P3 Analog Audi TT Mk1 Boost Gauge (8N 1998-2006) - Boost/Vacuum, Dual 0-5V Sensor Inputs, Battery Voltage, Auto-Dim

Audi TT 8N 1998 to 2006 turbo pressure dial with auxiliary sensor inputs

Get the data you actually need on your Mk1 TT with this P3 analog dial. It gives rapid, accurate turbo pressure and manifold vacuum readings with a clean, factory-style look that suits the 8N cockpit. Ideal for road, fast-road and track use, it adds clear feedback for mapped 1.8T cars and still works brilliantly on naturally aspirated setups when paired with suitable senders.

We run this unit in our own builds and our customers consistently praise the clarity, response and tidy integration. If you want a reliable turbo and vacuum display for an Audi TT 1998 to 2006 that also lets you add extra engine data later, this is a superb choice.

What it shows

• Real-time turbo pressure and manifold vacuum via the dedicated plug for the analog pressure sensor connection (yellow, purple, black). Boost tap not included.
• Two auxiliary 0 to 5 volt channels for any linear output sender (brown wire for aux 1, blue wire for aux 2). Perfect for oil pressure, fuel pressure, coolant temperature, intake air temperature, ethanol content or AFR controller output, depending on your chosen sensors. Sensors not included.
• Vehicle voltage display via power and ground (red wire and black wire).
• Automatic night dimming (green wire) when connected to a circuit that comes on with the headlamps and enabled in the configuration menu.

Why enthusiasts choose it

• Fast, steady readings to help spot leaks and confirm turbo health.
• Room to grow with two 0 to 5 volt inputs for future mods and additional data streams.
• Discreet, factory-friendly appearance that complements the TT interior.
• Proven in our workshop and by happy customers who value accuracy and reliability.

Vehicle fitment

Audi TT Mk1 8N, model years 1998 to 2006. Suitable for 1.8T and 3.2 VR6 cars. Works on turbocharged and naturally aspirated engines when installed with the appropriate reference line and any extra sensors you choose.

Installation information

• Not plug and play.
• Requires a vacuum or boost reference line to the engine.
• Wiring needed for power and ground, plus any optional auxiliary inputs.
• Boost tap is not included.

Professional fitting recommended. MJ Modifications offers installation in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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Order today to add clear, accurate pressure and sensor monitoring to your Audi TT 8N and enjoy confident, data-driven driving.