Injen's downpipe is a must have for the latest Subaru WRX and STi models. This Downpipe is built from 76mm mandrel bent stainless steel tubing for maximum flow and durability. The connecting head to the turbo is constructed from a one-piece cast stainless steel collector. This fantastic down pipe will maximize exhaust flow and also eliminate restriction.
- HP Gains: +24.6 hp
- TQ Gains: 11.2 lb/ft
- Includes High-Flow Catalytic Converter
- 76mm Stainless Steel Tubing
- Stainless Steel Collector
- Subaru Impreza WRX 2.5L 08-11
- Subaru WRX STi 2.5L 08-11