{"product_id":"akrapovic-evolution-header-set-titanium-porsche-718-gt4-rs-spyder-rs","title":"Akrapovic Titanium Evolution Header Set Porsche 718 GT4 RS \/ Spyder RS (2022+)","description":"\u003cp\u003e\u003cspan\u003eUnlock the full performance potential and motorsport-inspired sound of your Porsche 718 Cayman GT4 RS or Spyder RS with the Akrapovič Evolution Header Set (Titanium). Developed specifically for Porsche's high-revving 4.0L naturally aspirated flat-six engine, these premium titanium exhaust manifolds combine advanced exhaust flow engineering, substantial weight savings, and race-proven technology to deliver a more responsive and exhilarating driving experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned as the ultimate addition to Akrapovič's titanium exhaust system for the GT4 RS and Spyder RS, the Evolution Header Set was developed and tested alongside the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAkrapovič Slip-On Race Line (Titanium)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. When combined with the corresponding titanium link pipes, the complete exhaust system delivers significant improvements in horsepower, torque, exhaust response, and sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of the Evolution Header Set is a unique \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emanifold runner crossover design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, incorporated into each side of the exhaust system. This specialized configuration is engineered to optimize exhaust gas movement and improve engine performance throughout the midrange, where additional torque can have a substantial impact on acceleration and throttle response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional exhaust headers, which may prioritize peak power at the expense of midrange performance, Akrapovič's crossover design is developed to improve the overall power delivery of Porsche's naturally aspirated flat-six engine. The result is a more engaging driving experience, particularly when accelerating out of corners or transitioning through the engine's operating range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe headers are manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-grade titanium\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, offering exceptional strength, corrosion resistance, and thermal durability while dramatically reducing weight compared with the original exhaust manifolds. Akrapovič reports a weight reduction of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.0 kg (10.9 lbs)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, representing roughly 51% less weight than the factory header assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReducing exhaust system weight is especially valuable in the Porsche 718 GT4 RS and Spyder RS, where lightweight construction and vehicle balance are central to the driving experience. The titanium headers eliminate unnecessary mass while maintaining the durability required for demanding high-temperature motorsport applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič also incorporates precision-cast components manufactured in its own titanium foundry. Among these are the specially developed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree-into-one collectors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered to provide smooth exhaust gas transitions from the individual cylinder runners into the remainder of the exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese collectors are designed to minimize unnecessary flow restrictions and support efficient exhaust scavenging, allowing the naturally aspirated engine to breathe more effectively throughout its operating range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen installed with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAkrapovič Slip-On Race Line (Titanium) and Link Pipe Set (Titanium)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the complete system produces manufacturer-reported gains of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e35.4 metric horsepower at 4,900 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e50.9 Nm (37.5 lb-ft) of torque at 4,900 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e compared with the original factory exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese figures were recorded during Akrapovič's dynamometer testing using a Porsche 718 Cayman GT4 RS. They represent the performance improvement of the complete exhaust configuration rather than the titanium headers installed independently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBeyond measurable performance improvements, the Evolution Header Set dramatically enhances the exhaust character of Porsche's 4.0L flat-six engine. Akrapovič engineers the system to produce a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edistinctive high-performance racing sound\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with pronounced engine harmonics, aggressive acceleration tones, and a sharp acoustic character during gear changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe headers are compatible with both \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOPF-equipped and non-OPF vehicles\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing the same titanium header design to support different regional GT4 RS and Spyder RS configurations when paired with the appropriate exhaust components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the Evolution Header Set is intended for maximum-performance competition applications, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eECU remapping is mandatory following installation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The system is designed for closed-course racing environments and does not meet emissions compliance requirements for public road or highway use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor Porsche 718 GT4 RS and Spyder RS owners building a dedicated track-focused vehicle, the Akrapovič Evolution Header Set provides an exceptional combination of advanced titanium engineering, substantial weight reduction, increased exhaust performance, and unmistakable motorsport sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2022–2026 Porsche 718 Cayman GT4 RS (982)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to vehicle-specific verification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2024–2026 Porsche 718 Spyder RS (982)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to vehicle-specific verification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.0L naturally aspirated flat-six engine\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOPF-equipped vehicles\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enon-OPF vehicles\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned and tested with the Akrapovič Slip-On Race Line (Titanium)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntended to be paired with the Akrapovič Link Pipe Set (Titanium)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Akrapovič Slip-On Race Line: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS-PO\/TI\/24\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Akrapovič Titanium Link Pipe Set: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eL-PO\/T\/17\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eECU remapping is mandatory\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor closed-course competition use only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes not meet emissions compliance requirements for street or highway use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance figures apply to the complete Akrapovič exhaust configuration, not the headers alone\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify complete exhaust compatibility before ordering\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation and appropriate ECU calibration required\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič Evolution Header Set (Titanium)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLeft-side titanium exhaust header assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRight-side titanium exhaust header assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntegrated titanium manifold runner crossover components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision-cast titanium three-into-one collectors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-supplied installation components as specified in the kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRequired \/ Complementary Components Sold Separately:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič Slip-On Race Line (Titanium) – \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS-PO\/TI\/24\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič Link Pipe Set (Titanium) – \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eL-PO\/T\/17\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eECU remapping and calibration\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAkrapovič\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduct Line: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEvolution Header Set\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer Part Number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eE-PO\/T\/8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTitanium Performance Exhaust Headers\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle Application: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePorsche 718 Cayman GT4 RS \/ Spyder RS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChassis: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e982\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngine: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.0L Naturally Aspirated Flat-Six\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust Material: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Grade Titanium\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeader Configuration: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eManifold Runner Crossover Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCollector Configuration: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThree-Into-One\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCollector Manufacturing: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Casting\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturing Technology: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAkrapovič In-House Titanium Foundry\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeader Assembly Weight: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.7 kg (10.4 lbs)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Reported Weight Savings: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.0 kg (10.9 lbs)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Reported Weight Reduction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eApproximately 51%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Reported Complete System Power Gain: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e+26 kW \/ +35.4 Metric HP at 4,900 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Reported Complete System Torque Gain: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e+50.9 Nm \/ +37.5 lb-ft at 4,900 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDyno Test Vehicle: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePorsche 718 Cayman GT4 RS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePower and Torque Reference: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eComplete Akrapovič Exhaust System Versus Factory Exhaust\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič Dyno Peak Power Reading: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e522 kW at 8,350 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAkrapovič Dyno Peak Torque Reading: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e481.7 Nm at 5,450 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Reported Complete System Sound Increase: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14.5 dB at 3,750 rpm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-Listed Installation Time: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120 Minutes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Slip-On Race Line: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS-PO\/TI\/24\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Titanium Link Pipe Set: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eL-PO\/T\/17\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOPF Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNon-OPF Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eECU Remapping: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMandatory\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEmissions Compliance: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNot Street or Highway Compliant\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntended Application: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eClosed-Course Competition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAkrapovič, Slovenia\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-grade titanium construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reduces header assembly weight by approximately 10.9 lbs compared with the factory system while providing the strength and thermal durability required for demanding motorsport applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInnovative manifold runner crossover design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e optimizes exhaust gas flow and enhances midrange engine performance, delivering improved throttle response and acceleration characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision-cast three-into-one titanium collectors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e promote smooth exhaust gas transitions and efficient scavenging, supporting improved exhaust flow throughout the engine's operating range.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUp to 35.4 metric horsepower and 37.5 lb-ft of manufacturer-reported complete-system gains\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when paired with the Akrapovič Slip-On Race Line and titanium link pipes, based on testing against the factory exhaust.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAggressive motorsport-inspired exhaust sound\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e produces a distinctive racing character with enhanced engine harmonics, pronounced acceleration tones, and sharp acoustic transitions during gear changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineered for Porsche GT4 RS and Spyder RS applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with compatibility for OPF and non-OPF configurations, providing a premium titanium header upgrade for dedicated closed-course performance builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":67954251104576,"sku":"E-PO\/T\/8","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/53ca0cbc-1d91-482a-aa91-a0b0966d20f0.png?v=1793718746","url":"https:\/\/www.forzamotorworks.com\/products\/akrapovic-evolution-header-set-titanium-porsche-718-gt4-rs-spyder-rs","provider":"Forza Motor Works","version":"1.0","type":"link"}