{"product_id":"sb-gfb-atmosphere-venting-t9460","title":"GFB Atmosphere Venting T9460","description":"VTA T9460 DV+ Performance, Blow Off Valve Sound!\u003cbr\u003e\u003cbr\u003eThe VTA is a performance blow-off valve solution for the Ford Focus RS.\u003cbr\u003e\u003cbr\u003eIf you want sound with your performance (or performance with your sound!), GFBs VTA delivers just that! By combining the proven performance benefits of GFBs ground-breaking DV+ with atmosphere venting, the VTA delivers an aggressive blow-off sound, improved throttle response and boost recovery, as well as superior boost holding and reliability in extreme conditions.\u003cbr\u003e\u003cbr\u003eThe factory diverter valve found on these cars has two distinct issues  reliability, and performance. Oh yeah, it also doesnt make any noise! Heres how the VTA addresses these problems.\u003cbr\u003e\u003cbr\u003eReliability  There are two ways in which the factory diverter valve can fail; the un-reinforced rubber diaphragm can rupture, and the metal valve stem that slides in the plastic cap can stick. In both cases, there is a risk to the turbocharger, as the ECU will attempt to compensate for a boost leak by increasing the wastegate duty cycle, which increases the turbo RPM significantly.  The VTA features CNC machined billet components that last a lifetime and cannot be damaged by high boost pressures or the associated increased charge temperatures.\u003cbr\u003e\u003cbr\u003ePerformance  The factory diverter valve typically operates in only two states  either fully open, or fully closed. When it opens at low boost, or during a partial throttle lift mid-corner, it causes increased lag and a noticeably non-linear boost transition, which is noticeable as a distinct step down in power as you roll off the throttle and the valve opens.  The VTA however allows the piston to open and close progressively in response to the amount of boost pressure present, so it only vents enough air to prevent compressor surge (the primary purpose of a diverter or blow off valve). This helps to smooth out boost transitions, making the throttle response more linear and predictable, and also minimizes lag introduced by the factory diverter valve.\u003cbr\u003e\u003cbr\u003eSound  The VTA, as its name suggests, vents the air to atmosphere for maximum whoosh noise when you lift off the throttle. On the Focus RS, there is no MAF sensor and hence no drivability or fuelling issues when venting to atmosphere.\u003cbr\u003e\u003cbr\u003eKey features:\u003cul\u003e\n\u003cli\u003eTMS Technology for faster boost recovery on gearshift and during throttle modulation\u003c\/li\u003e\n\u003cli\u003eImproved boost holding ability\u003c\/li\u003e\n\u003cli\u003eAtmosphere venting for blow-off sound\u003c\/li\u003e\n\u003cli\u003eSimple, direct bolt-on kits include everything you need to install\u003c\/li\u003e\n\u003cli\u003eManufactured in Australia in accordance with ISO 9001\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003eVTA or DV+?\u003cbr\u003e\u003cbr\u003eDepends if you want sound or not. Both valves are constructed with the same quality materials and valve mechanism, and both offer the same performance and reliability benefits. However, the VTA vents to atmosphere for sound whilst the DV+ recirculates the air to keep it quiet.\u003cbr\u003e\u003cbr\u003eWhy choose a VTA over a BOV spacer?BOV spacers are cheap and they make sound. But thats it. All the inherent performance and reliability issues you get with the factory diverter valve remain, because a spacer doesnt change the factory diverter components or operation method in any way. The VTA improves the operation of the factory diverter valve for sound AND performance.","brand":"Bapcor","offers":[{"title":"Default Title","offer_id":47455629017341,"sku":"SBX-P6888723","price":458.64,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/8396\/7485\/files\/03-1.jpg?v=1777191430","url":"https:\/\/krenbits.com\/products\/sb-gfb-atmosphere-venting-t9460","provider":"Kren Bits","version":"1.0","type":"link"}