{"product_id":"grimmspeed-4-piston-brake-caliper-kit-340mm-rotor-2004-2021-subaru-sti-grm-1170-1-ew9rls","title":"GrimmSpeed 4-Piston Brake Caliper Kit - 340mm Rotor | 2004-2021 Subaru STI (GRM.1170.1)","description":"\u003cdiv id=\"newdescr\"\u003e\n\u003cdiv id=\"newdescrRC\"\u003e\n\u003ch2\u003e4-Piston Brake Caliper Kit - 340mm Rotor for 2004-2021 Subaru STI by GrimmSpeed\u003c\/h2\u003e\n\u003cp\u003eThe stock single-piston caliper found on most Subaru platforms gets the job done — but it wasn’t designed for the kind of aggressive driving, tracking, or build evolution most GrimmSpeed drivers pursue. That’s where Grimmspeeds 4-Piston Brake Caliper Kit comes in.\u003c\/p\u003e\n\u003cp\u003ePurpose-built for Subaru performance, this fixed caliper setup brings balanced stopping power, improved heat management, and consistent pedal feel to your favorite chassis. Designed in-house and tested under real-world conditions, the system offers a true performance solution — with no need to chase down used Brembos or deal with custom brackets.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForged 6061-T6 Aluminum Caliper Body\u003c\/li\u003e\n\u003cli\u003eDual Piston Setup\u003c\/li\u003e\n\u003cli\u003eHeat-Managed Pistons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight Design\u003c\/li\u003e\n\u003cli\u003eCompatible with FMSI D1001 or D968 pads\u003c\/li\u003e\n\u003cli\u003eWorks with commonly available Subaru OEM and STI rotors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"newdescrLC\"\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e2004-2021 Subaru STI\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(2) GrimmSpeed 4-Piston Brake Calipers (choose Red or Gunmetal)\u003c\/li\u003e\n\u003cli\u003e(2) Vehicle-Specific Billet 4140 Steel Caliper Brackets\u003c\/li\u003e\n\u003cli\u003eFull Hardware Kit: Bridge bolts, Banjo bolts, Crush washers, Bleeder dust caps, Caliper guide pins, Security cotter pins, Caliper spring bridges + bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReferences\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0743\/3165\/2402\/files\/GRM11341-2.XXX_GrimmSpeedBigBrake_Kit_InstallGuide_V3.pdf?v=1755726404\" target=\"_blank\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eLimited Manufacturers Warranty\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"clear\"\u003e\u003c\/div\u003e\u003csection data-liuqs-content=\"verified-context\"\u003e\u003cp class=\"site-brand-context\"\u003eListed by \u003cstrong\u003eMaperformance LLC\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"site-context-note\"\u003eFree Shipping on All Orders · New Store Launch Deals End in 14 Days!\u003c\/p\u003e\n\u003cul class=\"verified-product-facts\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e GrimmSpeed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTags:\u003c\/strong\u003e 0407STI, 2004 Subaru WRX STI, 2005 Subaru WRX STI, 2006 Subaru WRX STI, 2007 Subaru WRX STI, 2008 Subaru WRX STI Hatch\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"GrimmSpeed","offers":[{"title":"Red","offer_id":68308107854047,"sku":"GRM.1170.1.RED-GRIMM","price":482.4,"currency_code":"USD","in_stock":true},{"title":"Gunmetal","offer_id":68308107886815,"sku":"GRM.1170.1.GRY-GRIMM","price":482.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/4357\/3215\/files\/23naecnsf4vr_255ac110-1e4f-4356-9ede-c0f227fe509d.jpg?v=1793040184","url":"https:\/\/daddarios.shop\/products\/grimmspeed-4-piston-brake-caliper-kit-340mm-rotor-2004-2021-subaru-sti-grm-1170-1-ew9rls","provider":"Maperformance","version":"1.0","type":"link"}