BMW M3 / M4 F80 F82 F83 exhaust: giving the S55 a real voice again, the complete guide
The F8x generation made BMW M history: the first turbocharged M3, a sharpened chassis and an S55 that has become a tuning benchmark. But it also carries a reputation every owner knows: a factory sound considered flat, synthetic and unworthy of the rest of the car. This guide explains how to correct this factory shortcoming and how to choose each option for your exhaust: catalytic converter, vehicle inspection, material, sound configuration and valves. Here, point by point, is how to choose the exhaust for your BMW M3 F80 / M4 F82, and what each option really changes.
Written by ROG Motorsport · Updated
Your ROG exhaust for the BMW M3 F80 / M4 F82
From €3,390 in stainless steel, €4,140 in titanium
Configure my exhaust- Vehicles
- BMW M3 F80 / M4 F82 3.0T (2014-2019)
- Engine
- S55 · 431 to 450 hp · 550 Nm, depending on the version
- Exhaust
- Valved cat-back, built for your VIN
- Material
- 304 stainless steel or titanium
- Design
- Standard, Equal Length or Equal Length + Z-pipe
- Front section
- Optional: catted downpipe with 200 or 100 cells, or decat
- 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: BMW M3 E46 L6 3.2L, BMW M3 E90 / E92 / E93 4.0L, BMW M3 G80 / M4 G82 3.0T, BMW M2 Competition F87 3.0T.
The S55: brilliant engineering, sacrificed acoustics
The 3.0L twin-turbo S55 is a barely civilised racing engine: forged crankshaft, closed-deck block, track-grade cooling. When tuned, it handles very high power outputs with remarkable reliability. Its only real flaw was born in the type-approval offices: a muffled factory exhaust, topped off by Active Sound Design piping artificial sound through the speakers. F8x owners all say it: the car goes faster than it sounds.
The ROG exhaust corrects exactly that. It replaces the factory system with a free-flowing, valved layout that finally lets the S55 express itself mechanically, without electronic trickery. The difference is immediate, from cold start to full load.
How the exhaust on your BMW M3 F80 / M4 F82 is put together
An exhaust system is best understood in two parts. Here is what each one does, and what ROG replaces.
The cat-back is the complete exhaust system
It is everything you can see under your BMW M3 F80 / M4 F82, from the outlet of the front section to the tips: pipes, silencers, valves. Routing, silencer, valves: this is where the sound is shaped, and where we focus our research and development.
The front section, where the catalytic converter sits
On your BMW M3 F80 / M4 F82, it is the downpipe, the pipe leading from the turbo. It contains the factory catalytic converter: the second restriction in the exhaust, after the silencer. Changing this part remains a choice: it pays off mainly with an ECU remap, which turns the freed-up flow into power.
The figures for your BMW M3 F80 / M4 F82
What an exhaust changes straight away is the sound, the engine's breathing and the weight at the rear. For more power, add an ECU remap.
Power
Torque
Published factory and Stage 2 figures. Factory figures vary by version; Stage 2 figures published for the 450 hp version.
With or without an ECU remap, the exhaust fits and works. But it is an ECU remap at an approved tuning centre that truly unlocks your BMW M3 F80 / M4 F82, and that is what we recommend.
Let us be frank: an exhaust alone brings a moderate gain on a turbocharged engine, by reducing back pressure. But the S55 is probably the BMW six-cylinder that responds best to Stage 2: with the exhaust and an ECU remap at an approved tuning centre, it reaches power levels that transform the car while staying within the engine's reliability zone. It is the combination most of our F8x customers choose.
Configuring your exhaust, step by step
5 choices, in the same order as the product page configurator.
-
Step 1 of 5: Design: the voice of the exhaust
The design changes the tone of your BMW M3 F80 / M4 F82. This is the choice that matters most for the sound.
Standard
Included
The raw, direct sound of the twin-turbo S55. No resonator, more volume, more presence. The twin-turbo character comes through in full, unfiltered.
Equal Length
+€250
The lengths of the two pipes are balanced before they merge. The pulses sync up and the note rises in pitch. The S55 sounds like a proper inline-six: higher, more even, less raspy. A sound register that completely changes the acoustic identity of the car.
Equal Length + Z-pipe
+€350
A Z-shaped layout that amplifies the crossover of the exhaust flows. The note turns very high in frequency, exotic, close in character to a naturally aspirated Japanese engine at high revs. For drivers who want to take the sound experience to its limit.
-
Step 2 of 5: Material: stainless steel or titanium
For your BMW M3 F80 / M4 F82, the exhaust costs €3,390 in stainless steel and €4,140 in titanium.
304 stainless steel
€3,390
- Weight
- Baseline
- Sound
- Full and rounded
Durable, corrosion-resistant, with a rounded, full sound: the most popular option.
Titanium
€4,140
- Weight
- Around 40% lighter
- Sound
- Metallic, crystal-clear
For the same design, it weighs around 40% less than stainless steel. A more metallic note at high revs and a look all of its own, from brushed to blued.
Both materials age well: 304 stainless steel copes with winter and salt, and titanium does not rust. Stainless steel or titanium: what really changes.
-
Step 3 of 5: Front section: downpipe and catalytic converter
Optional: the downpipe on your BMW M3 F80 / M4 F82, with its catalytic converter. Sound rating out of 10, valves open: the factory exhaust sits at 3.
Cat-back only
Included
7/10Factory emissions control
Nothing changes at the front: the cat-back alone is already enough to change the car.
200-cell sports catalytic converter
+€820
8/10Road use and inspection
The everyday compromise: emissions control is still there, and breathing improves noticeably.
100-cell sports catalytic converter
+€820
9/10Inspection: depends on local rules
One step further: more flow, a more aggressive sound, reduced emissions control.
Decat
+€570
10/10Track use
Everything unleashed: maximum flow and unrestrained sound, for the track.
Sound intensity, on a scale of 0 to 10
- 10/10Decat downpipe + ROG cat-back
- 9/10100-cell sports catalytic converter + ROG cat-back
- 8/10200-cell sports catalytic converter + ROG cat-back
- 7/10ROG cat-back only, factory catalytic converter retained
- 3/10Factory exhaust, for comparison
Valves open. With the valves closed, every configuration becomes discreet again.
What about the engine warning light? It can appear with a sports catalytic converter: the downstream oxygen sensor reads a different level of cleaning from the factory unit. It is not an engine fault, and it is dealt with by an ECU remap or a diagnostic tool. With a decat, an ECU remap becomes necessary. If it happens to you, call us and we will point you in the right direction. Passing vehicle inspection with a sports exhaust.
-
Step 4 of 5: Valves: ROG remote or factory control
Two ways to control the valves on your BMW M3 F80 / M4 F82.
ROG remote
The simplest solution: a control unit in the boot and a remote, open or closed at the press of a button, whatever mode you are in. A question while fitting? We will get back to you.
Factory control
- Only for vehicles fitted with factory valves
- Controlled by the drive modes
Does your vehicle have factory valves? The exhaust keeps their existing control: the drive modes operate the valves, as before, with no added electronics.
On a long journey, what matters is the absence of drone at a steady speed. With the valves closed, the exhaust keeps the cabin calm; the show is still there whenever you ask for it. More about exhaust drone.
-
Step 5 of 5: Tips: the visual signature
Match the tips to the style of your BMW M3 F80 / M4 F82, 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
- M Performance style carbon
From order to fitting
-
Configuration
You choose the options for your BMW M3 F80 / M4 F82 and enter its VIN, from box E of the registration document or the base of the windscreen.
-
Check
We confirm compatibility with your car before we build it.
-
Manufacturing
Made to order, for your BMW M3 F80 / M4 F82.
-
Delivery
Free, insured delivery, with tracking sent on dispatch.
-
Fitting
Clamps and gaskets, no welding: two hours on average at the garage of your choice.
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? In Europe, fitting a part from another brand is not enough on its own to void it; the manufacturer has to prove the link between that part and the fault. Our article on the manufacturer's warranty.
Our recommendations for your BMW M3 F80 / M4 F82
-
Daily driving
€3,390
- Stainless
- Standard
- ROG remote
Your BMW M3 F80 / M4 F82 stays easy to live with, the factory emissions control is retained, and you open the valves whenever you decide.
View this configuration -
Fast road
€5,210
- Titanium
- Equal Length
- 200-cell downpipe
- ECU remap
For great roads: more voice and more response, while staying road-friendly.
View this configuration -
Track
€5,060
- Titanium
- Equal Length + Z-pipe
- Decat downpipe
- Stage 2
The most extreme configuration, for track use only.
View this configuration
These profiles are starting points. The right choice is often made in five minutes on the phone.
BMW M3 F80 / M4 F82: your questions
How much power does an exhaust system add to the BMW M3 F80 / M4 F82?
As standard, the BMW M3 F80 / M4 F82 produces from 431 to 450 hp and 550 Nm, depending on the version. Without a remap, the exhaust transforms the voice and lightens the rear; it is the ECU remap that increases power. With a Stage 2 build, the published figures for the 450 hp version reach 530 hp and 720 Nm.
Stainless steel or titanium: which material for the BMW M3 F80 / M4 F82?
For the BMW M3 F80 / M4 F82, the ROG exhaust costs €3,390 in stainless steel and €4,140 in titanium. Choose stainless steel for value for money and a rounded sound, titanium to save around 40% in weight and get a clearer tone.
Do you need to replace the catalytic converter on the BMW M3 F80 / M4 F82?
No, the cat-back alone already does most of the work on the BMW M3 F80 / M4 F82. The downpipe option is for those tuning the engine: 200 cells to stay road-friendly, 100 cells or decat for the track.
Will a ROG exhaust pass vehicle inspection on the BMW M3 F80 / M4 F82?
The cat-back only and the 200-cell sports catalytic converter both keep emissions control: that is the configuration to present, with the valves closed. The 100-cell brings more sound and flow, and whether it is accepted at the emissions test depends on the car and local rules; the decat version is intended for track use on the BMW M3 F80 / M4 F82.
How is the ROG exhaust fitted to the BMW M3 F80 / M4 F82?
Fitting needs no welding or cutting and takes two hours on average on a lift. We check compatibility with the VIN of your BMW M3 F80 / M4 F82 before manufacturing.
What does a ROG exhaust cost for the BMW M3 F80 / M4 F82, and how long does it take?
From €3,390 to €5,310 depending on the configuration. Allow 20 working days from order confirmation to delivery. Free delivery, 3-year warranty.
Unsure about your configuration? Give us a call.
Stainless steel or titanium, cat-back only or the complete system: the right choice depends on how you drive and on your BMW M3 F80 / M4 F82. 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.
Behind every ROG exhaust is a French team you can actually reach, who know the cars they talk about. More than 500 exhaust systems fitted and a rating of 4.9 out of 5.
Further reading
Read next
- Mercedes-AMG SLC43 R172 V6 biturbo: an open-air V6, the exhaust system guide The SLC43 is a compact roadster with a retractable hard top, which AMG equipped with a 3.0-litre twin-turbo...
- Mercedes-AMG E55 W211 V8 Kompressor: the wolf in a business suit, the exhaust guide With the E55 W211, AMG slipped a 476 hp, 700 Nm supercharged V8 into an E-Class that looks...
- Mercedes-AMG CLS53 C257: the return of the straight-six, the exhaust system guide A four-door coupé with flowing lines, the CLS53 C257 benefits from Mercedes' return to a layout the brand...