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  See more parts for Alfa Romeo Giulia
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Forza Componenti B4 Model Exhaust Controller - Forza-B4
Forza Componenti B4 Model Exhaust Controller - Forza-B4 - Image 5 Forza Componenti B4 Model Exhaust Controller - Forza-B4 - Image 2 Forza Componenti B4 Model Exhaust Controller - Forza-B4 - Image 3 Forza Componenti B4 Model Exhaust Controller - Forza-B4 - Image 4 Forza Componenti B4 Model Exhaust Controller - Forza-B4 - Image 5
The Model B4 controller is a 3-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 Model B4 is identical to the predecessor, the Model B3, with the additional feature to be able to configure the default setting at start-up. You can choose the Normal or Always Open mode at vehicle start. The Forza Exhaust Bypass Valve Controller provides three different operational modes ? all three modes can be selected using the included remote transmitter or a manual On/Off switch.
  1. Normal Mode: In this mode, the vehicle controls the operation of the exhaust bypass valves. This is the stock operation. You can choose this as your start-up mode.
  2. Always Open: Selecting this mode will force the exhaust bypass valves to the open position ? and remain open. When the valves are Always Open, you have the full experience of hearing your engine exhaust at any time. You can also choose as your start-up mode.
  3. Always Closed: Selecting the Always Closed mode will force the exhaust bypass valves to remain closed at all times. This overrides the ECU control which opens the valves at predetermined engine and vehicle speeds. This mode is especially useful to ensure that your vehicle is as quiet as possible. Note: With this option, you can force the valves to stay in the closed position at all times. This feature was added at the request of people who track their cars at locations with strict noise standards and did not want the vehicle ECU to open the valves at high engine RPM. This mode cannot be chosen as your start-up mode.
lug-and-Play 100% Reversible The kit is completely plug-and-play. Power for the controller comes from the existing connector to the car's exhaust bypass vacuum solenoids, and no wiring modification are required because the kit includes connector cables for the vacuum solenoids. 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 smaller size makes it easier to find a suitable location to install the controller, unplug the vacuum solenoids, connect the included cables and route the cables to the controller. 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.

Specifications:
  • Completely self contained controller box
  • User configuration to use either the remote control key fob or use a manual on/off switch
  • Approved by FCC, CE and all international governing bodies
  • Always Closed option can be used to keep the valves closed at all times
  • All internal components integrated on Printed Circuit Board for higher reliability
  • No Check Engine Lights (CEL) or Diagnostic Test Codes (DTC)
  • Cables assembled using water and oil resistant flexible cord - 18 AWG stranded Class K copper conductors per ASTM B-174.
  • Cable is 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 external antenna for improved remote control performance
  • Kit includes full installation instructions
  • Kit 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 transmitter used by Forza.


Notes :
  • See Image for Controller Compatibility Matrix
  • Ferrari (various models see matrix), Audi, BMW, Lamborghini, Maserati
  • Not Ferrari 488 Pista or Portofino
  • Always closed not functional on Alfa Romeo, Ferrari F355/550/575M
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2017-2025
 Alfa Romeo Giulia
2017-2025
 Alfa Romeo Stelvio
2016-2024
 Audi R8
2017-2023
 Audi RS4
1994-1999
 Ferrari 355
1999-2005
 Ferrari 360
2013-2015
 Ferrari 458 Speciale
2011-2015
 Ferrari 458 Spider
2015-2021
 Ferrari 488 GTB
2019-2021
 Ferrari 488 Pista
2020-2021
 Ferrari 488 Pista Spider
2016-2021
 Ferrari 488 Spider
1996-2006
 Ferrari 550/575
2006-2012
 Ferrari 599
2004-2011
 Ferrari 612
2020-2024
 Ferrari 812 GTS
2017-2022
 Ferrari 812 Superfast
2008-2014
 Ferrari California
2015-2018
 Ferrari California T
2013-2017
 Ferrari F12 Berlinetta
2018-2020
 Ferrari GTC4Lusso T
2019-2022
 Lamborghini Aventador
2009-2013
 Lamborghini Gallardo
2017-2019
 Lamborghini Huracan
2001-2010
 Lamborghini Murcielago
2010-2019
 Maserati GranCabrio
2007-2019, 2024-2025
 Maserati GranTurismo

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