HKS Extension Kit - GTR

The factory item provides exhaust flow from the main & bypass manifolds to the turbine.

The factory item provides exhaust flow from the main & bypass manifolds to the turbine.

When the blow off valve's actuator is activated, primary & secondary back pressure decreases the forced induction flow and results in a drastic engine power loss. The HKS Extension Kit is designed & developed to prevent such a power loss scenario. This extension kit improves the turbine efficiency & performance to elimiminate a sudden loss in engine power. This is acheived by separating the the main & bypass manifolds, and thus eliminating any exhaust interferences due to back pressure from the exhaust flow. This enable the factory turbine to perform efficiently since the loss happened nearer to the flange extension. This means the exhaust flow collector is attached to the lower portion where back pressures & exhaust flow intereferences are low. This also minimizes the exhaust flow resistance by expanding the size of the main manifold immediately after the turbine exit. This resulted in prevention of secondary back pressure and enable a stable forced induction pressure which will see improved engine power. The use of high quality stainless steel material in the extension kit's construction provides superior heat resistance, corrosion resistant, reliability, and durability.
Did you know that the Japanese Katana was the strongest sword ever made so it goes without saying with that history in hand even today Japanese steel is the finest throughout the world. They may be copies of of dumps pipes etc and they may look they same as a Japanese brand, but it all boils down to the intensity of the steel. Before a new product goes on the market, the performance brand companies here in Japan do mega testing on there products. After all these after market parts are for racing. Cheaper versions have not been tested and they haven`t been proven on the race track.
Product Version Vehicle Compatibility Price Order
Nissan - Skyline - BNR32,BCNR33,BNR34
Skyline - R32 GTR - BNR32
Skyline - R33 GTR - BCNR33
Skyline - R34 GTR - BNR34
USD $ 623.97
USD $ 711.77
Vehicle Compatibility
Nissan - Skyline - R32 GTR - BNR32
Nissan - Skyline - R33 GTR - BCNR33
Nissan - Skyline - R34 GTR - BNR34
Nissan - Skyline - BNR34 V-Spec
Skyline - R34 GTR - BNR34
USD $ 551.33
USD $ 632.82
Vehicle Compatibility
Nissan - Skyline - R34 GTR - BNR34
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Nengun Performance
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.