Akrapovic 2021-2023 Porsche 911 GT3 Titanium Slip-On Race Line Axle-Back Exhaust & Titanium Evolution Header Set

Developed solely for the 911 GT3 (992), this high-grade lightweight titanium system is sandblasted and coated for durability. The completely new design includes twin tailpipes, with the outer shell coated and the inner sleeve featuring six imprints to match the six-cylinder engine, with an engraved Akrapovič logo to complete the visual effect. The housing of the exhaust valves – which have been tailored perfectly to the gas flow to produce a smooth, rich tone at normal cruising and a sporty sound experience at higher revs – and the collectors in the muffler is cast in the Akrapovič in-house foundry. When combining the Slip-On Race Line (Titanium) with the Slip-On Race Line Adapter (SS), the weight is decreased by 20.7% (3.5 kg) against the standard system and performance sees an increase of 6.5 kW (8.8 hp) in power at 2,900 rpm and a torque rise of 24.1 Nm at 2,400 rpm when tested on the Akrapovič dyno against a Porsche 911 GT3 (992) with a standard stock exhaust. This system is intended for use on closed-course competition circuits only because it is a racetrack-oriented part. No remapping of the ECU is required.

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This product is made using high-grade titanium, with the parts sandblasted and coated for durability. This new header set has a routing that has been designed to perfectly direct the gas flow. Showcasing the special manifold crossover pipes in the headers, cast in the Akrapovič in-house titanium foundry, this innovative design comes directly from race-proven exhaust systems, and this is the first time it has featured in an Akrapovič aftermarket car exhaust. This masterpiece of engineering is designed solely to optimize the performance of the Slip-On Race Line (Titanium) in the midrange. Many parts in the headers are cast in the in-house foundry, and the complete use of titanium results in a weight saving of 3.8 kg, which is 28% lighter than the stock equivalent.

Tuned quarter-length resonators in addition to the catalytic converters ensure the sound quality and the absence of any distortion or unwanted frequencies, creating a unique sound experience. The combination of an Akrapovič Slip-On Race Line (Titanium) and Evolution Header Set (Titanium), developed for use on closed-course competition circuits only, provides increases of 16.6 kW (22.6 hp) in power at 4,550 rpm and 35.2 Nm in torque at 4,500 rpm, when tested on the Akrapovič dyno against a Porsche 911 GT3 (992) with a standard stock exhaust.

When installing the Akrapovič Evolution Header Set (Titanium) on vehicles with particulate filters, remapping the ECU is mandatory to prevent potential “check engine light” warning signals. When installing the Akrapovič Evolution Header Set (Titanium) on vehicles without particulate filters, remapping the ECU is recommended.

This system fits also on vehicles equipped with Otto particulate filter (OPF).

THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.

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Evolution exhaust systems are usually based on the Slip-On system, with additional link pipes. The Evolution Line helps deliver even more power and torque, unique resonant sound as well as weight reductions. These exhaust systems are available with a range of exquisite tailpipes in either carbon fibre or titanium.

Optional Akrapovic Carbon Fiber Rear Diffuser Available