Our y-pipe collector is what sets the SOHO Motorsports exhaust apart from the rest. With our unique cone-taper style collector the exhaust gases from each bank merge smoothly together and exit our single exit exhaust in the most efficient manner possible. The unique collector in our y-pipe helps minimize any turbulence that may occur as the two exhaust flows merge together into one. Many y-pipes on the market today just force the two flows together creating excessive turbulence and therefore decreased power. This clumsy transition is also one of the main causes for the dreaded rasp on VQ’s. On the SOHO Motorsports exhaust system the gases come together into one stream as the piping diameter gradually increases with the use of our unique cone that increases from 2.5 inches in diameter to 3 inches in diameter over an 8 inch span. With this design the inlet side of the y pipe is 2.5 inches in diameter and the exit is 3 inches in diameter. Allowing the pipe to remain at 2.5 inches in diameter until the merger and then gradually increasing the overall diameter of the pipe to 3 inches creates a vacuum effect making exhaust gases reach a state of higher pressure at the beginning of the collector and in turn a lower pressure at the larger end. As with anything in dynamics, the path of least resistance is the path best chosen and with the overall diameter of the collector gradually increasing with the use of our unique cone the exhaust gases will tend to bring the higher state gases into the lower state therefore gradually merging in the smoothest transition possible as it exits the y-pipe into our amazing sounding single exit cat back exhaust.