MagnaFlow Performance mufflers for the BMW E46 M3 are 100% stainless steel and lap-joint welded for solid construction and rugged reliability even in the most extreme conditions. They feature a free-flowing, straight-through perforated stainless steel core, stainless mesh wrap and acoustical fiber fill to deliver that smooth, deep tone. Mufflers are packed tight with this acoustical material to ensure long life and no sound degradation over time. Backed by a life time warranty.
BMW E46 M3 2001-2006