Tsujiou Kosho (HST) produces original brand HST scarf.
In addition, we produce and sell silencers such as construction machinery and other soundproofing devices using the ability of the accumulated with automobile silencers.
Tail pipe has the ability to cool, mute and release purified exhaust gases into the air in the exhaust system.
In terms of silencing function, the length and aperture of the tailpipe changes the resonance characteristics and therefore you need to choose the tailpipe caliber that matches the exhaust flow rate.