Model B4-FP / A Exhaust Controller
Similar to the Model B4-FP, the B4-FP / A controller is a 2-way exhaust controller that is designed for installation in extreme environments as one would encounter in the engine bay of high performance sports cars. The B4-FPa is specifically designed for use in motor cars with a single vacuum solenoid valve such as the the Lamborghini Aventador SVJ, the Lamborghini Huracan Tecnica, and other motor cars with very sensitive vacuum control technologies. The installation kit includes one additional vacuum control valves so that the electrical circuit for the controller is completely segregated from the circuit controlling the existing vacuum control valves. This design allows control of the exhaust bypass valves without any error conditions or trouble codes. And you can choose the Normal or Always Open mode at vehicle start. The controller provides two modes of operation:
Normal Mode: The vehicle controls operation of the exhaust bypass valves. This is the stock mode.
Always Open Mode: Forces the valves to remain open at all times, overriding the vehicle's ECU.
Please read in the additional info (below) disclaimers in the vehicle compatibility section.
Note: Due to supply chain differences, the controller may ship with a different style remote fob than depicted.
Similar to the Model B4-FP, the B4-FP / A controller is a 2-way exhaust controller that is designed for installation in extreme environments as one would encounter in the engine bay of high performance sports cars. The B4-FPa is specifically designed for use in motor cars with a single vacuum solenoid valve such as the the Lamborghini Aventador SVJ, the Lamborghini Huracan Tecnica, and other motor cars with very sensitive vacuum control technologies. The installation kit includes one additional vacuum control valves so that the electrical circuit for the controller is completely segregated from the circuit controlling the existing vacuum control valves. This design allows control of the exhaust bypass valves without any error conditions or trouble codes. And you can choose the Normal or Always Open mode at vehicle start. The controller provides two modes of operation:
Normal Mode: The vehicle controls operation of the exhaust bypass valves. This is the stock mode.
Always Open Mode: Forces the valves to remain open at all times, overriding the vehicle's ECU.
Please read in the additional info (below) disclaimers in the vehicle compatibility section.
Note: Due to supply chain differences, the controller may ship with a different style remote fob than depicted.
Similar to the Model B4-FP, the B4-FP / A controller is a 2-way exhaust controller that is designed for installation in extreme environments as one would encounter in the engine bay of high performance sports cars. The B4-FPa is specifically designed for use in motor cars with a single vacuum solenoid valve such as the the Lamborghini Aventador SVJ, the Lamborghini Huracan Tecnica, and other motor cars with very sensitive vacuum control technologies. The installation kit includes one additional vacuum control valves so that the electrical circuit for the controller is completely segregated from the circuit controlling the existing vacuum control valves. This design allows control of the exhaust bypass valves without any error conditions or trouble codes. And you can choose the Normal or Always Open mode at vehicle start. The controller provides two modes of operation:
Normal Mode: The vehicle controls operation of the exhaust bypass valves. This is the stock mode.
Always Open Mode: Forces the valves to remain open at all times, overriding the vehicle's ECU.
Please read in the additional info (below) disclaimers in the vehicle compatibility section.
Note: Due to supply chain differences, the controller may ship with a different style remote fob than depicted.
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Plug-and-Play ... 100% Reversible
The kit is completely plug-and-play. Power for the controller comes from the vehicle's fuse box. A fuse tap is included to obtain power so no wiring modifications are required. Since no modification are required to install, if you ever want to remove the controller the installation is 100% reversible.
Start-up option user configurable for Always Open or Normal Mode (ECU Control).
Simplified installation is straight forward. The small size makes it easy to find a suitable location to install the controller.
Locate and install the included new vacuum control valve.
Attach the included new vacuum hoses.
Connect the control cables to the new vacuum control valve and the controller module.
Connect to the power source.
Once installation is complete, you use one button on your remote transmitter to open the exhaust bypass valves and the other button to close the valves and return control to the car ... and, you also have the ability to configure a manual on/off switch that you can mount inside your vehicle.
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Lamborghini
Aventador SVJ
Huracan Tecnica (newer 2024 models)
Other Vehicles
Contact us for compatibility with other vehicles not listed above.
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All Forza exhaust controller have the following specifications:
Completely self contained controller box.
User configuration to use either the remote control key fob or a manual on/off switch.
Approved by FCC, CE and all international governing bodies.
All internal components integrated on Printed Circuit Board for higher reliability.
No Check Engine Lights (CEL) or Diagnostic Trouble Codes (DTC).
Cables assembled using water and oil resistant flexible cord - 18 AWG stranded Class K copper conductors per ASTM B-174. Rated SJEEOW for severe outdoor service with TPE insulation rated to 105° C. Type SJEOOW cords are ideal for flex applications in harsh high temperature environments where highest degree for water and oil resistance and extended service life are essential.
All electrical cables use weatherproof connectors.
High-gain antenna for improved remote control performance.
Includes full installation instructions.
Includes two remote control transmitters ... additional transmitters available.
Remote control can be programmed to newer versions of HomeLink (version 5 and higher) that is integrated into many cars. Older versions of HomeLink (earlier than 2013) will not support the 433MHz frequency of the remote.
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Controller module with two remotes. Extra remotes available.
One Pierburg vacuum control valves (same as original equipment on vehicle)
One 120 cm connection cable.
Two stainless steel cable ties to secure the new vacuum solenoid valves.
Silicone vacuum tubing (60 cm) and two barbed coupling fittings.
Fuse tap and wiring.
Two strips 3M Dual Lock Reclosable Fasteners.
Full installation instructions.