Perrin Black Air Oil Separator Subaru WRX 2008-2014 / STI 2008-2021 w/ TMIC | PSP-ENG-606BK Vehicle Model_Altima The factory arms have an

The factory arms have an eye to eye length of 365mm

Using other up-pipes would only compromise performance

Feel - Smooth engagement

ST suspensions lowering springs are manufactured to the highest worldwide quality standards: they are wound out of high tensile steel

spring length is guaranteed not to sag more than 5mm

Perrin Black Air Oil Separator Subaru WRX 2008-2014 / STI 2008-2021 w/ TMIC | PSP-ENG-606BK Vehicle Model_Altima The factory arms have anFitment Information: 2008 2014 Subaru WRX w Top Mount Intercooler 2008 2021 Subaru STI w Top Mount Intercooler Features: Reduces the chances of detonation Traps oil from the crankcase ventilation before it enters the intake system Increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system Reduces carbon buildup in the combustion chamber, intake valves, and intake tract Separates engine oil from