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EVOMS 750-900hp Коллекторы Porsche 997/996

Производитель: Evolution MotorSports

Design Inspiration: Evolution MotorSports stainless steel headers are meticulously engineered, tested and manufactured to improve performance for a wide variety of applications. Our design approach was not limited to building a “one size fits all” header for every application. Through our extensive testing and development process, we have created a variety of different headers that are properly sized for a wide range of power levels. Producing many different size headers is not cost effective or efficient from a manufacturing perspective; however, we believe that providing the most efficient and best designed headers for various power levels is far more important. Technical Details: · Manufactured with a 2-piece header to head flange and internally welded like the OEM Porsche headers · Reduces thermal stresses caused by expansion and contraction · Minimizes risk of header cracking · Argon purged for optimized weld quality / weld joint penetration · Retains OEM ground clearance which minimizes the risk of damaged headers · EVOMS headers provide an additional 1.25” of ground clearance as compared to other aftermarket headers · CAD engineered, virtual and real world tested for optimum efficiency and performance · Available in different primary tube sizes which have been developed specifically for a variety of power applications Different diameter headers will change the exhaust velocity and overall flow from the heads to the turbochargers. Smaller headers can generate a quicker boost response, however, they can cause exhaust “choke” by not allowing enough exhaust volume to sustain higher power levels. Conversely, headers that are too large in diameter can reduce the amount of exhaust velocity causing slower turbocharger boost response and a loss in bottom end power. An optimized header for a specific power application will improve mid range power and torque throughout the entire rev range. Our header designs optimize the exhaust flow through the mandrel bent primary tubes and merge collectors. They have superior flow characteristics compared to the OEM header and are size specific depending on application and desired power. Our headers also maintain the stock amount of ground clearance which eliminates the risk of header damage from a low hanging primary tube which is common for most other aftermarket headers. Benefits: · Increases horsepower and torque · Up to 30 HP & 30 lb/ft. TQ - depending on application · Typical gains are ~15 HP/TQ · Optimizes exhaust flow for increased power in the higher RPM’s · Improves turbocharger spool characteristics for increased mid range torque · Perfect fit - direct replacement for the OEM headers · Meticulously hand fabricated in our AZ headquarters by EVOMS Master Fabricator: Al Berini · Manufactured with the finest grade stainless steel · 50 state emissions legal · Lifetime warranty against cracking / manufacturing defects – Original purchaser.

Цена: 3900.00$

Постоянная ссылка на данный товар:
http://top-speed.ru/products/evoms-750-900hp-kollektory-porsche-997996-21.html

3900.00$

Fabspeed Коллекторы Porsche 997

1830.00$

AWE Tuning Коллекторы Porsche 996

Производитель: AWE Tuning

Our industry standard 321 Stainless 997TT Headers are a direct replacement for the OEM 996TT Headers! Now 996TT owners can enjoy the perfect fitment, proven results and terrific build quality that 997TT owners have experienced with our headers. While developing our 700S and 750R turbo packages for the 997TT, it became quite apparent that the stock exhaust manifolds were not up to the task of maximizing power output. However, it was also obvious to us that proper header development was more than just a matter of larger piping. In order to equalize flow across all the cylinders, careful study of the available space was in order. Also in order to provide adequate road clearance while not taking any shortcuts with tubing arrangements, we painstakingly digitized the interface between cylinders heads and turbos and then CAD designed a primary and secondary tube solution that far exceeds in quality any other design currently on the market. This highly engineered approach also ensures fitment that is unparalleled in the industry. During chassis dyno testing, we experimented with different tubing diameters, and zeroed in on 1 5/8 inch primaries for an excellent balance of quick turbo spool up and massive high rpm flow. Larger diameters proved to seriously harm low end power and turbo spool characteristics. We also experimented with various heat barriers and coatings, but in the end could not make a case for them on this car. Extensive data logging and track testing also exposed the need to use 321 grade stainless steel to ensure long reliability of header assemblies. These are the only 321 stainless headers available for the 996TT. Further, our headers are TIG Purge welded in house to ensure the strongest of weld joints and the smoothest of internal flow. Were so confident of our headers to withstand the extreme temperatures seen in turbo charged power production, that we offer a lifetime warranty to the original purchaser. Below are pictures and dyno sheets highlighting the exquisite build quality and development history of the best headers available for the 996TT. As with all AWE Tuning exhaust products, each TIG weld is hand finished internally, only butt-welded junctions are used, and flange openings are size matched to their ports, all to produce the smoothest flow possible. It is this intensive attention to detail that sets AWE Tuning exhaust products heads and shoulders above the rest. Our exhaust systems are handbuilt works of art, are award winning, and are what your Porsche deserves.