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  • Look

    Your bike should look the way you feel as a rider. Whether you choose the right screen, levers, huggers or footpegs, the bike begins to reflect your own personality the way you like things to look, the pride you take in your machine, and the image you carry on the road. Cleaner lines, a shape that suits your taste, and a stance that matches the way you see yourself as a biker.

  • Sound

    The sound is the essence of your bike — and how it makes you feel when you ride it. The right silencer doesn’t just change the noise; it gives the bike a voice that matches its owners character. That deeper tone, the smoother pulse, the way it settles into a rhythm when you roll off… it all adds to the connection you feel with the machine.

  • Perform

    Performance is that feeling of being at one with your bike the moment you open the throttle. The last purchase made that connection sharper — cleaner pull, quicker reaction and a more willing surge as the revs build. It’s the confidence you feel when the bike flows with you through the S-bends, matching every input and settling exactly where you want it.

Why buy from us?

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QD X-DB Sound Controller

About this collection

Product Overview

Take control of your motorcycle's exhaust sound with the QD X-DB Exhaust Sound Controller. This electronic exhaust valve modulation system allows riders to adjust exhaust valve positioning through a convenient handlebar-mounted control panel.

Designed to interface with the motorcycle's original electrical wiring, the QD X-DB retains the factory exhaust valve, servomotor and operating cables. With five selectable valve positions, riders can customise exhaust sound characteristics and valve behaviour.

Choose Your Motorcycle Manufacturer

Explore the QD X-DB range for Aprilia, Ducati and MV Agusta motorcycles. Select your manufacturer below and choose the correct model-specific version.

· Aprilia – Tuono V4 and RSV4 Euro 5
· Ducati – Hypermotard, Panigale, Streetfighter, Multistrada, Superbike and Monster
· MV Agusta – Brutale, Dragster, F3 and Turismo Veloce

Five-Stage Exhaust Valve Control

The QD X-DB provides five selectable exhaust valve positions: fully closed, three intermediate settings and fully open.

· Green button – Press once to open the valve one step
· Red button – Press once to close the valve one step
· Hold green for two seconds – Fully opens the valve
· Hold red for two seconds – Fully closes the valve

Key Features & Benefits

· Electronic exhaust valve modulation system
· Five selectable exhaust valve positions
· Convenient handlebar-mounted control panel
· Retains the original exhaust valve, servomotor and operating cables
· Interfaces with the motorcycle's original electrical wiring
· Built-in Exhaust Servo Eliminator (ESE) on selected versions
· Motorcycle-specific wiring harness for installation

What's Included?

· Motorcycle-specific wiring harness
· Electronic management interface
· Handlebar-mounted switch panel

Compatibility & Important Information

Choose the correct QD X-DB controller for your motorcycle's manufacturer, model and emissions specification. ESE functionality varies between versions. Please check the individual product listing before ordering.

WARNING: This product is NOT APPROVED for road use. Fitting it invalidates the vehicle's approval. Its use is the user's responsibility.

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