Perrin Big Tube Uppipe WRX (2002-2014) STI (2004-2018) Legacy GT Engine (10-up) Works with both the OEM

Works with both the OEM

GEOMET® coating protects surfaces from rust and corrosion

2007+ E90 3 series: BMW 335i Sedan

Having a secondary O2 Bung saves you time and money because you will not have to pay a shop to install one for you

5 45mm (Part # 1455002 or 1455001)

Perrin Big Tube Uppipe WRX (2002-2014) STI (2004-2018) Legacy GT Engine (10-up) Works with both the OEMThe Perrin Big Tube Up Pipe is for Subaru builders who are using a larger stock location turbo but are limited by the flow rates of a stock sized up pipe. For the WRX, STI and Legacy GT, the Big Tube uppipe utilizes 2" ID 304 stainless steel tubing that is CNC mandrel bent and precisely welded to perfection without the need for a flex section. Flanges are all CNC machined from 1 2", 304 stainless steel to prevent warping and port matching is done for