{"product_id":"gfb-whistling-trumpet-only-for-stealth-fx-and-wrx-hybrid","title":"GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 5701\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\u003eThe 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","brand":"Go Fast Bits","offers":[{"title":"Default Title","offer_id":51774897389880,"sku":"G004 5701","price":40.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-43352-4824794-square.webp?v=1782799493","url":"https:\/\/store.motormia.co\/products\/gfb-whistling-trumpet-only-for-stealth-fx-and-wrx-hybrid","provider":"MOTORMIA","version":"1.0","type":"link"}