The MagnaFlow 5x8x18 oval straight-through stainless steel muffler combines a smooth, deep tone with freer exhaust flow. Its perforated stainless core wrapped in stainless mesh and acoustic fiber fill provides dyno-proven performance and a controlled sound signature. The reversible universal 2.5/2.25in offset/dual inlet configuration supports flexible installation; satin finish, corrosion‑resistant construction and CNC manufacturing are covered by a limited lifetime construction warranty.
MagnaFlow Muffler Mag SS 18X5X8 2.5X2.25/2.25