2Bros ST18-up 2-1 Inox w/carbon cap

Two Brothers Racing 2-into-1 exhaust systems are designed to deliver maximum torque. They feature race-inspired stainless steel headers that shave pounds off the competition to ensure a long lasting, weather-resistant, amazing sounding exhaust. Exhausts come complete with heat shields. From the engine, the exhaust flows through our 13/4″ stainless tubing which includes O2 bungs to accommodate both stock and 18mm sensors. From here the exhaust steps up to 17/8″ before dumping into the spring retained collector for increased torque. The exhaust then emerges from the collector into a 4″ diameter muffler to deliver an unparalleled sound upon exit. Competition-S exhausts feature removable end caps in aluminum or carbon fiber.

HS Number: 8714104000

Note: Except where mentioned differently, all exhaust systems, mufflers, drag-pipes, etc. shown in our catalog, are for closed course competition or in show competition only. They will not meet legal noise and emission standards.