Ultimate Racing 3" Catback Dual Muffler Exhaust | 2008+ Subaru STI | 2011+ WRX Hatchback (10047)PART#
304 stainless steel piping-
3/8" thick machined flanges-
Dual high-flow mufflers with straight through design
4" muffler tips (see below for choices)
Only 74dB at idle
29lbs vs 43lbs stock!
TIG welded to perfection- Bolt-on