The 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.
In 2004, the Whistling Trumpet was released which emitted a piercing screech when driving aggressively.
The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & 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.
Recommended for Part numbers T9003 & T9503
Part No. 5701
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Unit 3/40 Newton Road (Corner Hallstrom Place) Wetherill Park NSW 2164
Tel: 02 9757 3677
We an Australian business located in Wetherill Park, NSW specialising in New / Used Parts for all JDM & EURO cars and can source absolutely anything from anywhere in the world at very reasonable prices.
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