Goes at the front of the axle-back exhaust section of many late model Subarus, including 2002-07 WRX and STI, turbo Forester, turbo Legacy, and more.
About 3.25″ wide, 4.75″ long. 3.75″ center-to-center on the bolt holes. Just under 2.5″ hole size.
Also applies to the axleback on the BRZ and FR-S
