This header is covered by California Air Resources Board EO # D-276-12 for 2001-2003 WRX. Please note that even though this header will fit models from 2001-2018 the EO # ONLY covers 2001-2003 WRX.
Increased performance through efficient flow…Greater durability through high quality, T-304 austenitic stainless steel, material and a unique, stiffened, flex joint.
Each header is built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit.
Best of all, it's made in the USA and backed by the BORLA® Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
- Collector (Outer Diameter) - 2.25"
- Primary Tube (Outer Diameter) - 1.625"