Kline Innovation Valvetronic Exhaust System for 992 Porsche 911 GT3

$5,334.00$7,843.00

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Kline Innovation Valvetronic Exhaust System

Stainless steel is standard.

For 100 & 200 cell catted manifolds only

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SKU: KL-POR-992GT3-VALVE-RS Category: Vehicle: , , , Brand:
This item and any similar items are not CARB approved and therefore not for sale in the state of California or other states that require CARB certification. No assessment is being made regarding this product's compliance with the EPA's anti tampering policy, only that the necessary testing and validation has not been completed. Please check with your local enforcement officials regarding legality of use in your place of residence.
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Kline Innovation Valvetronic Exhaust System for 992 Porsche 911 GT3

The Porsche 992 GT3 stands as the latest edition in the lineage of track-dedicated 911s. Housing a 4-liter flat 6 boxer engine, which churns out 503hp at 8400 rpm, and framed with a new aluminum and steel chassis, this vehicle has rightfully earned its supercar status. However, its exhaust, which is muted by manufacturing sound and emission restrictions, leaves room for a sonic enhancement.

The Sound

  • The primary constraint on the sound of the stock exhaust is its 600cpsi catalysts and OPF filter. The subsequent installation of either HJS high-flow race catalysts or Kline’s long tube header with racing pipes design, significantly boosts the sound. Exhaust gases are then directed through one of two routes in the silencer section. When the valve is open, the transit is fully free-flowing for optimal sound. When the valve is closed, the gases traverse Kline’s harmonically tuned silencer, effectively eliminating cruising drone. The integration of Kline’s signature tight-radius x pipe considerably amplifies the exhaust’s pitch, turning it into a raucous yet pleasing, incendiary scream, without hindering gas transit. Furthermore, the use of Inconel 625 adds a unique sound, augmenting the inherent characteristic sound of the Kline system. Its exceptionally thin sidewall resonates to emit an even higher-pitched scream at high revs.

Performance

  • The most significant performance improvement results from removing restrictions in the stock headers. Kline headers and silencer sections are designed to work in harmony for maximum performance and sound. Kline’s system and headers come in two configurations: 100 cpsi catalysts for a maximum gain of 25 hp and 32nm, or racing long tube headers for a maximum gain of 31hp and 38nm.

Stainless Steel

  • The exhaust manufacturing industry often opts for 304-grade stainless steel, admired for its strength, thermal stability, cost-effectiveness, and ease of workability. However, its hefty weight and limited tensile strength can prove to be a disadvantage when integrated into high-performance exhaust components. Moreover, the necessity for thicker walls may negatively impact the exhaust’s sound.

Inconel

  • In contrast, Inconel 625 is highly regarded for its sturdiness and heat resistance. This material, often employed in constructing key components like high-performance jet engine exhaust turbine blades, is the preferred choice for Formula One exhaust systems and esteemed hypercar projects such as the McLaren P1 and Aston Martin 177. Despite its ability to endure temperatures exceeding 1000°C and its commitment to a lightweight design, Inconel brings unique challenges due to its intricate machinability and specialized welding requirements.

Carbon Fiber

  • Finally, the carbon fiber-reinforced polymer, known for its impressive strength-to-weight ratio, is highly sought-after in sectors like automotive and aerospace. Its incorporation can result in weight reduction and increased stiffness, ultimately enhancing the vehicle’s overall performance.

Specifications

  • Materials:
    • Rear Silencer Section: 304 Grade Stainless Steel 16kg / F1 Grade Inconel 625 Superalloy 9kg (light)
    • 100 / 200 Cell Manifolds: 304 Grade Stainless Steel / F1 Grade Inconel 625 Superalloy 4kg Each (light)
    • Racing Long Tube Manifolds: 304 Grade Stainless Steel / F1 Grade Inconel 625 Superalloy (light)
    • Stainless steel tips are included in price while carbon fiber tips are an upgrade

Applications

  • Porsche 911 GT3: 992 (2021+) – 4.0L Flat-6

Notes

  • Despite the images highlighting the manifolds and carbon fiber tips, it’s crucial to note that these elements aren’t part of the standard package.

About Kline Innovation

At Kline, exhaust design is approached with utmost seriousness. The company adopts a no-compromise stance when it comes to delivering a product that meets the highest standards and satisfies customers’ expectations. Kline offers a comprehensive original equipment design and manufacturing service. Starting from provided drawings or design briefs, the team utilizes advanced 3D modeling techniques to create final designs. They also provide valuable consultation during the process and are capable of manufacturing tooling and fixtures for production, as well as handling final production runs, particularly catering to low to medium volume needs. Kline’s commitment to excellence ensures that customers receive a top-quality product without any compromises.

Development

  • All projects at Kline are executed entirely in-house, utilizing a diverse range of processes. These internal capabilities include laser scanning, CNC laser cutting, CNC mandrel bending, tubing and silencer manufacturing, CNC welding, pressings, CNC milling, mold manufacturing, and autoclave carbon fiber production. Notable automotive clients, such as W Motors with their Fenyr Supersport, Corbellati Missile, and RUF Automobil, have recently collaborated with Kline.
  • Kline has expanded its design and manufacturing process by incorporating laser scanning capabilities. This valuable addition enables the team to achieve enhanced precision in both design and quality control, resulting in an exceptional end product for customers. The adoption of laser scanning technology at Kline showcases the company’s unwavering dedication to delivering superior outcomes.

Kline Innovation Exhaust Boutique Trailer

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Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.
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