GrimmSpeed 02-07 WRX Top Mount Intercooler - Manual (Page 16)

Figure 25: Bolt intercooler back down
20. At this point, the only loose end is the hardline that we disconnected for the
valve cover breathers. You can choose to reattach it if you’d prefer, but we
recommend using the included hoses and adaptors to replace the lines with
our hose. The figure below shows the hose installation using ½” hose, ½” Tee
and a ½”- ½” union. For the sake of this guide, I’ve used a 17” piece of hose. If
you prefer, a longer piece (we include 24”) can be used to sneak the hose
below your tmic for a cleaner install.
Install 12mm Bolt
Adjustment