Comp Series Radiator for 02-07 WRX and 04-07 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/0eddb933-2442-4e26-9bd4-a3dd99943874\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Competition Series 55mm Radiator features a 55mm (2.165”) core and is designed for compatibility with OEM radiator fans using the original mounting positions. The lower radiator inlet remains in the stock location, utilizing the included lower hose. The upper radiator inlet has been relocated and requires the included IAG 4 Ply Silicone Upper Radiator Hose (Part #IAG-ENG-2304) for installation. A -6 AN Male Fitting is welded on one end for applications that need a coolant expansion tank. For applications that do not need this fitting, a -6 AN female cap is included.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062592581850,"sku":"IAG-ENG-2308","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2308-01__00769.1763563961.1280.1280.jpg?v=1781530868"},{"product_id":"iag-triple-pass-street-series-42mm-radiator-for-2002-07-subaru-wrx-04-07-sti","title":"IAG Triple Pass Street Series 42mm Radiator for 2002-07 Subaru WRX , 04-07 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG TRIPLE PASS STREET SERIES 42MM RADIATOR FOR 2002-07 SUBARU WRX \u0026amp; 2004-07 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Triple Pass Street Series 42mm Radiator For 2002-07 Subaru WRX \u0026amp; 04-07 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/8ddbc8e6-65e9-4502-82e5-8337af9c3050\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG TRIPLE PASS STREET SERIES RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator is a high-performance aluminum radiator designed specifically for 2002-2007 WRX and 2004-2007 STI Subaru models with the GD chassis. Engineered to cool more efficiently than the OEM radiator, this lightweight upgrade is perfect for heavy-use applications and engines with performance modifications that tend to run hotter. The all-aluminum construction provides superior heat dissipation, ensuring your engine remains at optimal temperatures even under extreme conditions. IAG’s Triple Pass Street Series 42mm Radiator is the ideal choice for enhanced cooling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Triple Pass Radiator Design\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/e20f22ee-2b24-4a77-8124-73c90a9987df\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003e3-PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator utilizes an advanced 3-pass design, featuring internal baffles within the end tanks that route the coolant through the radiator three times from inlet to outlet. Unlike the single-pass design of the OEM radiator, this innovative approach ensures the coolant stays inside the radiator longer, resulting in a significant increase in cooling efficiency. On average, the 3-pass design improves cooling performance by 10-20% over stock, providing your engine with better thermal management even during intense performance scenarios.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/b2bbea9d-6b06-4477-b21b-81b07a72b67a\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator is constructed from lightweight and durable aluminum, making it less likely to crack or bend even under high temperatures. Aluminum's excellent heat conductivity and rapid absorption properties allow the hot coolant to cool more quickly as it passes through the tubes. Additionally, aluminum offers superior resistance to corrosion, ensuring a long lifespan and reliable performance. The IAG Triple Pass Street Series 42mm Radiator is built to endure the demands of high-performance applications while providing efficient cooling and durability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Triple Pass Street Series Aluminum Radiator For Subaru WRX STI \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/67464b0e-e1d1-43c4-914e-3da14133783b\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe upper radiator inlet on the IAG Triple Pass Street Series 42mm Radiator has been relocated and requires the included IAG 4 Ply Silicone Upper Radiator Hose (Part #IAG-ENG-2304) for installation. A -6 AN Male Fitting is welded on one end for applications that need a coolant expansion tank. For applications that do not need this fitting, a -6 AN female cap is included.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062592909530,"sku":"IAG-ENG-2307","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2307-01__37565.1763563652.1280.1280.jpg?v=1781530866"},{"product_id":"iag-triple-pass-street-series-42mm-radiator-for-2015-21-subaru-wrx","title":"IAG Triple Pass Street Series 42mm Radiator for 2015-21 Subaru WRX","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 42MM TRIPLE PASS STREET SERIES RADIATOR FOR 2015-21 WRX\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Triple Pass 42mm Street Series Radiator for 2015-21 Subaru WRX \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/1f40158c-32e6-4aa9-9785-2a5a592a0500\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG TRIPLE PASS STREET SERIES RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator is a high-performance aluminum radiator designed specifically for 2015–2021 Subaru WRX models. Engineered to deliver improved cooling over the OEM radiator, this lightweight upgrade is a solid choice for heavy-use applications and performance-modified engines that generate more heat. Its all-aluminum construction offers excellent heat dissipation, helping maintain stable engine temperatures even under demanding conditions. The IAG Triple Pass Street Series 42mm Radiator is an ideal solution for increased cooling efficiency and long-term reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Triple Pass Radiator Design\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/17d0a830-344c-4582-9f74-404ce2f39ec8\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003e3-PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator features an advanced 3-pass design, using internal baffles within the end tanks to route coolant through the radiator three times from inlet to outlet. Unlike the OEM radiator’s single-pass layout, this design keeps coolant inside the core longer, resulting in a significant increase in cooling efficiency. On average, the 3-pass configuration delivers a 10–20% improvement in cooling performance over stock, providing your engine with better thermal management even during high-performance use.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Aluminum Radiator Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/be2edaba-ef34-4544-adbf-11a181ca3098\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator is built from lightweight and durable aluminum, making it less likely to crack or bend even under high temperatures. Aluminum's superior heat conductivity and rapid absorption properties allow the hot coolant to cool more quickly as it passes through the radiator tubes. Aluminum also resists corrosion, contributing to a long lifespan and reliable performance. Designed to handle the demands of high-performance use, the IAG Triple Pass Street Series 42mm Radiator delivers efficient cooling with lasting durability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Silicone Radiator Hoses\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/e9524df8-8403-47af-9d84-9642efa699f2\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 42mm Radiator uses a relocated upper inlet and requires the included IAG 4-Ply Silicone upper and lower radiator hoses for proper fitment. It features a 42mm (1.654\") core and is designed to work seamlessly with OEM radiator fans using the original mounting positions. A welded -6 AN fitting is included on the radiator, and a -6 AN cap is provided for applications that do not use an expansion tank, allowing the radiator to function with a standard OEM-style cooling system.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062611095770,"sku":"IAG-ENG-2335","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2335-01__29033.1772036198.1280.1280.jpg?v=1781530958"},{"product_id":"iag-triple-pass-competition-series-55mm-radiator-for-2015-21-subaru-wrx","title":"IAG Triple Pass Competition Series 55mm Radiator for 2015-21 Subaru WRX","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 55MM TRIPLE PASS COMPETITION SERIES RADIATOR FOR 2015-21 WRX\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Triple Pass Competition Series 55mm Radiator for 2015-21 Subaru WRX\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/3cfaab8b-b05f-45cf-b960-e6b5ea30e819\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG TRIPLE PASS COMPETITION SERIES 55MM RADIATOR\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Competition Series 55mm Radiator is a high-performance aluminum radiator engineered for 2015–2021 Subaru WRX models. Designed to deliver significantly improved cooling over the OEM radiator, this lightweight upgrade is ideal for competition use and performance-modified engines that generate higher operating temperatures. Its all-aluminum construction promotes excellent heat dissipation, helping maintain optimal engine temperatures even under extreme conditions. IAG’s Triple Pass Competition Series 55mm Radiator is the perfect solution for enhanced cooling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Triple Pass Radiator Flow\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/7ae869a1-ba47-4d3b-b411-ba87526569ea\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTRIPLE PASS DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Competition Series 55mm Radiator features an advanced triple-pass design with internal baffles in the end tanks that direct coolant through the radiator core three times from inlet to outlet. Compared to the OEM single-pass radiator, this design increases coolant dwell time within the radiator, resulting in a significant gain in cooling efficiency. On average, the triple-pass configuration improves cooling performance by 10–20% over the factory radiator, delivering improved thermal management even during high-demand driving conditions.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/e76926f3-1e82-4428-838d-186082d0ee9f\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALUMINUM CONSTRUCTION\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe Triple Pass Competition Series 55mm Radiator features a lightweight aluminum construction that stands up to extreme heat while resisting cracking and deformation. Aluminum acts as a conductor, enhancing thermal efficiency by drawing heat from the hot coolant as it flows through the core and transferring it to the surface (fins) to be dissipated into the surrounding air. Finally, aluminum offers exceptional resistance to corrosion, ensuring a long lifespan and reliable performance. The Triple Pass Competition Series 55mm Radiator is built to meet the demands of high-performance applications while delivering efficient cooling and durability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Silicone Hoses and Clamps\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/5e960e35-e633-42e5-a1f7-94bf5a257ab1\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFITMENT NOTES\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Triple Pass Street Series 55mm Radiator uses a relocated upper inlet and requires the included IAG 4-Ply Silicone upper and lower radiator hoses for proper fitment. It features a 55mm (2.165”) core and is designed to work seamlessly with OEM radiator fans using the original mounting positions. A welded -6 AN fitting is included on the radiator, and a -6 AN cap is provided for applications that do not use an expansion tank, allowing the radiator to function with a standard OEM-style cooling system.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062611357914,"sku":"IAG-ENG-2336","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2336-01__32295.1772036250.1280.1280.jpg?v=1781530959"}],"url":"https:\/\/www.iagperformance.com\/collections\/iag-parts-engine-cooling-radiators.oembed","provider":"IAG Performance","version":"1.0","type":"link"}