GrimmSpeed 02-07 WRX Top Mount Intercooler - Manual (Page 10)

Figure 15: Transfer rubber bushings
13. The last step before installing your TMIC is to replace the factory BPV recirc
hose. This is the longest of the four silicone couplers in the kit. Remove your
stock unit by compressing the tension clamps on either end and sliding them
down before pulling the hose off. You may choose to reuse the stock tension
clamps on your reinstall, but we’ve also provided t-bolt clamps. It may be a
tight fit on your stock BPV connection, so be patient. It can help to wet the
coupler slightly.
Figure 16: Remove stock BPV hose
Remove stock BPV hose