MaxFlow Xtreme exhaust systems by SpeedFX are built using T-304 austenitic stainless steel which will not pit or rust. 300 series stainless steel weld filler supports the overall quality and durability of the system. Smooth mandrel bend angle ensure maximum air flow for the very best sound and performance. CNC manufacturing creates precise fitment and reduces installation times. The MaxFlow Xtreme muffler provides a rich, aggressive tone that will turn heads and make you smile. Dual side or dual rear exit options are included on applicable systems.