Helix V3 Downpipe with High-Flow Cat Subaru Impreza WRX/ STi '02+

-200 cell metal substrate cat

-TIG welding

-Cast Bellmouth head

-Wide Band 02 port

Helix DNA Series High-Flow catalytic converters provide an exceptional balance between maximum power and emission cleanliness. Our high-flow catted products features 200 cell Metal Substrate Catalysts for maximum performance and emissions reduction. We offer complete bolt on applications that have been tested to pass stringent California emissions standards. Our products incorporate full SUS304 stainless steel piping for maximum durability and good looks. Only the finest materials and manufacturing processes are used to ensure a perfect product every time. Every vehicle application is extensively researched and tested before final designs are approved for production.

- 100% SUS304 Stainless Steel

- Robotic TIG Welding

- Thermal boundary heat-shield for rapid light-off and maximum catalyst efficiency

Features: 200 Cell Metal Substrate High Flow Cat with Thermal Shield

Piping Diameter: 76mm

Material: 304 Stainless Steel

Helix V3 Downpipe with High-Flow Cat WRX/ STi '02+