Originally Posted by TVPhoto
ER is the way to go, I personally don't have it. I had the Stett with the rubber cuplers, and they always pop out of place. Avoid rubber cuplers, and get an OEM style fitting
Its best to stay away from charge pipes that use silicone couplers at the the throttle body! We've had several customers this year switch out their silicone coupler charge pipes to the ER due to them popping off.