Valved Exhaust System for Porsche Cayenne Turbo 9YA / 9YB V8 4.0 biturbo (2018-2023)
Configuration
Porsche Cayenne Turbo 9YA / 9YB V8 4.0 biturbo Valved Exhaust System (2018-2023)
Valves
Operated by remote control, factory-paired.
Estimated at 0.50 m from the outlet, 45°, 2,000 rpm with a warm engine. Allow ± 2 dB depending on the engine and measuring point. A 3 dB difference is audible in a direct comparison; 10 dB sounds roughly twice as loud.
Configuration guide
Sound intensity with the valves open, on a scale of 0 to 10.
| Configuration | Intensity |
|---|---|
| Decat downpipe + Rog cat-back | 10/10 |
| 100-cell sports catalytic converter + Rog cat-back | 9/10 |
| 200-cell sports catalytic converter + Rog cat-back | 8/10 |
| Rog cat-back only, factory catalytic converter retained | 7/10 |
| Factory exhaust, for comparison | 3/10 |
The Porsche Cayenne Turbo 9YA / 9YB exhaust in detail.
The Turbo name carries a lot of history at Porsche, and the Cayenne 9YA lives up to it: a 4.0-litre V8 with its two turbos nestled between the cylinder banks, 550 hp and 770 Nm sent to all four wheels, for the 2018 to 2023 model years. This layout shortens the gas path and improves response. The GTS and the Turbo GT have their own page; your VIN lets us check compatibility before manufacturing.
With its turbos at the heart of the engine, this V8 already filters part of its pulses, and the factory exhaust finishes smoothing them out: the characteristic burble of a cross-plane eight-cylinder can only be heard at full load, and barely then. With the valves open, the Rog cat-back delivers a deep start-up, deep-chested acceleration and properly vocal downshifts; with the valves closed, the Cayenne Turbo goes back to being the SUV that is silent on the motorway and discreet in town.
To go beyond sound, the page replaces the catalysed downpipe following the Cayenne Turbo’s turbos under the “Manifold” option. On this turbocharged V8, it is the real power lever, but only with an ECU remap; without one, the gain is in sound and weight, and only the 200-cell version maintains standard emissions control.
Nothing is welded under the Cayenne Turbo: clamps and gaskets, about two hours on a lift, then the valves follow either the factory control or the Rog remote. As for the material, 304 stainless steel for robustness, titanium for around 40% less weight for the same design, in brushed, gold or purple; tips in chrome, gloss black or blued titanium.
Porsche Cayenne Turbo 9YA / 9YB 4.0 V8 biturbo exhaust specifications.
| System type | Valved cat-back (valve exhaust), built to your VIN; fitted with clamps and gaskets, no welding, about 2 hours |
|---|---|
| Vehicles and generation | Porsche Cayenne Turbo (type 9YA) and Cayenne Turbo Coupé (type 9YB), 4.0 twin-turbo V8 |
| Engine | 4.0-litre twin-turbo V8 with turbos between the banks, 550 hp and 770 Nm |
| Years | 2018-2023 |
| Materials and finishes | 304 stainless steel or titanium; titanium in brushed, gold or purple |
| Valves | Factory valve control if the car has it, otherwise the Rog remote |
| Front section (option) | Downpipe with 200-cell or 100-cell catalytic converter, or decat |
| Tips | Chrome, gloss black or blued titanium |
| Manufacturing and delivery | Made to order, 20 working days, free delivery |
| Warranty | 3 years, parts and workmanship |
Questions about the Porsche Cayenne Turbo 9YA / 9YB 4.0 V8 biturbo exhaust.
My Cayenne is a Turbo E-Hybrid 9YA: does this page apply to it?
The page is for the Cayenne Turbo 9YA with the 550 hp 4.0-litre twin-turbo V8, with no hybrid version mentioned in our sources. Send us the VIN: we check what is possible before any manufacturing.
What place for an ECU remap on a Cayenne Turbo 9YA?
It is not needed for the cat-back. With the downpipe, it turns the freed-up flow into power and recalibrates the post-catalyst sensor; as our sources publish differing Stage 2 figures, we do not quote any here.
My fitted Cayenne Turbo 9YA has its vehicle inspection coming up: which configuration?
With the valves closed, the V8 fades away almost as much as from the factory. The factory front section or the 200-cell downpipe keep emissions control; a 100-cell downpipe is accepted or not depending on the vehicle and your country’s rules, and the decat version is reserved for track use.
Why can you hear so little of the standard Cayenne Turbo?
Because its two turbos, nestled in the V, already filter the pulses, and the factory system, designed for the comfort of a family SUV, finishes the job. The Rog system restores that depth when you open the valves.
Does the Cayenne Turbo Coupé 9YB take the same system as the SUV?
Yes. The Cayenne Turbo 9YA and the Cayenne Turbo Coupé 9YB take the same Rog system, with the same 4.0 twin-turbo V8 and the same fitting. The only exception: the centre-exit sports exhaust offered as an option on the Coupé (Lightweight Sports Package); your VIN lets us spot it before manufacturing.
Porsche Cayenne Turbo 9YA / 9YB 4.0 V8 biturbo: Does a valved exhaust system drone?
No. With the valves closed, the gases flow through the whole rear silencer and the cabin stays calm at a steady speed. Our Rog exhausts are designed to avoid drone. Learn more: Why our systems stay calm on the motorway.
Rog expert guide
Porsche Cayenne Turbo 9YA / 9YB V8 biturbo: the SUV with a GT voice, the exhaust system guide
The Cayenne Turbo 9YA carries a name steeped in history at Porsche, and it lives up to it: under the bonnet, a 4.0-litre biturbo V8 delivers 550 hp and 770 Nm. But the factory exhaust is calibrated so that this...
In detail
Rog Advisor
A question about this exhaust?
Fitment, sound, catalyst, valves, delivery: the answer comes straight away, with your configuration in context.
The Rog Advisor is an automated assistant trained on our product pages and answers. For an important decision, write to us: we confirm by e-mail.
Unsure about your configuration? Talk to us before you order. We know your car. Write to us at contact@rogmotorsport.com: we reply in writing, in English, within 24 hours. Email us
Reviews imported from our previous system and translated from French; verified purchases carry the badge.
Rog presentation film: choosing your vehicle, Standard or Equal Length design, stainless steel or titanium, Z-Pipe, controlled valves, titanium and tip finishes, and support from choosing your configuration through to shipping.
THE Rog CRAFT
Our process.
From the first bend to the last check. The same care at every step.
-
Design
Designed for your vehicle.
Geometry matched to your model, carefully studied bends and precise mounting points. Everything starts with accurate design.
-
Manufacture
Crafted with precision.
Tube bending, part fitting and TIG welding: every joint receives the same care.
-
Finishing
Material, elevated.
The finish reveals the character of the metal. Stainless steel or titanium, depending on the options available for your vehicle.
-
Assembly
Every part in its place.
Components are assembled and adjusted. On valved systems, the mechanism is fitted, set up and tested.
-
Inspection
Check. Then approve.
Geometry, welds, connections and gas flow: the key points are inspected before shipping.
-
Shipping
Ready to join you.
Reinforced packaging protects your exhaust in transit. The final step before giving your vehicle a new voice.
Customer builds
Your videos & photos
The Rog lines fitted on our customers' vehicles, in real conditions.
- Builds
- 500+
- Brands
- 28
- Satisfaction
- 4,9
The journal
News & advice
Best valved exhaust for the Audi RS3 8Y
Which valved exhaust for an Audi RS3 8Y? The options compared (sound, material, valves) and the Rog system made to...
Read the articleBest valved exhaust for the Mercedes-AMG A45 / A45 S W177
Which valved exhaust for a Mercedes-AMG A45 or A45 S W177? The options compared (sound, material, valves) and the Rog...
Read the articleBest valved exhaust for the BMW M2 G87
Which valved exhaust for a BMW M2 G87? The options compared (sound, material, valves) and the Rog system made to...
Read the articleExhaust rules: what changes in 2026 and 2027 (Euro 7, noise cameras, MOT)
Euro 7, new-car noise, noise cameras, MOT and vehicle inspection, and models: what really changes in 2026 and 2027 for...
Read the articleChanging your exhaust: what inspections and approvals cost in 9 countries
What the periodic inspection and the check of a modification cost after changing your exhaust, in 9 European countries: official...
Read the articleIs a cat-back exhaust legal in Ireland? What the NCT checks.
A cat-back leaves your factory cat, sensors and OBD as they are; valves closed, very close to stock, valves open,...
Read the articleSports exhaust (sportsummuti) in Estonia: what the tehnoülevaatus checks.
The sound you choose, a discreet car when it matters: what a Rog valved exhaust gives you in Estonia, how...
Read the articleSports exhaust in Latvia: tehniskā apskate and the CSDD noise limit.
The sound you choose, a discreet car when it matters: what a Rog valved exhaust gives you in Latvia, how...
Read the articleNo article matches this search.
All articles