The factory rubber elbow leaks at the top and the bottom, you may have been lucky and had a good seal. I didn't and I still didn't even with the new elbow until I really cranked the t-bolts down.
__________________
Red Bull Drift Team 2008
Solo Mach and High Flow Cat
Dejon Intercooler, Intake Elbow, BOV spring
Wester's Garage RACE tune II
JPM custom shifter.
Barney Juice with Militec-1
GM Auto-dimming mirror with OnStar and maplights
Rhys Millen Racing, RMR Style Bar.
Peak RWHP 286.3, Peak Torque 313 ft/lbs.
SSR Type C wheels, Bridgestone Potenza RE-01's
DDM Works PINK Breastplate
NASSOA In Great Company! Founding Member