BMW M5 G90 G99 Akrapovic Titanium Exhaust System Complete

BMW M5 G90 G99 Akrapovic Titanium Exhaust System Complete

The BMW M5 G90 and G99 represent the most powerful, most technologically complex, and most performance-capable M5 in the 40-year history of the nameplate. A 4.4-litre S68 twin-turbocharged V8 combined with an electric motor delivering a combined system output that redefines what a performance saloon is capable of. A chassis engineered to deploy that power with surgical precision. And now — the exhaust system that unlocks the full acoustic and performance potential the S68 hybrid powertrain has been waiting for.
The Akrapovic complete titanium exhaust system for the BMW M5 G90 and G99 is not simply an upgrade. It is the definitive statement of intent for the owner who demands the absolute maximum from the world’s most powerful M5 — lighter, freer-breathing, more sonically compelling, and more visually striking than anything the factory ever fitted.

Key Features:

• Complete genuine Akrapovic titanium exhaust system for BMW M5 G90 and G99
• Full system replacement — maximum performance, acoustic, and weight benefit
• Premium aerospace-grade titanium construction throughout — Akrapovic’s finest material specification
• Engineered and validated specifically for the S68 4.4-litre twin-turbocharged V8 hybrid platform
• Dramatic total system weight reduction versus factory BMW M5 G90 G99 exhaust
• Measurable power and torque gains across the full S68 hybrid system RPM range
• Optimized exhaust gas flow dynamics for improved turbocharger spool response
• Signature Akrapovic exhaust note — deeper, more authoritative, and more characterful than factory
• Characteristic Akrapovic titanium tailpipes — unmistakable visual signature
• Direct OEM-spec fitment for G90 and G99 platform — precision engineering throughout
• Full compatibility with M5 G90 G99 exhaust valve system and active sound management
• All Akrapovic clamps, gaskets, hangers, and installation hardware included
• Compatible with BMW M5 G90 Saloon and G99 Touring (2024, 2025 models)

What’s Included:

• Complete Akrapovic titanium mid and rear exhaust system as per listing specification
• Akrapovic signature titanium rear muffler assembly with characteristic branded tailpipes
• Center section pipework — titanium, large diameter, CFD-optimized
• All connecting pipes, clamps, gaskets, and OEM-spec mounting hardware
• Full installation documentation and Akrapovic certification where applicable

Why Titanium?

Akrapovic’s choice of aerospace-grade titanium for this complete M5 G90 G99 system is not simply a premium material selection — it is the engineering foundation that makes every other performance benefit possible.
Weight: Titanium delivers the highest strength-to-weight ratio of any exhaust-grade material — enabling Akrapovic to build a complete system that is dramatically lighter than the factory steel assembly without any compromise in structural integrity or longevity. On a vehicle where the hybrid powertrain already adds significant mass, every kilogram saved matters — and the Akrapovic titanium system saves kilograms, not grams.
Thermal Performance: Titanium manages exhaust gas temperatures more effectively than stainless steel — maintaining consistent internal gas temperatures for optimized flow dynamics while reducing external heat radiation to surrounding components. On a turbocharged hybrid system where thermal management is critical to both performance and component longevity, this matters enormously.
Durability: Aerospace-grade titanium is virtually immune to the corrosion, oxidation, and surface degradation that affects steel exhaust systems over time — ensuring the Akrapovic system maintains its visual and functional integrity across years of use in all conditions.
Aesthetics: Raw titanium develops a unique, iridescent blue-gold heat patina over time — a living, evolving visual signature that no painted or coated system can replicate. The Akrapovic titanium tailpipes, visible beneath the M5 G90 G99 rear diffuser, are one of the most visually compelling details available on any performance saloon.

Performance Benefits — S68 Hybrid Platform:

Turbocharger Response:

On a twin-turbocharged platform like the S68, exhaust back pressure directly impacts turbocharger spool speed and response time. The Akrapovic system’s optimized large-diameter pipework and free-flowing muffler design reduces back pressure throughout the exhaust path — improving turbocharger spool response for sharper throttle pickup, more immediate power delivery, and a more urgent driving character that complements the instant torque of the hybrid electric motor.

Power & Torque Gains:

The Akrapovic complete titanium system delivers measurable gains in both power and torque across the S68 hybrid system’s operating range — with the most dramatic improvements at mid and upper RPM where exhaust flow restriction has the greatest impact on naturally aspirated breathing efficiency and turbocharger efficiency simultaneously.

Acoustic Transformation:

The S68 twin-turbocharged V8 hybrid produces a factory exhaust note that is deliberately managed — quieted, filtered, and electronically augmented through the M5 G90’s active sound management system to meet global noise regulations while providing acceptable acoustic character. The Akrapovic complete titanium system transforms that managed note into something genuinely visceral — a deeper, more complex, and more authoritative V8 turbocharged soundtrack that communicates the performance capability of the G90 M5 with the honesty and drama it deserves. With exhaust valves open in Sport and Sport+ modes, the Akrapovic-equipped G90 M5 announces itself with a presence no factory exhaust can match.

Weight & Dynamic Benefit:

The total weight reduction achieved by replacing the factory M5 G90 G99 steel exhaust system with the Akrapovic complete titanium assembly measurably reduces the vehicle’s overall mass and — critically — reduces mass carried at the rear of the vehicle, contributing to improved front-rear weight distribution and a more dynamically balanced chassis response.
Ideal For:
• Track day and circuit driving demanding maximum performance from the S68 hybrid powertrain
• Road drivers seeking the ultimate acoustic transformation and performance upgrade for the G90 M5
• G99 M5 Touring owners seeking identical system performance and acoustic benefit
• Owners completing a full M Performance specification build on their G90 or G99
• Replacing factory exhaust with the finest titanium system available for the platform
• Maximizing resale desirability with the most prestigious aftermarket exhaust fitment available
• Early adopters of the G90 G99 platform establishing the definitive performance specification

Fitment & Compatibility:

This complete Akrapovic titanium exhaust system is engineered specifically for the BMW M5 G90 Saloon and G99 Touring fitted with the S68 4.4-litre twin-turbocharged V8 hybrid powertrain. Please confirm your exact model variant, production year, and regional exhaust specification before purchasing. Compatibility with existing OPF/GPF particulate filter systems and regional emissions compliance should be verified prior to installation. Professional installation by a qualified Akrapovic dealer, BMW M specialist, or performance exhaust specialist is strongly recommended to ensure correct fitment, system sealing, valve actuator compatibility, and optimal acoustic and performance results.

Condition & Specification:

Please review all listing images carefully and confirm system condition, component completeness, and exact specification details with the seller before purchasing. Confirm whether the system includes OPF/GPF-compatible sections for your regional specification.

About Akrapovic:

Founded in Slovenia in 1991 by Igor Akrapovič, Akrapovic has grown into the world’s most respected and technically advanced performance exhaust manufacturer — supplying exhaust systems to MotoGP World Championship teams, World Superbike, DTM, and the world’s most demanding performance road car applications. Every Akrapovic system begins with computational fluid dynamics development, proceeds through dyno validation, and is proven through real-world track testing before a single production unit leaves the Slovenian facility. The materials, the engineering depth, and the acoustic artistry that define every Akrapovic product are without parallel in the performance exhaust industry. For the BMW M5 G90 and G99 — the most capable M5 ever built — only Akrapovic is worthy of the nameplate.

The G90 M5 Deserves This:

The BMW M5 G90 and G99 are the culmination of four decades of M5 development — faster, more powerful, more technologically sophisticated, and more dynamically capable than any M5 that preceded them. They deserve the finest aftermarket components available. The Akrapovic complete titanium exhaust system is precisely that — titanium construction, CFD-developed flow dynamics, platform-specific acoustic tuning, and the global reputation of the world’s greatest exhaust manufacturer, all in a single complete system designed specifically for the G90 and G99. This is the exhaust the new M5 has been waiting for.