{"product_id":"porsche-911-gt3-rs-st-9921-akrapovic-evolution-header-set-titanium","title":"Porsche 911 GT3 RS \/ S\/T (992.1) | Akrapovic | Evolution Header Set (Titanium)","description":"\u003cp\u003e\u003cstrong\u003eAkrapovič \u003c\/strong\u003eis the global leader in high-performance exhaust systems, proudly designed and manufactured in Slovenia. Renowned for their unmistakable sound, race-proven engineering, and commitment to innovation, Akrapovič is trusted by top manufacturers, motorsport teams, and enthusiasts worldwide. A materials technology company at its core, Akrapovič invests extensively in research and development to deliver a deep, rich exhaust note alongside improved performance and reduced weight. Since 2024, \u003cstrong\u003eTMC Motorsport\u003c\/strong\u003e has been the dealer of Akrapovič for the UK and Ireland, supporting purchases and installations through our handpicked dealer network and in-house performance workshop.\u003c\/p\u003e\n\n\u003ch2\u003eAkrapovič Evolution Header Set ” E-PO\/T\/9\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAkrapovič Evolution Header Set (Titanium) \u003c\/strong\u003eis a race-inspired upgrade engineered to elevate the performance and sound of the \u003cstrong\u003ePorsche 911 GT3 RS\u003c\/strong\u003e and \u003cstrong\u003e911 S\/T (992.1)\u003c\/strong\u003e. Tested and developed alongside the Slip-On Race Line (Titanium), this header set optimises gas flow and enhances midrange power, making it the perfect addition for track-focused enthusiasts. Crafted entirely from high-grade titanium, it achieves significant weight savings and showcases innovative manifold crossover pipes cast in Akrapovič™s in-house titanium foundry. This groundbreaking design has been derived directly from Akrapovič motorsport applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSound\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Evolution Header Set redefines the auditory experience of the Porsche 911 GT3 RS. Featuring tuned quarter-length resonators and catalytic converters system eliminates unwanted frequencies and distortion, delivering a unique, exhilarating sound. The result is a rich, high-frequency exhaust note with a \u003cstrong\u003e+10.1 dB increase at 3,750 rpm\u003c\/strong\u003e, enhancing the car™s visceral driving experience while reflecting Akrapovič™s motorsport heritage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineered for closed-course competition circuits Evolution Header Set unlocks the true potential of the Slip-On Race Line system. By further reducing back pressure and optimising exhaust routing, this upgrade delivers combined impressive gains of \u003cstrong\u003e+19.6 hp at 4,4750 rpm \u003c\/strong\u003eand \u003cstrong\u003e+36.4 ft-lb of torque at 2,600 rpm\u003c\/strong\u003e. The titanium construction reduces weight by \u003cstrong\u003e3.8 kg, making it 28% lighter\u003c\/strong\u003e than the stock headers. This weight reduction improves vehicle agility, handling, and overall balance. When paired with the Slip-On Race Line, this combination transforms the GT3 RS into even more of a track-ready powerhouse. ECU remapping is mandatory for vehicles equipped with particulate filters (OPF) and recommended for non-OPF vehicles to maximise performance and prevent warning signals.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery detail of the Evolution Header Set reflects Akrapovič™s engineering expertise and dedication to quality. The innovative manifold crossover pipes are meticulously cast in Akrapovič™s in-house titanium foundry, ensuring precise fitment and optimal gas flow. The sandblasted and coated titanium construction enhances durability and aesthetics, while the lightweight design contributes to the system™s overall performance gains. Designed and built for seamless integration, this is a hardware upgrade with no compromises.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0649\/1897\/files\/Porsche_911_GT3_RS_992_Akrapovi%C4%8Dc_Evolution_Dyno.webp?v=1734602156\" alt=\"\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCompliance, Compatibility and Warranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by Akrapovič™s 2-year product warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 GT3 RS (992.1) “ 2022“2025\u003c\/li\u003e\n\u003cli\u003ePorsche 911 S\/T (992.1) “ 2022“2025\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eECU remapping is mandatory for vehicles with OPF and recommended for non-OPF vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003c\/h3\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":54380315640193,"sku":"E-PO\/T\/9","price":7806.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0517\/6259\/3949\/files\/E-PO_T_9.webp?v=1749461592","url":"https:\/\/www.tmcmotorsport.com\/products\/porsche-911-gt3-rs-st-9921-akrapovic-evolution-header-set-titanium","provider":"TMC Motorsport","version":"1.0","type":"link"}