Hi all I was looking at the stock exhaust and planning on customizing it. I know the tls shares the same engine and yet it has a single center pipe then splits to dual. I was thinking of doing the same with a 3 inch center pipe split to dual. Any exhaust guys out there know why the RL has dual and TL single when same engine? My thoughts were pulley to keep it quiet. I think a smooth transition from j pipe to 3 inch single back to y pipe and dual out. Any disadvantages to this??
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