{"product_id":"mazdaspeed-3-6-cst4-turbocharger-1","title":"Mazdaspeed 3\/6 CST4 Turbocharger","description":"\u003ch3\u003eSince 2015, the Mazdaspeed 3 Drop-In Turbo has been one of the best performance upgrades for the platform.\u003c\/h3\u003e\n\u003cspan\u003eProven by thousands of community members, the CST4 is a perfect fit for the mildly modified Speed 3 and Speed 6 using stock fueling up to budget built engines with FBO and auxiliary fueling. Replace your KO4 with the easiest and most complete performance turbo for the Mazdaspeed and have room to grow to 450whp capabilities with the CST4.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe CST4 features a MHI Journal Bearing CHRA, OEM Fit Compressor Cover, and choice between 0.66 A\/R Internal Wastegate or 0.82 External Wastegate Turbine Housings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe CST4 external wastegate turbine housing is designed for 44mm EWGs \u003c\/span\u003e\u003ca href=\"https:\/\/corksport.com\/tial-mazdaspeed-3-and-mazdaspeed-6-mv-r-wastegate.html\/\" title=\"Mazdaspeed3 Tial Wastegate\" target=\"_blank\"\u003e(Tial is a great option)\u003c\/a\u003e\u003cspan\u003e w\/included EWG elbow pipe \u0026amp; V-band clamp.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIncludes a FREE CorkSport 3.5 bar MAP sensor for accurate boost pressure up to 37psi.\u003c\/span\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv data-ca-lazy-video-url=\"https:\/\/www.youtube.com\/embed\/EL6ufo2vdOU?rel=0\u0026amp;showinfo=0\u0026amp;autoplay=1\" class=\"cp-lazy-video\"\u003e\u003cimg class=\"cp-lazy\" src=\"https:\/\/img.youtube.com\/vi\/EL6ufo2vdOU\/maxresdefault.jpg\" title=\"Mazdaspeed 3 turbocharger upgrade\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"Mazdaspeed Mistu 18G turbocharger upgrade\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/Mazdaspeed-3-18g-turbo.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eDrop In Performance:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDon’t let the size fool you; the CST4 packs a punch for such a compact and OE fitment package. From full bolt ons to fully built with auxiliary fueling, the CST4 will support power from 250-450whp while maintaining quick spool and great transient response between shifts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"a better Mazdaspeed 3 turbo than the BNR S3 turbocharger\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/Mazdaspeed-CST4-EWG.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eStock Flange Fitment:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe CorkSport CST4 was designed with simplicity and bang for the buck power in mind. Maintaining the OEM compressor inlet size means you can use any intake on the market designed for the stock K04. Same goes for the turbine side with OEM flanges for compatibility with your OE fit downpipe and exhaust manifold.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"MPS3 Turbo Upgrade\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/mazdaspeed-billet-turbo-wheel.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eBillet Compressor:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUtilizing a custom MHI 18G billet compressor wheel, the CST4 can efficiently support 50 lbs\/min flowrate and boost pressures to 30psi. Compared to cast counterparts, modern forge milled wheels provide higher boost thresholds, improved response, and increased efficiency to get more power form a small package.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"how to get a 400hp Mazdaspeed 6\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/Mazdaspeed6-turbo-turbine.JPG\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eHigh Flow Turbine:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePaired with the compressor wheel is an MHI TD05H high flow turbine wheel. This wheel uses a 9-blade design which reduces overall rotating mass and thus improves response and spool.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"Better performance Mazdaspeed 3 turbo over the BNR S3\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/best-turbo-for-mazdaspeed.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eHigh Performance CHRA:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMHI Journal bearing CHRA housings are used for both the CST4 and CST5 turbochargers for their increased cooling capacity and proven reliability.\u003cbr\u003eHigh performance journal bearings and a 360 degree high performance thrust bearing is used.\u003cbr\u003eComparing the compressor and turbine wheels, we have a wheel size ratio of 1:21.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"CNC Billet Speed3 Wastegate Actuator\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/Mazdaspeed-turbo-wastegate-actuator.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eBillet Wastegate Actuator:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOne-off billet actuator is used for the CST4 so you can operate the turbocharger in bleed mode for the OE EBS or in interrupt mode with the CorkSport EBCS for increased boost control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"Mazdaspeed 3 turbo installation hardware\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/Mazdaspeed-drop-in-turbo-hardware-kit-cst4.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eAll Hardware Included:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe CST4 comes will all the necessary hardware for installation saves you time and money on gaskets, studs, and the specialty parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"product_body\"\u003e\n\u003cimg alt=\"MPS3 turbocharger upgrade\" src=\"https:\/\/corksport.com\/images\/Mazdaspeed\/Mazdaspeed-turbo-upgrade\/MPS3-EWG-turbo-Kit.jpg\" class=\"product_body_right cp-lazy\"\u003e\n\u003ch3\u003eChoose your Boost Control:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDo you want an easy to use Internal Wastegate setup or an External Wastegate setup and screamer pipe? You decide with the CST4!\u003cbr\u003eInternal Wastegate setup includes the 0.66 A\/R IWG turbine housing and IWG Actuator.\u003cbr\u003eExternal Wastegate setup includes the 0.82 A\/R EWG turbine housing and V-Band Clamp \u0026amp; Elbow designed for 44mm EWGs. (EWG and Screamer Pipe Not Included).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDon’t worry, if you want to change your setup from IWG to EWG later you can.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\u003ccenter\u003e\n\u003cdiv class=\"product_body install_instructions\"\u003e\n\u003ch2\u003eCheck Out the External Wastegate Development Blogs Below\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDoes your Mazdaspeed need an EWG:\u003c\/h3\u003e\n\u003ca alt=\"Mazdaspeed 3 EWG Options\" href=\"https:\/\/corksport.com\/blog\/mazdaspeed-ewgs-made-easy\/\" target=\"_blank\"\u003e\u003cimg class=\"cp-lazy\" alt=\"Click To View\" height=\"50\" width=\"305\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/CorkSport-Button-Click-To-View.jpg\"\u003e\u003c\/a\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eExternal Wastegate Testing:\u003c\/h3\u003e\n\u003ca alt=\"Mazdaspeed 6 IWG vs EWG testing\" href=\"https:\/\/corksport.com\/blog\/testing-corksport-external-wastegate-housing-for-mazdaspeed\/\" target=\"_blank\"\u003e\u003cimg class=\"cp-lazy\" alt=\"Click To View\" height=\"50\" width=\"305\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/CorkSport-Button-Click-To-View.jpg\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/center\u003e\u003cimg alt=\"Additional Features\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Images\/CS-Website-Refresh-Product-Subhead-Features.jpg\" class=\"product_body cp-lazy\"\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2006-2013 DISI MZR found in the Mazdaspeed 3\/6 \u0026amp; CX-7.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned in America:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein Vancouver, Washington, in the Pacific Northwest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorkSport Service \u0026amp; Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 year limited warranty, full color installation instructions, all necessary components, and knowledgeable telephone support at (360) 260-2675.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cspan color=\"red\" style=\"color: red;\"\u003e\u003cimg src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Images\/CS-Website-Refresh-Product-Subhead-Advisory.jpg\" class=\"product_body cp-lazy\"\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded HPFP Internals and COBB AP\/Tune is required with this product.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuxiliary fueling required for peak power operation of this turbocharger.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSome aftermarket downpipes will NOT clear the EWG elbow that is included with the CorkSport EWG Turbocharger.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEWG variant designed for Tial 44mm or equivalent external wastegates (not included but available).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExternal wastegate is NOT included with turbo. Did we mention it is not included, because it is not.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEWG dumptube\/screamer pipe is NOT included with turbo but can be added as an option.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003cdiv class=\"product_body install_instructions\"\u003e\n\u003ch3\u003eHow To Install Your Mazdaspeed 3 and Mazdaspeed 6 Upgraded Turbocharger\u003c\/h3\u003e\n\u003cp\u003eIt will take you 5 hours to install the CorkSport Mazdaspeed CST4 with our easy-to-use instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"install_icons\"\u003e\n\u003cimg class=\"cp-lazy\" title=\"5 Hour Install Time\" alt=\"5 Hour Install Time\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/New%20Icons%20-%2010-2017\/CS-Website-Refresh-Product-Icon-5HR.png\"\u003e\n\u003cp\u003e5 Hour Install Time\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan\u003e \u003c\/span\u003e\n\u003cdiv class=\"install_icons\"\u003e\n\u003cimg class=\"cp-lazy\" title=\"Difficulty: 4\/5\" alt=\"Difficulty: 4\/5\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/New%20Icons%20-%2010-2017\/CS-Website-Refresh-Product-Icon-Difficulty4.png\"\u003e\n\u003cp\u003e4\/5 Difficulty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan\u003e \u003c\/span\u003e\n\u003cdiv class=\"install_icons\"\u003e\n\u003cimg class=\"cp-lazy\" title=\"1-Year Warranty\" alt=\"1-Year Warranty\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/New%20Icons%20-%2010-2017\/CS-Website-Refresh-Product-Icon-Years1.jpg\"\u003e\n\u003cp\u003e1-Year Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan\u003e \u003c\/span\u003e\n\u003cdiv class=\"install_icons\"\u003e\n\u003cimg class=\"cp-lazy\" title=\"No CEL\" alt=\"No CEL\" src=\"https:\/\/corksport.com\/public_html\/Product%20Listings\/_Product%20Listing%20Icons\/New%20Icons%20-%2010-2017\/CS-Website-Refresh-Product-Icon-CELno.png\"\u003e\n\u003cp\u003eNo CEL\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/center\u003e\n\u003cdiv\u003e\u003ccenter\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/corksport.com\/support\/instructions\/GEN-6-777-WEB.pdf\" title=\"Mazdaspeed3 Big Turbo Installation Instructions\" onclick=\"ga( 'send', 'event', { eventCategory: 'View Instructions', eventAction: 'click', eventLabel: 'GEN-6-777-WEB.pdf'});\" target=\"_blank\"\u003e\u003cimg class=\"cp-lazy\" height=\"50\" width=\"305\" alt=\"View Instructions\" src=\"https:\/\/corksport.com\/Product%20Listings\/_Product%20Listing%20Icons\/install_instructions_button3.jpg\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/center\u003e\u003c\/div\u003e","brand":"Corksport","offers":[{"title":"No (not needed for IWG) \/ IWG","offer_id":39491052601499,"sku":null,"price":1054.0,"currency_code":"USD","in_stock":true},{"title":"No (not needed for IWG) \/ EWG","offer_id":39491052634267,"sku":null,"price":1054.0,"currency_code":"USD","in_stock":true},{"title":"Yes (Easier Install) \/ IWG","offer_id":39491052667035,"sku":null,"price":1107.0,"currency_code":"USD","in_stock":true},{"title":"Yes (Easier Install) \/ EWG","offer_id":39491052699803,"sku":null,"price":1107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/0807\/2548\/products\/2021-03-2116_47_44-CompatWindow.png?v=1616363312","url":"https:\/\/store.ossmotorsport.com\/products\/mazdaspeed-3-6-cst4-turbocharger-1","provider":"OSS Motorsport","version":"1.0","type":"link"}