MagnaFlow Muffler Trb SS 4X9 14 2.25/2.

XL Mufflers are a reversible reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow. MagnaFlow Performance Exhaust Muffler 13148 is made of durable stainless steel and built using CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited lifetime warranty.