HKS Super Header Type II - SXE10

This item uses high quality SUS304 stainless steel to fight against cracking. HKS Super Header, which offered ideal exhaust efficiency, has now returned as a further improved type II model. This new version takes the basic concepts of efficient exhaust construction one step further. New billet flanges are used to get high precision build quality which is only achievable through billet construction.

HKS conducted tests on many different engine types and found that 4-2-1 construction ideal for street use. 4-1 designs work well in racing applications as the short pipe before the join allows maximum power to be extracted at high revs. For street use, a longer pipe is required before joining into one. A 4-2-1 design allows this to be achieved and thus gives more torque at lower revs which is more suited to street driving. By making the joins of the individual ports as straight as possible, exhaust gas is accelerated and thus pulls exhaust gas from the engine improving efficiency.

In order to achieve maximum efficiency, the flange is shaped in the port to make the change in shape from oval to round as smooth as possible. This is enhanced by careful tig welding on the inside of the joints which aims to make the joint smoother and achieve the best results.

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