Valved Exhaust System for Alfa Romeo Stelvio 949 2.0 Turbo (2017-2021)
Configuration
Alfa Romeo Stelvio 949 2.0 Turbo Valved Exhaust System (2017-2021)
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 |
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The Alfa Romeo Stelvio 2.0 Turbo exhaust in detail.
The Stelvio 949 with the 2.0 Turbo engine, produced from 2017 to 2021, is the SUV that shares the Giulia’s mechanicals: a turbocharged petrol four-cylinder offered from 200 hp and 330 Nm to 280 hp and 400 Nm depending on the version. This system is dedicated to it, built to your Stelvio’s VIN; the Giulia 2.0 Turbo and the V6 Quadrifoglio models have their own pages.
You expect little music from an SUV, and the Stelvio’s factory exhaust makes sure nothing sticks out, especially as the revs rise. At Alfa Romeo, that is a shame: the brand has always sold temperament. The Rog valved cat-back corrects this, with a full tone under load and crackles when you lift off, valves open. Once the valves are closed again, the Stelvio goes back to being the hushed family car for the school run.
The system is fitted without welding, using band clamps and gaskets, in about two hours on a lift, and the valves follow the factory control when the Stelvio has one; otherwise, a unit in the boot and the two-button Rog remote take care of it.
To go further, the page offers the four-cylinder’s downpipe, under the “Manifold” option, which brings sound and a slight weight saving without an ECU remap, but no power; with a remap, the published Stage 2 figures for the 280 hp Stelvio are 326 hp and 483 Nm. In its 200-cell version, the SUV keeps its emissions control; the 100-cell will be accepted or not depending on the vehicle and your country’s rules, and on a family SUV as elsewhere, the decat version is reserved for track use. 304 stainless steel and titanium, around 40% lighter and offered in brushed, gold or purple, then share the choice of material, with round tips.
Alfa Romeo Stelvio 2.0 Turbo exhaust specifications.
| System type | Valved cat-back (valve exhaust), built to your VIN |
|---|---|
| Vehicle and chassis code | Alfa Romeo Stelvio 2.0 Turbo, type 949 SUV, 200 and 280 hp versions |
| Engine | 2.0-litre turbocharged petrol four-cylinder, 200 to 280 hp and 330 to 400 Nm depending on the version |
| Years | 2017-2021 |
| 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 (“Manifold” option on this page) |
| Fitting | Clamps and gaskets, no welding, about 2 hours |
| Manufacturing and delivery | Made to order, 20 working days, free delivery |
| Warranty | 3 years, parts and workmanship |
Questions about the Alfa Romeo Stelvio 2.0 Turbo exhaust.
Does the 200 hp Stelvio 2.0 Turbo take the same system as the 280 hp version?
Yes, the page covers both power levels of the Stelvio 949 2.0 Turbo between 2017 and 2021. Your VIN, requested with the order, lets us validate compatibility before manufacturing, particularly for model years at the edges of the range.
Does the Stelvio 2.0 Turbo need an ECU remap once the system is fitted?
Not with the cat-back alone, which does not touch the ECU. An ECU remap is justified if you add the downpipe: it is what converts the freed-up flow into horsepower, up to the 326 hp published for the 280 hp version.
Can a modified Stelvio 2.0 Turbo go for its vehicle inspection?
Yes, with the valves closed, with a sound close to that of the standard SUV. The cat-back alone and the 200-cell downpipe leave emissions control in place. For the 100-cell, everything depends on the vehicle and the country’s rules; the decat version remains reserved for the track.
On a long journey, does the Stelvio 949 drone with the Rog exhaust?
With the valves closed, the cabin stays calm at a steady speed, which matters on a touring SUV. You open them again when the road allows, without going through the car’s menus if you have chosen the remote.
Rog expert guide
Alfa Romeo Stelvio: the complete exhaust system guide
The Stelvio is the SUV that drives like a sports saloon, true to the Biscione. Its factory voice, however, is anonymous. Our exhaust system gives it back an assertive Latin tone, with family-friendly quiet always available with the valves closed....
In detail
Unsure about your configuration?
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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.
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Finishing
Material, elevated.
The finish reveals the character of the metal. Stainless steel or titanium, depending on the options available for your vehicle.
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Assembly
Every part in its place.
Components are assembled and adjusted. On valved systems, the mechanism is fitted, set up and tested.
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Inspection
Check. Then approve.
Geometry, welds, connections and gas flow: the key points are inspected before shipping.
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Shipping
Ready to join you.
Reinforced packaging protects your exhaust in transit. The final step before giving your vehicle a new voice.
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