GFB Whistling Trumpet (suits all valves)

GFB Whistling Trumpet (suits all valves)The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost and RPM is required to get the whistle from a 5701), and at a slightly higher pitch.? Like the 5701 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.

2019-2020 Kawasaki KFX50 Base 2003-2006 Kawasaki KFX80 Base 2007-2017

1987-1991 Ford E-250 Econoline Custom 1983-1997 Ford E-250 Econoline XL 1980-1982

Year Make Model Submodel 1973-1977

8 R-Spec 2013 Hyundai Genesis Coupe 3

5 +12 5x114

0 Liter S6S37BZ

this system can easily be adapted to a round boot-in MAF sensor with additional couplers and clamps

2024-2026 Subaru BRZ TS 2014-2018 Subaru Forester 2

2018 KTM RC 390 Base 2009-2018

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Year Make Model Submodel 1987-1989 Mercedes-Benz 260E Base 1988-1993 Mercedes-Benz 300CE Base 1987 Mercedes-Benz 300D Base 1986-1993 Mercedes-Benz 300E Base 1995 Mercedes-Benz E300 Base 1994-1995 Mercedes-Benz E320 Base

The stroke is set at 1