Vacuum throttle is a regulator of exhaust gas flow. The function of the throttle is to overlap the direct flow line and the gas flow direction through the additional silencer. This allows the sports exhaust system to work in a quieter and more comfortable sound mode. The throttle is always in a closed state; the valve opens when the discharged air is delivered. Advantages of the vacuum throttle over electronic analogs:
- more reliable and durable design
- the overlap speed is 2 times faster
- more compact and esthetically attractive body
The control kit (item number 0813), designed for 1-2 throttles, is sold separately.
Compatibility
Characteristics
Vacuum throttle is a regulator of exhaust gas flow. The function of the throttle is to overlap the direct flow line and the gas flow direction through the additional silencer. This allows the sports exhaust system to work in a quieter and more comfortable sound mode. The throttle is always in a closed state; the valve opens when the discharged air is delivered. Advantages of the vacuum throttle over electronic analogs:
- more reliable and durable design
- the overlap speed is 2 times faster
- more compact and esthetically attractive body
The control kit (item number 0813), designed for 1-2 throttles, is sold separately.
BMW e90 Sports Exhaust Project. Regular or Direct Flow - who win?
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