Radio Replacement Interface with BOSE Retention to install an Aftermarket Radio for Select 2005-2012 Porsche Vehicles

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The MOST-H.U.R. (Head Unit Replacement) allows the user to install a feature-rich aftermarket radio while retaining the factory amplifier and converting audio signal to the factory fiber optic system. This is the fastest and easiest way to upgrade sound quality and features without performing “major surgery” to the vehicle. The HUR module also provides Vehicle Speed Sense (VSS out), 12v Reverse (out), hand/foot brake (out) and Illumination (out) for convenience.

General Features:

  • Radio Replacement Module
  • For Select 2005-2012 Porsche Vehicles
  • Retains the factory BOSE amplifier and speakers
  • Simple installation
    • 5 wires connect to the vehicle
    • Includes antenna adapter and a MOST fiber optic extension
  • Fully integrates with Kenwood or Alpine stereos to provide:
    • Accessory Power
    • Illumination
    • VSS (Vehicle Speed Sense)
    • Foot and Parking Brake Signals
    • Infrared Steering Wheel Commands
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatibility List:

  • Porsche:
    • 2005 - 2011 Boxster
    • 2006 - 2012 Cayman
    • 2005 - 2012 911
    • 2005 - 2012 997

Compatibility Notes:

  • Only Alpine or Kenwood are officiallysupported for retaining steering wheel controls
  • When adjusting volume is needed (factory amplifier gain control), change in increments of 5
  • Fade control is not available due to factory system limitations.

Check out the NTV-KIT210 Owner's Manual

*Note: If the vehicle does not have the Bose audio system, the speaker connections will need to be hardwired to the factory harness from the original radio. Also, the subwoofer in some vehicles uses a secondary amplifier, which also needs to be directly connected to the aftermarket radio.

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Premium Sound
Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Install a Car Stereo & Retain the Factory OEM Amplifier
Additional Harness Features
The various features that the wiring harness provides to your car stereo and/or audio system.
Chime Retention
Provides Parking Brake & Reverse Signals
Provides Vehicle Speed Sense
Retained Accessory Power (RAP) Retention
Retains Steering Wheel Controls
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Porsche 911
Porsche 997
Porsche Boxster
Porsche Caymen

Premium Harness Features

Factory System Amplification
This refers to the factory sound system and whether the item is compatible with amplified or non-amplified systems.
Compatible Premium Audio Systems
Some vehicles have higher end audio systems installed in them by the manufacturer. This specifies which premium audio systems this item is compatible with.
Premium Bose
Compatible with Aftermarket Navigation Systems
This means that the item is made to work with aftermarket systems with navigation. Typically, this means that the harness has wires that are used with GPS navigation systems, such as VSS wires and others. Please read the product description for full details of this feature.
Chime Retention
This means that the harness is able to retain the vehicles chimes.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: NAV-TV MOST-HUR/997 KIT (NTV-KIT210)

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Radio Replacement Interface with BOSE Retention to install an Aftermarket Radio for Select 2005-2012 Porsche Vehicles


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