{"product_id":"go-fast-bits-gfb5701-whistling-trumpet-for-all-stealth-fx-deceptor-pro-wrx-hybrid-blow-off-valves","title":"Go Fast Bits GFB5701 Whistling Trumpet For All Stealth Fx Deceptor Pro \u0026 Wrx Hybrid Blow-Off Valves","description":"\u003cp\u003eYou asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is.\u003c\/p\u003e\u003cp\u003e5702-image-1The ability to change the sound of a blow-off valve is increasingly becoming an important issue with buyers, who want to sound different from everyone else.\u003c\/p\u003e\u003cp\u003eIn 2004, the Whistling Trumpet was released which emitted a piercing screech when driving aggressively.\u003c\/p\u003e\u003cp\u003eThe 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 \u0026amp; T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the trumpet – Respons valves will typically not generate the velocity required to whistle when set to 50\/50 venting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRecomme nded for Part numbers T9003 \u0026amp; 9503\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Go Fast Bits","offers":[{"title":"Default Title","offer_id":44876174557495,"sku":"GFB5701","price":67.1,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/82764.jpg?v=1780371836","url":"https:\/\/enginemaster.com.au\/products\/go-fast-bits-gfb5701-whistling-trumpet-for-all-stealth-fx-deceptor-pro-wrx-hybrid-blow-off-valves","provider":"Engine Master","version":"1.0","type":"link"}