Originally Posted by jay25RS
did you remove the rubber 'end caps' from the hose? I was running stg 2 on my 2010 WRX and I removed those and NEVER had a problem.
Yep, do this, and then clamp it back down nice and tight and you shouldn't ever have problems with that hose ever again. Will hold 25+psi with the end caps removed. If you want even more security, reinstall with T-bolt clamps instead of the OEM worm clamps.