High quality sound. Sport exhaust system with reduced noise level.

In addition to high performance and sporty appearance, Silent Hi-Power muffler reduces noise level, making it the best choice for more mature enthusiasts. The Silent Hi-Power mufflers are made of SUS304 grade stainless steel for high lustre and durability. HKS has introduced a “Silent Chamber” for specific applications. The Silent Chamber works to reflect sound waves created by engine to cancel each other out. This closed-end structure creates a high muffling effect with almost no effect on performance.

“Silent Chamber” for specific applications.

The straight structure is easily muffle high-frequency sounds. However, it is difficult to reduce the unpleasant low-frequency sound heard inside the cabin. The Silent Chamber can reduce this low-frequency sound. It works to reflect sound waves created by engine to cancel each other out. This closed-end structure creates a high muffling effect with almost no effect on performance.