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The MagnaFlow 4.00in Y-pipe is a universal stainless-steel junction piece designed to simplify custom exhaust routing and improve flow balance. Constructed with corrosion-resistant stainless steel, CNC precision fabrication, and mandrel-bent tubing, it encourages smoother transitions and better flow performance. Backed by MagnaFlow’s limited lifetime warranty, it’s a durable choice for custom exhaust systems.
MagnaFlow Smooth Trans Y 4 x 13inch C/D SS
