{"product_id":"gfb-mach-2-blow-off-valve-subaru-wrx-gdb-sti-gdb-grb-vab-forester-xt-sg-recirculating-1","title":"GFB Mach 2 Blow Off Valve - Subaru WRX (GDB) STI (GDB\/GRB\/VAB) Forester XT (SG) - Recirculating","description":"\u003ch2\u003eGFB Mach 2 Recirculating Plumb Back BOV Blow Off Valve\u003c\/h2\u003e\n\n\u003cp\u003eGFB's Mach 2 is a direct bolt-on replacement for your factory bypass valve, built around GFB's proven TMS technology to help the engine return to peak boost up to 30% faster than the standard diverter valve. If you don't need the adjustable venting bias of the Respons or Deceptor Pro, the Mach 2 delivers the core boost holding and throttle response benefits in a simpler package for your \u003cstrong\u003eSubaru WRX\u003c\/strong\u003e or \u003cstrong\u003eSTI\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the recirculating (plumb back) version for the \u003cstrong\u003eWRX 01-07\u003c\/strong\u003e, \u003cstrong\u003eSTI 01-21\u003c\/strong\u003e (covering \u003cstrong\u003eV1-V10\u003c\/strong\u003e generations), and \u003cstrong\u003eForester XT 06-08\u003c\/strong\u003e. It installs as a straight swap for the factory valve with no extra adaptors or vehicle mods required. Atmosphere venting conversion kits are available separately if you want an audible blow off sound.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Forester XT fitment requires the triangle flange BOV. Diamond flange equipped vehicles will need the T9500 model instead — check your factory BOV flange shape before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% recirculating (plumb back) configuration for factory-like operation\u003c\/li\u003e\n\u003cli\u003eGFB TMS technology for faster boost recovery and improved throttle response\u003c\/li\u003e\n\u003cli\u003eHolds boost pressure well beyond factory limits\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment — no adaptors or modification required\u003c\/li\u003e\n\u003cli\u003eUpgradeable to atmosphere venting via optional conversion kit or hose plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your Subaru's model year and BOV flange type before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if this valve suits your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GFB","offers":[{"title":"Default Title","offer_id":52819710411045,"sku":"T9103","price":244.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/t9103r_3-1_3d314b6b-aee4-4129-a45a-54b72fbcf344.jpg?v=1784526027","url":"https:\/\/www.chicaneaustralia.com.au\/products\/gfb-mach-2-blow-off-valve-subaru-wrx-gdb-sti-gdb-grb-vab-forester-xt-sg-recirculating-1","provider":"Chicane Australia","version":"1.0","type":"link"}