{"product_id":"grimmspeed-phenolic-thermal-manifold-spacer-wrx-sti-fxt-lgt-8mm","title":"GrimmSpeed Intake Manifold Phenolic Spacer - 8mm - 2002-14 Subaru WRX, 2004-21 Subaru STI","description":"\u003cp\u003eDo you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emore HP your car will achieve\u003c\/strong\u003e. We present you the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanswer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto this age old problem, raising the intake manifold off the engine with GrimmSpeed's\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePhenolic Intake Manifold\/TGV to Engine Thermal Spacer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePhenolic spacers have been used for years by many other specialized automotive companies, but this is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enew technology to the Subaru world\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWHAT DO PHENOLIC SPACERS DO?\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreatly\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereduces\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe transfer of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eheat\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom engine to intake manifold thus reducing heat soak.\u003c\/li\u003e\n\u003cli\u003eOne-of-a-kind true Phenolic material, not cutting board material like others.\u003c\/li\u003e\n\u003cli\u003eThe cooler your intake temperature is, the denser the air is which leads to more power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor every 5 degree reduction in air temperature, increases power by 1%\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCooler and denser intake air, increases the amount of air that can be mixed with fuel thus increasing efficiency.\n\u003ctable align=\"right\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003e\u003cimg alt=\"GrimmSpeed 3mm Subaru WRX STI Phenolic Thermal Spacer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0743\/3165\/2402\/files\/phenolic_spacer_coldhot_diagram_2.jpg?v=1704988143\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eWhen running a gasket only, your intake manifold gets very hot to the touch, enough to burn your hand. When our gaskets are paired with our Phenolic Spacers, your hand can be placed on the intake manifold without any issues.\u003c\/li\u003e\n\u003cli\u003eWe do recommend using 2 sets of our gaskets, one on both sides of the spacers.\u003c\/li\u003e\n\u003cli\u003eUSA MADE.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHOW DO PHENOLIC SPACERS WORK?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe intake air in your engine travels through the airbox into the turbo, then into the aluminum intake manifold. The air exits the intake manifold and goes directly into the engine.\n\u003ctable align=\"right\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003e\u003cimg alt=\"GrimmSpeed 3mm Subaru WRX STI Phenolic Thermal Spacer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0743\/3165\/2402\/files\/phenolic_spacer_coldhot_diagram_3.jpg?v=1704988139\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhile the intake air is within the intake manifold it picks up a lot of heat from the aluminum intake manifold. This added heat reduces air density thus reducing engine power capabilities.\u003c\/li\u003e\n\u003cli\u003eIn stock form your engine has a steel gasket between the intake manifold and engine which allows the heat from the engine to quickly transfer into the intake manifold. By replacing this steel gasket with the GrimmSpeed Phenolic Spacer and gaskets you are greatly reducing the transfer of engine heat into the intake manifold.\u003c\/li\u003e\n\u003cli\u003ePhenolic Spacers are able to withstand 500+ degrees F. Subaru engines run at the hotter end of operation around 200 degrees F, so the Phenolic Spacer is well within its max running temperature. GrimmSpeed has tested that it is also safe to run race fuel, E85 and methanol with the Phenolic Spacers.\u003c\/li\u003e\n\u003cli\u003eThe Phenolic Spacer will conduct 300-900 times less heat than the oem steel gasket.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTESTING:\u003c\/h3\u003e\n\u003cp\u003eTesting at 1\/2 hour intervals. All testing was conducted fairly in Fahrenheit measurements on ONE day at a consistent outside temperature.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTest #1\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e- OEM measurement from IM without spacers, 152 degrees.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTest #2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e- with 3mm phenolic spacers the temp dropped to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e134 Degrees\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTest #3\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e- With 8mm phenolic spacers the temp dropped to an outstanding\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e108 Degrees!!!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat is an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOVER 44 Degree drop\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith the largest Phenolic Spacers!\u003c\/p\u003e\n\u003ch3\u003eFITMENT:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2002-14 Subaru WRX\u003c\/li\u003e\n\u003cli\u003e2004-21 Subaru STI\u003c\/li\u003e\n\u003cli\u003e2004-13 Subaru Forester XT\u003c\/li\u003e\n\u003cli\u003e2005-09 Subaru Legacy GT\u003c\/li\u003e\n\u003cli\u003e2005-09 Subaru Outback XT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStuds are M8-1.25 X 100MM\u003c\/p\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":46489517195420,"sku":"GRM019001","price":130.2,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.mypartsguy.ca\/products\/grimmspeed-phenolic-thermal-manifold-spacer-wrx-sti-fxt-lgt-8mm","provider":"My Parts Guy MPG Auto","version":"1.0","type":"link"}