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Pure Titanium Sound: Akrapovic S-PO/TI/5H Slip-On Line for 2016-2017 Porsche 911 Carrera 991.2
The Akrapovic S-PO/TI/5H Slip-On Line in titanium with titanium tips is the benchmark exhaust upgrade for the 2016-2017 Porsche 911 Carrera S, 4, 4S, and GTS on the 991.2 platform. Built with precision-welded grade-1 titanium construction throughout, the S-PO/TI/5H drops significant weight from the rear of the 991.2 and transforms the flat-six's exhaust note into a sharper, more resonant sound that honors the 911's motorsport lineage. ECE approved for Carrera, Carrera S, Carrera 4, and Carrera 4S variants, this system is compatible with both coupe and cabriolet body styles and works seamlessly with the 991.2's factory sport exhaust valve system.
Key Features
- Slip-On Line titanium exhaust with titanium tips for 2016-2017 Porsche 911 991.2 Carrera S/4/4S/GTS
- Grade-1 titanium muffler body with matching titanium oval tips for unified premium aesthetic
- ECE type approved for Carrera, Carrera S, Carrera 4, and Carrera 4S — delivers sound enhancement and legal road use
- Significant weight reduction over the factory stainless exhaust for improved rear-weight distribution
- Compatible with the 991.2's factory sport exhaust valve system and its driving mode sound programs
- Precision TIG-welded titanium joints to Akrapovic aerospace manufacturing tolerances
- Fits both coupe and cabriolet body styles on the 991.2 platform
- Transforms the 3.0-liter turbocharged flat-six's exhaust note with sharper, more layered Akrapovic resonance
- Direct bolt-on fitment to the 991.2 mid-pipe or link pipe junction — no fabrication required
- Genuine Akrapovic product manufactured in Slovenia to full motorsport quality standards
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2016-2017 | Porsche | 911 | Carrera |
| 2016-2017 | Porsche | 911 | Carrera S |
| 2016-2017 | Porsche | 911 | Carrera 4 |
| 2016-2017 | Porsche | 911 | Carrera 4S |
| 2016-2017 | Porsche | 911 | Carrera GTS |
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | S-PO/TI/5H |
| System Type | Slip-On Line (Muffler Replacement) |
| Material | Grade-1 Titanium |
| Tip Type | Titanium Oval Tips (Included) |
| Porsche Platform | 991.2 (2016-2017) |
| Engine | 3.0L Turbocharged Flat-6 |
| ECE Approved | Yes (Carrera, Carrera S, Carrera 4, Carrera 4S) |
| Body Style | Coupe and Cabriolet |
| Brand | Akrapovic |
| Country of Manufacture | Slovenia |
| UPC | 3831113542685 |
What's Included
- Akrapovic S-PO/TI/5H titanium Slip-On Line muffler assembly
- Titanium oval exhaust tips
- All required mounting hardware and clamps
- Akrapovic installation instructions
Frequently Asked Questions
Which 2016-2017 Porsche 911 991.2 variants does the S-PO/TI/5H fit?The S-PO/TI/5H fits the 2016 and 2017 Porsche 911 Carrera, Carrera S, Carrera 4, Carrera 4S, and Carrera GTS on the 991.2 platform, including both coupe and cabriolet body styles. It is specific to the 991.2 generation (introduced 2016) and is not compatible with the earlier 991.1 platform.
Does the S-PO/TI/5H work with the 991.2's factory sport exhaust valve system?Yes. The S-PO/TI/5H is engineered to interface with the factory sport exhaust valve system on the 991.2. The electronic valve and its driving mode sound programs continue to operate normally after installation, so the Normal, Sport, and Sport Plus mode sound behaviors are preserved and enhanced by the Akrapovic titanium construction.
What is the difference between titanium tips and carbon fiber tips on the 991.2 911?The S-PO/TI/5H includes titanium oval tips rather than carbon fiber tips. Titanium tips offer a brushed metallic finish that complements the 991.2's sport design language and, unlike carbon fiber, are not vulnerable to heat discoloration over prolonged use. The titanium tip aesthetic is more understated and suits owners who prefer the metallic look over the carbon fiber alternative available on other Akrapovic 911 system configurations.
Is the S-PO/TI/5H ECE approved for the 911 GTS?The ECE type approval covers the Carrera, Carrera S, Carrera 4, and Carrera 4S variants. The Carrera GTS is listed as a fitment application, but the ECE approval scope does not extend to the GTS variant. Buyers with 911 GTS models should verify local road use requirements applicable to non-type-approved exhaust modifications in their jurisdiction.
How does titanium compare to carbon fiber construction on an exhaust system?Titanium is the primary structural material of the S-PO/TI/5H muffler body. Grade-1 titanium provides exceptional strength at low weight, superior heat resistance, and inherent corrosion resistance, making it the premium choice for exhaust system construction. Carbon fiber is used for cosmetic components like end caps and tips on some Akrapovic systems, but the structural advantages of titanium in the muffler body are what deliver the significant weight reduction this system provides.
How much weight does the S-PO/TI/5H save over the factory 991.2 exhaust?The S-PO/TI/5H delivers measurable weight reduction compared to the factory stainless steel muffler assembly. Akrapovic's technical documentation specifies the exact weight saving for the 991.2 platform. Titanium's lower density versus stainless steel is the primary driver, and the weight reduction at the rear of the 911 contributes to improved rear-axle balance characteristics.
Will the S-PO/TI/5H fit the 2016-2017 911 Targa variants?The S-PO/TI/5H is specified for the Carrera, Carrera S, Carrera 4, Carrera 4S, and Carrera GTS. Akrapovic does not list the 991.2 Targa variants as confirmed fitment for this system. Buyers with Targa models should contact us to confirm fitment compatibility before ordering.
Is the S-PO/TI/5H street legal in California?The S-PO/TI/5H does not carry a CARB Executive Order number. While the system retains the factory catalytic converter and is not a decat product, it is not CARB certified for use in California on public roads. Buyers in California and other states that follow CARB emissions regulations should confirm local compliance requirements before purchasing this system.
Installation Overview
- Allow the factory exhaust system to cool completely before beginning work.
- Raise and securely support the Porsche 911 on a lift or rated jack stands with wheels chocked.
- Apply penetrating lubricant to all factory muffler mounting hardware and rubber hangers and allow a 15-minute soak.
- Disconnect the factory muffler at the link pipe or mid-pipe junction, loosening the clamp or flange hardware.
- Release all rubber hangers and carefully lower the OEM muffler assembly.
- Position the Akrapovic S-PO/TI/5H assembly and connect to the link pipe junction, hand-tightening only at this stage.
- Attach all rubber hangers to their mounting pegs and verify the system clears all chassis and body components.
- Torque all fasteners to the specification in the Akrapovic installation instructions, working from the front connection rearward.
- Start the vehicle and check all connection points for exhaust leaks under load.
- Re-torque after the first full heat cycle to account for thermal expansion of the titanium assembly.
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