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This can be done by your Hayman Reese distributor. For all older Weight Distribution Systems a melting tab is required to be welded to the head. This action causes a reduction in the low frequency noise of the exhaust gas pulsations. The Helmholtz tuner operates on the theory that when sound waves pulse through a constricted area into a large closed area, the sound energy will be reduced. The Friction Sway controller manages sway by using friction material, (similar to what is used in modern disk brake pad) and a sliding bar with an adjustable lever to regulate the movement of the trailer.Īll current Weight Distribution System heads come with a mounting tab to enable use of this sway controlling device. There is one variation of reactive sound control that provides us with a device that reduces low frequency exhaust noise, the Helmholtz tuner. Sway controllers are not suitable for use with trailers fitted with older surge or override trailer braking systems Hayman Reese sway controllers are designed to be used in conjunction with a weight distributing systems and prevent trailer sway by restricting and damping the movement between the tow hitch and the trailer. But most commonly it is caused by strong winds and wind buffets from large vehicles such as trucks.Ĭomplete sway control can be obtained by fitting a Hayman Reese Friction sway controller. Trailer sway can be influenced by poor weight distribution, tyre pressure, towing speed and suspension.
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– Official Distributor of Squadra Tuning in the US.Trailer sway is one of the most common concerns for those who tow.Important for this product to work- SEE BELOW for SGW Bypass – NOTE: 02/2018 manufacturer date and up will need SGW bypass Module.– Much easier installation of Exhaust controller.In that case our SGW bridge can be mounted. When a SGW firewall is present, the dongle does not work. They are operated via CAN-bus for complete integration to the car. This allows the dongle to remain connected for several weeks without any problems. The Active Sound Control Milltek exhaust system is universal to almost all modern cars. About 1 minute after the ignition is switched off, it goes into sleep mode to minimize power consumption to 24 mA. The dongle is designed to be able to sit semi permanently. When the ESC dongle stays in the EOBD port, it remembers the last set position of the outlet valves. On the dashboard, ESC OFF lights up continuously for 3 seconds and the red LED goes out. The red LED on the dongle comes on.Ĭlosing the valves is done in the same way press the button on the gearselector for 2 seconds. On the clock panel, in the speedometer, the ESC light flashes for 3 seconds to indicate that the system is active. The outlet valves are opened by pressing the button on the gear selector for about 2 seconds. The green LED on the ESC dongle comes on and then needs about 4 seconds to start up.
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The ESC dongle is plugged into the EOBD plug next to the steering column under the dashboard. The dongle cannot force the outlet valves to stay closed. So either the dongle opens the exhaust valves or the car does it itself. However, the original control strategy runs parallel.
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With the ESC dongle the outlet valves can be opened under all circumstances. Add to My Wish List Create New Wish List Quick view. In this case, ESC does not stand for Electronic Stability Control, but for Exhaust Sound Control. Exhaust Wrap - Titanium - 6 in Wide - 100 ft Roll - Woven Fiberglass - Carbon Fiber Look - Each. The ESC dongle puts an end to this inconvenience. Outside the car it also sounds strange when the valves open and close again a moment later. This often happens at a time when you actually do not expect it, which causes you a certain amount of shock/unrest. However, the valves will only open at higher engine loads and revolutions. Traction control is present in the other positions of the DNA button, the most in A mode and the least in D mode. That last is missing when driving in R mode. The enthusiastic switching behavior in Race is not always necessary and some backup of the traction control system is often desirable. It is logical that the valves must be permanently open in Race mode, but not everyone always wants to ride in Race to enjoy the sound.
#Exhaust sound control software#
But unfortunately Alfa Romeo software engineers have not thought about when the valves should be open or closed. As soon as they are in the open position, the Ferrari V6 clears a throat that bleaches the late Mr. One of the nicest features of the Giulia Q are the switchable exhaust valves. Quadrifoglio Exhaust Sound Controller, now upgradable when needed. Exhaust Valve Sound Controller (DONGLE PLUG)- Giulia/Stelvio Quad.