GENUINE HKS BACKBOXES AVAILABLE IN BOTH NEOCHROME AND SILVER BURNT TITANIUM.
The universal HKS Hi-Power muffler assemblies are the same high-quality units used in the HKS bolt-on exhaust systems.
The Hi-Power muffler shell designs are available in 76mm and 63mm inlet size (respectively)
these two custom piping diameters for use with custom exhaust applications.
Contact us to specify which size and colour you are looking for.