R34 MagnaFlow Stainless Steel Muffler 4x9 Oval, 2.5"

These MagnaFlow performance mufflers are designed to give you more power and provide excellent sound. They feature a large-diameter, perforated stainless steel core and a straight-through design for unrestricted flow. They also have a stainless steel mesh for sound control and all-welded, lap-jointed contacts to avoid distortion or cracking at the seams.