Helix Stainless Steel Downpipe WRX/ STi '02: DISCONTINUED
Helix SUS Series downpipes 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. Helix downpipes employ the finest features to ensure maximum performance characteristics.
The Helix WRX/ STi Downpipe is the optimal downpipe for the performance minded Suby owner. This downpipe features a cast bellmouth which provides the absolute maximum exhaust flow and minimum back pressure by allowing the wastegate gases to exit without disrupting normal exhaust flow. The piping is full 3" Stainless Steel (304) polished, and the package includes gaskets & bolts. This downpipe replaces both cats and is designed for USDM fitment only. The combination of the Helix uppipe, downpipe, and exhaust system will yield 30+whp!
Piping Diameter: 76.4mm
Features: Cast Bell-mouth
Material: 304 Stainless Steel
Wide Band 02 Bung: Yes
Notes: USDM Fitment, replaces both catalytic converters, off-road use only
