If you’re looking to elevate the driving dynamics and visual appeal of your Porsche 991.2 3.8 Turbo S (2017), look no further than an Akrapovič Exhaust for Porsche 991.2 Turbo S. From its meticulously crafted titanium construction to the stunning carbon fiber diffuser, this upgrade delivers a symphony of power, performance, and style. In this blog post, we’ll dive into every detail—from the installation process and product specs to the raw excitement of driving a Porsche equipped with the Akrapovič Slip-On Line and a high-gloss carbon fiber diffuser.

Why Choose Akrapovič Exhaust for Porsche 991.2 Turbo S
When it comes to high-end performance exhaust systems, Akrapovič has secured a legendary status. Renowned for its innovative engineering and premium materials, Akrapovič delivers products that not only enhance a car’s power and torque but also provide an unforgettable auditory experience. Specifically tailored to match the formidable capabilities of the Porsche 991.2 Turbo S, an Akrapovič Exhaust for Porsche 991.2 Turbo S stands out for several compelling reasons:
- Precision Engineering: Akrapovič invests heavily in research and development to craft exhausts that fit perfectly and optimize airflow.
- High-Quality Materials: Titanium construction ensures both lightweight performance and durability, all while offering a distinctive, motorsport-inspired sound.
- Aesthetic Upgrades: The optional carbon fiber diffuser, available in matte or high-gloss finish, elevates the rear profile of your Porsche while showcasing the titanium tailpipes.
- Performance Gains: From improved throttle response to increased horsepower, the Slip-On Line exhaust system is all about unlocking the car’s untapped potential.
By choosing an Akrapovič exhaust system, you invest in a piece of automotive art designed to bring out the best in your Porsche 991.2 Turbo S.
Akrapovič Slip-On Line: Product Overview
The Akrapovič Slip-On Line is considered the foundational stage of the exhaust tuning process for the Porsche 991.2 Turbo / Turbo S. It’s expertly crafted from premium-grade titanium and offers the following highlights:
- Enhanced Exhaust Flow: The layout minimizes backpressure, allowing exhaust gasses to exit more freely.
- Distinctive Sound: Expect a deep, resonant exhaust note that intensifies with RPM, ensuring a head-turning acoustic experience.
- Carbon Fiber Tip Option: You can complement the titanium construction with carbon fiber tailpipes for an extra visual flourish.
- Perfect Fitment: Engineered for direct bolt-on application, ensuring compatibility with factory mounting points.
For our client’s 2017 Porsche 991.2 3.8 Turbo S, the Slip-On Line was the ideal option. Not only did it align seamlessly with the factory geometry, but it also offered a noticeable step up in performance, as we’ll detail in the Technical Gains and Performance Benefits section.
Carbon Fiber Rear Diffuser: The Perfect Complement
A Porsche Turbo or Turbo S fitted with the Akrapovič exhaust system isn’t truly complete until you add the mandatory handcrafted carbon fiber rear diffuser. This diffuser is purpose-built to accommodate the Slip-On Line’s tailpipes—two sets of side-located titanium tips—while accentuating the car’s aggressive stance. Key points include:
- Exclusive Design: Customized specifically for the 991.2 Turbo / Turbo S to enhance aerodynamic efficiency.
- High-Gloss or Matte Finish: Owners can choose a finish that best aligns with their style preferences. Our client went with the high-gloss finish to match the sleek body lines of the 2017 Porsche 991.2 Turbo S.
- Lightweight Construction: Carbon fiber is not only visually striking but also significantly reduces weight compared to stock components.
If you desire a cohesive, performance-focused look at the rear end of your Porsche, pairing the Slip-On Line exhaust with the carbon fiber diffuser is simply indispensable.
Installation Journey: Step by Step
Installing an Akrapovič Exhaust for Porsche 991.2 Turbo S is a detailed process that rewards patience and precision. Below, we outline the steps taken on our client’s vehicle:
- Preparation and Inspection:
- Begin by lifting the Porsche and performing a thorough check of the undercarriage.
- Ensure all necessary parts and fittings are on hand, including the Slip-On Line exhaust and the carbon diffuser kit.
- Old Exhaust Removal:
- Unbolt and carefully remove the factory exhaust.
- Inspect mounting points and surrounding heat shields for any potential wear.
- Akrapovič Exhaust Mock-Up:
- Position the Akrapovič Slip-On Line in place to ensure correct alignment.
- Use the provided hardware for a secure fit and verify that the exhaust tips align with the diffuser cutouts.
- Carbon Fiber Rear Diffuser Installation:
- Remove the stock diffuser (if equipped).
- Align the new carbon diffuser with the exhaust tips and the vehicle’s mounting points.
- Secure it firmly, ensuring a perfect balance between form and function.
- Final Adjustments and Test:
- Tighten all bolts and clamps to the torque specifications.
- Lower the vehicle and start the engine to check for leaks or rattling sounds.
- Take a short test drive to confirm everything is functioning smoothly.



Installation Time Estimates
- Exhaust Installation Time: ~300 minutes
- Diffuser Installation Time: ~120 minutes
These are rough guidelines that can vary depending on workshop experience and specific vehicle conditions.
Technical Gains and Performance Benefits
One of the most rewarding aspects of upgrading to an Akrapovič Exhaust for Porsche 991.2 Turbo S is the measurable performance enhancements. According to Akrapovič’s own data:
- Improved Horsepower and Torque: While exact numbers can vary based on supporting modifications, you can expect noticeable gains in both peak horsepower and mid-range torque.
- Faster Throttle Response: The reduction in backpressure and weight makes the engine more eager to rev, resulting in sharper on-road performance.
- Reduced Exhaust Temperatures: Higher-flow designs often help dissipate heat more effectively, potentially prolonging the life of other engine components.
These benefits underscore why the Akrapovič Slip-On Line is regarded as the first and most crucial step in extracting extra power from the Porsche 991.2 Turbo S platform.
Incredible Weight Savings
For high-performance vehicles like the Porsche 991.2 Turbo S, every kilogram counts. Akrapovič is renowned for shedding significant weight without compromising durability. Here’s how the weight stacks up:
Unit | Stock | Akrapovič | Weight Difference | |
---|---|---|---|---|
Exhaust | kg | 16.7 | 9.4 | -7.3 |
lb | 36.8 | 20.7 | -16.1 | |
% | — | — | -43.7% | |
Carbon Diffuser | kg | 2.1 | 2.0 | -0.2 |
lb | 4.6 | 4.3 | -0.3 | |
% | — | — | -7.1% |
A total exhaust weight reduction of around 7.3 kg (16.1 lb) is substantial. Factor in the carbon diffuser’s lighter design, and you’ve shaved off extra mass from a critical area of the car. Reduced weight directly translates to better handling, improved acceleration, and an overall sharper driving feel.
Photo Showcase: Bringing the Upgrade to Life
Our client captured eight key moments of the installation and final setup, each photo telling a story of transformation:
- New Akrapovič Exhaust on the Car
- A glimpse of the Slip-On Line exhaust in place, fitting snugly under the rear bumper.
- Akrapovič Fittings on the Table
- Showcases the high-quality materials and hardware that come with the system, emphasizing Akrapovič’s attention to detail.
- Exhaust Laid Out on the Ground
- A side-by-side comparison with the stock system reveals the sleek titanium lines and reduced size of the Akrapovič component.
- Two Boxes of the Diffuser and Exhaust Near the Car
- Demonstrates the careful packaging and premium presentation.
- Fully Assembled Diffuser and Exhaust from Underneath
- Highlights the perfect alignment and how the components fit into the Porsche’s undercarriage.
6–8. Rear Photos of the Fully Installed Diffuser and Exhaust
- Multiple angles capturing the aggressive, polished look from behind—an aesthetic triumph that’s as functional as it is beautiful.
Each photo underscores the meticulous craftsmanship of both the Slip-On Line and the carbon diffuser, proving that performance upgrades can be as visually compelling as they are mechanically beneficial.
Driving Impressions: Feel the Difference
Immediate Performance Boost
The most noticeable difference after installing an Akrapovič Exhaust for Porsche 991.2 Turbo S is how quickly the engine responds to throttle inputs. Turbo lag feels reduced, and the power delivery is more linear across the RPM range.
Deep, Resonant Exhaust Note
Akrapovič is famed for tuning exhaust notes to be both sophisticated and aggressive. At low RPM, the sound is mellow but authoritative—perfect for daily driving. Push the throttle, and the pitch elevates to a rich, motorsport-inspired roar that reverberates through tunnels and track straights alike.
Sharper Handling
Shedding a total of 7.3 kg (16.1 lb) from the exhaust alone may not sound colossal, but in performance driving, every kilogram counts. The vehicle feels slightly more agile during quick transitions, and the reduced rear-end weight helps in achieving a more balanced handling profile.
Visual Impact
Finally, there’s no denying the captivating allure of the carbon diffuser paired with titanium tailpipes. Parked or on the move, the rear end of this Porsche now exudes a motorsport vibe that commands attention and respect.
Maintenance and Care Tips
To keep your Akrapovič Exhaust for Porsche 991.2 Turbo S and carbon diffuser in top condition, consider these best practices:
- Regular Cleaning:
- Gently wash the titanium tailpipes and carbon diffuser with pH-neutral car shampoo.
- Avoid harsh chemicals or abrasive brushes that could damage the finish.
- Inspect Fittings:
- After the first few weeks, re-check the exhaust clamps and diffuser mounting points to ensure everything remains snug.
- Mind the Roads:
- Carbon fiber, while robust, can still be sensitive to hard impacts. Exercise caution over speed bumps and steep driveways.
- Seasonal Care:
- If you drive in winter conditions, be mindful of salt and corrosive substances. Thoroughly rinse the undercarriage to prevent long-term damage.
By following these simple guidelines, you can preserve the aesthetic and performance benefits of your Akrapovič system for years to come.
Why This Upgrade Is Worth It
Porsche built the 991.2 Turbo S as a superlative driving machine from the factory, but even greatness can be refined further. An Akrapovič Exhaust for Porsche 991.2 Turbo S delivers:
- Enhanced Performance: More horsepower, better throttle response, and improved handling.
- Captivating Acoustics: A thrilling exhaust note that complements the car’s performance pedigree.
- Elevated Aesthetics: The carbon fiber diffuser and titanium tailpipes combine for a show-stopping rear view.
- Long-Term Value: Premium materials and expert craftsmanship ensure durability, which can preserve or even increase vehicle resale value for enthusiasts.
When you consider the synergy of performance gains, weight savings, and jaw-dropping style, the decision practically makes itself.
Conclusion: Take Your Porsche to New Heights
Upgrading to an Akrapovič Exhaust for Porsche 991.2 Turbo S is more than a simple modification—it’s a statement of intent. By merging cutting-edge materials with expert engineering, Akrapovič offers a product that seamlessly aligns with Porsche’s legacy of performance excellence. From the moment you fire up the engine and hear that distinct titanium growl, you’ll know your 991.2 Turbo S has been transformed into a more dynamic, exhilarating machine.
Whether you’re a weekend enthusiast longing for an extra adrenaline rush or a seasoned collector curating the best for your automotive stable, this exhaust and diffuser setup will not disappoint. Our client’s experience with their 2017 Porsche 991.2 3.8 Turbo S and the Akrapovič Slip-On Line stands as a testament to how a single upgrade can dramatically elevate both everyday driving and track-day performance.
Ready to transform your Porsche? Explore the Akrapovič Slip-On Line exhaust system and carbon fiber diffuser for the Porsche 991.2 Turbo / Turbo S, and experience firsthand why true enthusiasts consider it a must-have addition. Drive with greater confidence, revel in the racing-inspired sound, and stand out wherever the road takes you. Safe travels and happy driving!


