FP Evo 9 Cast O2 Housing for FP SS Turbine Housing (6009030) Aeromotive Inline design works well as

Inline design works well as a stand-alone or as a booster pump

2008+ Lancer Ralliart 4B11

If you want a sneaky

(18) M6 Stainless Flat Washers (MW6360000)

5" (114mm) Top OD: 3

FP Evo 9 Cast O2 Housing for FP SS Turbine Housing (6009030) Aeromotive Inline design works well asThe Forced Performance Cast Evo 9 O2 housing is made specifically for use with the FP Evo 9 Stainless Steel turbine housings. This O2 housing utilizes a 3. 55" V Band to connect to the SS Turbine Housing and a factory style 2 bolt outlet flange with a true 3" outlet to connect to the down pipe. Vehicle Fitment: 2001 2006 Evolution VII VIII IX Fits the FP Evo 9 turbo with stainless housing Does NOT fit the Evo 4 5 6 models Downpipe Fitment: Most