{"product_id":"exedy-performance-clutch-kit-2004-2014-impreza-2006-2009-legacy-2015-2019-wrx-sti-subaru","title":"EXEDY Performance Clutch Kit – 2004–2014 Impreza \/ 2006–2009 Legacy \/ 2015–2019 WRX STI (Subaru)","description":"\u003cp\u003eThe \u003cstrong\u003eEXEDY Performance Clutch Kit – 2004–2014 Impreza \/ 2006–2009 Legacy \/ 2015–2019 WRX STI (Subaru)\u003c\/strong\u003e is tailored to 2004–2014 Impreza \/ 2006–2009 Legacy \/ 2015–2019 WRX STI (Subaru) and is best considered when the goal is reliable torque transfer, predictable engagement, and hardware appropriate for enthusiast street, autocross, HPDE, and modified performance builds.\u003c\/p\u003e\u003ch3\u003eEXEDY Heritage\u003c\/h3\u003e\u003cp\u003eEXEDY's history reaches back to 1923 in Japan, with decades of clutch development under the Daikin Clutch name. The company is both a major OEM powertrain supplier and a long-established performance-clutch manufacturer, with products engineered for everything from original-power street cars to dedicated motorsports use.\u003c\/p\u003e\u003ch3\u003eHow This Product Is Intended to Be Used\u003c\/h3\u003e\u003cp\u003eEXEDY's performance single- and multi-plate systems are intended to raise torque capacity and heat tolerance while matching the engagement characteristics to the car's intended use. Stage 1 uses an organic friction strategy for the most street-friendly behavior; Stage 2 moves to cerametallic friction for harder use; Hyper systems add dedicated flywheel and multi-plate architecture for substantially higher-output builds.\u003c\/p\u003e\u003cp\u003eChoose the least aggressive configuration that comfortably covers the engine's torque and heat load. That approach normally gives the best balance of drivability, service life, transmission friendliness, and track durability.\u003c\/p\u003e\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\u003cp\u003eThis parent listing contains multiple EXEDY configurations for the same application family. The differences below are functional and should be selected around torque demand, heat load, and acceptable engagement behavior.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eEXEDY Part Number\u003c\/th\u003e\n\u003cth\u003eConstruction \/ Character\u003c\/th\u003e\n\u003cth\u003eTorque Capacity\u003c\/th\u003e\n\u003cth\u003eRecommended Use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 2 Cerametallic (15951HDP4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15951HDP4\u003c\/td\u003e\n\u003ctd\u003eCerametallic performance disc. More positive\/aggressive engagement.\u003c\/td\u003e\n\u003ctd\u003eApplication-specific; higher than Stage 1 in many applications\u003c\/td\u003e\n\u003ctd\u003eTrack-biased street cars and higher-heat or higher-torque builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 2 Cerametallic (15951P4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15951P4\u003c\/td\u003e\n\u003ctd\u003eCerametallic performance disc. More positive\/aggressive engagement.\u003c\/td\u003e\n\u003ctd\u003eApplication-specific; higher than Stage 1 in many applications\u003c\/td\u003e\n\u003ctd\u003eTrack-biased street cars and higher-heat or higher-torque builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 2 Cerametallic – Thick Disc (15951)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15951\u003c\/td\u003e\n\u003ctd\u003eThick cerametallic disc. Aggressive, with added thermal mass.\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003ctd\u003eHard street\/track use where repeated heat cycles and torque capacity take priority\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 2 Cerametallic – Thick Disc (15951HD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15951HD\u003c\/td\u003e\n\u003ctd\u003eThick cerametallic disc. Aggressive, with added thermal mass.\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003ctd\u003eHard street\/track use where repeated heat cycles and torque capacity take priority\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSelection Notes\u003c\/h3\u003e\u003cp\u003eThe variants offered for 2004–2014 Impreza \/ 2006–2009 Legacy \/ 2015–2019 WRX STI (Subaru) are not cosmetic choices: each changes friction behavior, thermal capability, clamp-load strategy, or plate count. Match the selection to actual engine torque, tire grip, vehicle weight, launch frequency, and street-versus-track duty rather than simply choosing the most aggressive option.\u003c\/p\u003e\u003ch3\u003eTechnical Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp Load:\u003c\/strong\u003e Stage 1\/2 covers are designed around roughly 40% higher clamping load than the genuine part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedal Effort:\u003c\/strong\u003e Typical Stage 1\/2 increase is approximately 20–35%, application dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Compatibility:\u003c\/strong\u003e Stage 1\/2 generally use the OEM flywheel unless noted; Hyper systems include\/require their dedicated flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e EXEDY Stage 1, Stage 2 and Lightweight Flywheel products are SFI 1.1 certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Application:\u003c\/strong\u003e 2004–2014 Impreza \/ 2006–2009 Legacy \/ 2015–2019 WRX STI (Subaru)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEXEDY SKUs:\u003c\/strong\u003e 15951HDP4, 15951P4, 15951, 15951HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplication-specific construction notes:\u003c\/strong\u003e Cerametallic friction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Because clutch fitment is sensitive to transmission and flywheel changes, verify the complete vehicle configuration before purchase. Modified swaps or previously converted flywheel systems may require a different EXEDY part than a stock vehicle.\u003c\/p\u003e","brand":"EXEDY","offers":[{"title":"Stage 2 Cerametallic (15951HDP4)","offer_id":50131323388154,"sku":"EXE15951HDP4","price":917.45,"currency_code":"USD","in_stock":true},{"title":"Stage 2 Cerametallic (15951P4)","offer_id":50131323420922,"sku":"EXE15951P4","price":982.7,"currency_code":"USD","in_stock":true},{"title":"Stage 2 Cerametallic – Thick Disc (15951)","offer_id":50131323453690,"sku":"EXE15951","price":851.08,"currency_code":"USD","in_stock":true},{"title":"Stage 2 Cerametallic – Thick Disc (15951HD)","offer_id":50131323486458,"sku":"EXE15951HD","price":785.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/29d894b7ad84f0eac8a7c26f0f077168.jpg?v=1745367683","url":"https:\/\/lgcracing.com\/products\/exedy-performance-clutch-kit-2004-2014-impreza-2006-2009-legacy-2015-2019-wrx-sti-subaru","provider":"Legacy Racing","version":"1.0","type":"link"}