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Bentley Continental Flying Spur W12: breaking its reserve, the exhaust system guide

10 min read

Bentley Continental Flying Spur W12: breaking its reserve, the exhaust system guide

With its 6.0-litre twin-turbo W12 and its 560 hp, the Continental Flying Spur built from 2005 to 2012 combines the refinement of a great Bentley with a reserve of power that is rare for a saloon. Yet its factory exhaust has a clear mission: to silence the twelve cylinders. The following pages set out the ROG exhaust that gives them back their voice, from material to tips, without depriving you of silence when you want it.

Written by ROG Motorsport · Updated

ROG valved exhaust system for Bentley Continental Flying Spur W12

Your ROG exhaust for the Bentley Continental Flying Spur W12

From €3,990 in stainless steel, €4,990 in titanium

Configure my exhaust
Vehicles
Bentley Continental Flying Spur W12 6.0 (2005-2012)
Engine
560 hp · 650 Nm
Exhaust
Valved cat-back, built for your VIN
Material
304 stainless steel or titanium
Valves
ROG remote, or factory control if your vehicle has it
Lead time
20 working days from order confirmation to delivery
Warranty
3 years, parts and workmanship

Closely related versions have their own guide: Bentley Continental GT V8 4.0, Bentley Continental GT W12 6.0, Bentley Continental GT W12 6.0.

The twin-turbo W12: twelve cylinders in four banks under the bonnet of the Flying Spur

The W12 in the Flying Spur combines two narrow-angle VR6 blocks on a common crankshaft, which fits twelve cylinders and 6.0 litres into a remarkably compact unit. Two turbos provide the boost. It produces 560 hp and 650 Nm, with torque that arrives very early and moves the big saloon with disconcerting ease. All-wheel drive puts that force down with no apparent effort.

On such a flexible engine, the exhaust is not about chasing horsepower: it decides the character the car displays. The factory exhaust was designed to hide the W12 behind the comfort of the cabin. The ROG valved exhaust keeps that comfort and adds what Bentley had held back: the muted rumble of the twelve cylinders, available at the touch of a button when the road and your mood are right.

What makes up the exhaust on your Bentley Continental Flying Spur W12

Here is what the ROG exhaust replaces, and where the sound is shaped.

How the exhaust system is laid out From left to right: the engine, then the ROG cat-back with its valved silencer and tips.ROG cat-back: the complete exhaustEngine
Valves closed: the gases pass through the silencer chambers and the car stays composed.Valves open: the gases take the direct route and the engine speaks freely.Schematic only; the actual routing depends on the vehicle.

The cat-back is the complete exhaust system

It is everything you can see under the chassis of your Bentley Continental Flying Spur W12, right through to the tips: pipes, silencer, valves. This is where our research and development is focused, and it is what shapes the sound. It fits without touching the engine or the ECU.

The figures for your Bentley Continental Flying Spur W12

On a modern car, an exhaust system first changes the voice, the breathing and the weight at the rear. Power, on the other hand, comes from an ECU remap.

Power

Factory560 hp
Stage 2656 hp

Torque

Factory650 Nm
Stage 2788 Nm

Published factory and Stage 2 figures.

Our exhaust systems work perfectly with or without an ECU remap. On your Bentley Continental Flying Spur W12, however, we recommend having one done at an approved tuning centre: that is what lets the engine reach its full potential.

Twin-turbocharged and built to handle high torque, the W12 keeps a reserve that a Stage 2 can tap into by working on turbo boost pressure and engine management. Every car responds according to its history and its maintenance. The ROG exhaust fits naturally into this kind of project.

Configuring your exhaust, step by step

3 choices, in the same order as the product page configurator.

  1. Step 1 of 3: Material: stainless steel or titanium

    For your Bentley Continental Flying Spur W12, the exhaust costs €3,990 in stainless steel and €4,990 in titanium.

    304 stainless steel

    3 990 €

    Weight
    Baseline
    Sound
    Full and rounded

    The benchmark for high-end exhausts: tough, corrosion-proof, with a full, rounded sound. The choice of most of our customers.

    Titanium

    4 990 €

    Weight
    Around 40% lighter
    Sound
    Metallic, crystal-clear

    Around 40% lighter than stainless steel for the same design, with a more metallic sound that turns crystal-clear at high revs. Its finish ranges from brushed to blued tints.

    Over time, both hold up: 304 stainless steel stands up to winter salt and damp, and titanium does not rust. Stainless steel or titanium: what really changes.

  2. Step 2 of 3: Valves: ROG remote or factory control

    Two ways to control the valves on your Bentley Continental Flying Spur W12.

    ROG remote

    ROG remote for opening and closing the valves

    A small control unit fits in the boot. Two buttons, open and closed: the valves respond at any moment, whatever the drive mode. Simple to fit, and we stay on hand throughout the installation.

    Factory control

    • Only for vehicles fitted with factory valves
    • Controlled by the drive modes

    If your vehicle is fitted with factory valves, the exhaust keeps their existing control. The drive modes decide, just as they did from the factory, with no added electronics.

    On the motorway, with the valves closed, the gases pass through the silencer, designed for cruising: no drone at a steady speed. You open up when you feel like it, not when the motorway decides for you. More about exhaust drone.

  3. Step 3 of 3: Tips: the visual signature

    Match the tips to the style of your Bentley Continental Flying Spur W12, understated or bold. A particular finish in mind? Send us a photo and we will look at it together.

    • Stainless steel
    • Black
    • Carbon
    • Blued titanium
    Exhaust tips for Bentley Continental Flying Spur W12

The ROG sound signature on the twin-turbo W12

A twelve-cylinder has a voice all its own: a continuous rumble, with no jolts, that rises like a wave rather than in steps. In the standard Flying Spur, that voice stays buried under the silencers, and you hear only a distant murmur, even when you accelerate hard.

With the ROG exhaust and the valves open, the W12 breaks its reserve: a dense bass note on start-up, then a broad, silky rise that accompanies every burst of acceleration. With the valves closed, the saloon regains the discretion expected of a Bentley, to cross a city or cover a long journey in calm.

Valves open and valves closed: the gas path through the ROG silencer
Valves open, valves closed: the path the gases take through the silencer.

From order to fitting

  1. Configuration

    You choose your exhaust and enter your VIN, found in box E of your registration certificate.

  2. Check

    We check compatibility with your VIN before manufacturing begins.

  3. Manufacturing

    Your exhaust is made to order, for your car.

  4. Delivery

    Free in Europe, insured to your door, tracked from dispatch.

  5. Fitting

    No welding or cutting: clamps and gaskets, around two hours on a lift.

20 working days from order confirmation to delivery

Warranty
3 years, parts and workmanship, from the date of delivery
Payment
In instalments with Klarna
Installation
At the garage of your choice

What about the manufacturer's warranty on your Bentley Continental Flying Spur W12? In Europe, a manufacturer cannot refuse warranty cover simply because a part from another brand has been fitted: it has to prove that the fault comes from that part. Our article on the manufacturer's warranty.

Our recommendations for your Bentley Continental Flying Spur W12

And if you are still unsure, that is perfectly normal: it is exactly why we answer the phone.

Bentley Continental Flying Spur W12: your questions

How much power does an exhaust system add to the Bentley Continental Flying Spur W12?

From the factory, the Bentley Continental Flying Spur W12 produces 560 hp and 650 Nm. An exhaust system on its own mainly changes the sound, the breathing and the weight; power is gained with an ECU remap. With a Stage 2 build, the published figures reach 656 hp and 788 Nm.

Stainless steel or titanium: which material for the Bentley Continental Flying Spur W12?

For the Bentley Continental Flying Spur W12, the ROG exhaust costs €3,990 in stainless steel and €4,990 in titanium. 304 stainless steel is tough, rounded in tone and the most popular choice; titanium is around 40% lighter for the same design, with a more metallic sound at high revs.

Is the ROG exhaust on the Bentley Continental Flying Spur W12 loud all the time?

No. With the valves closed, the gases pass through the silencer and the sound stays comfortable. With the valves open, the engine speaks freely. You switch from one to the other at any moment, with the ROG remote or the factory control if your vehicle has it.

Does the Bentley Continental Flying Spur W12 pass the French MOT with a ROG exhaust?

The ROG exhaust replaces the rear part of the exhaust, without touching the engine or the ECU. Present the car with the valves closed: it is the most discreet setting.

How is the ROG exhaust fitted to the Bentley Continental Flying Spur W12?

No welding or cutting, using clamps and gaskets. Allow two hours on average for a well-equipped mechanic. The exhaust is built for your VIN, which guarantees compatibility before it ships.

What does a ROG exhaust for the Bentley Continental Flying Spur W12 cost, and how long does it take?

From €3,990 to €4,990 depending on the configuration. Allow 20 working days from order confirmation to delivery. Free delivery in Europe and a 3-year warranty.

Unsure about your configuration? Give us a call.

Between stainless steel and titanium, between the ROG remote and the factory control, the right choice depends on how you drive and on your Bentley Continental Flying Spur W12. We take the time to talk it through before you order, with a reply within 24 hours. We are not here to sell to you over the phone: we help you choose, even if that means a cheaper option because it suits the way you drive.

RogMotorsport is a French brand built on one conviction: with an exhaust system, the support matters as much as the product. More than 500 exhaust systems fitted and a rating of 4.9 out of 5.

Further reading