Rolls Royce Cullinan - Sport Exhaust with Sound Architect™ (2025 on)

RS378S

£4,440.00

SOUND ARCHITECT™

Electronic/Pneumatic Valves - Retains OEM (in-car) functionality

Our active valve sport exhaust systems contain two separate gas paths, and an electronic or pneumatic flap-valve that decides which path is taken. Both have two distinct levels of sound and are slightly louder than stock. With the valves closed, the system takes on a more civilised note and when they’re open, you’re given a sporty note throughout the rev range.

These valves are integrated into the car’s existing controls and function depending on the ECU mapping. This can then be further manipulated either with the dedicated exhaust button or by switching the driving modes.

DETAILS

QuickSilver's Cullinan Exhaust takes the Cullinan from silent to sporty with a defined V12 soundtrack.

QuickSilver's Titan Exhaust is a titanium / stainless hybrid; with the lightweight titanium silencer producing a warm resonance, favouring transients in the upper formant. The 3" stainless tubing provides the powerful low end punch. The combination produces a sports exhaust with a fantastic dynamic range.

QuickSilver's Sound Architect valves add the finishing touch, allowing the owner to switch the valves between 100% open or closed at the touch of a button on our new standalone key fob.

SOUND ARCHITECT™ - ACTIVE VALVES

Sound Architect® Remote Valve Control by QuickSilver

The new QS Sound Architect® remote valve control system gives you full command of the sound. Our push-button fob can be mounted within the vehicle or used outside the vehicle if desired.

Its binary functionality offers two distinct sounds to suit your environment. Our default ‘Sport’ mode offers the full experience with a deeper robust note and utilises the optimum flow of the exiting exhaust gases. With our ‘Refined’ mode, our exhaust harnesses the tone, offering a more civilised note when, and if it’s required.

Even better is that like our exhausts, this is a simple install. Just feed the valve cables through the spare wheel well to the rear section, plug the power cable into the 12v in the boot, and you’re away!

This style of valve control’s been requested a lot in the past, and we’re excited to finally offer this – the perfect sound is now just a button press away.

KEY FEATURES

• Weight Saving of 5.5KG (OEM 22.5KG QS 17KG)

• Titan Silencer

• Sound Architect Valve Control

• Retains original tips - stealthy aesthetic

• Plug & play 12v power source

• Two fobs

• Sound module

• All required leads and batteries

• Suitable for three pin SPS valves

• Two distinct sound modes, ‘Sport’ and ‘Refined’