:freaks: :confused: I bought a UPR power pipe at the Fun Ford event in Epping NH last weekend.Installed it today.On the Highway at 60 mph If i let the throttle close to decelerate i get this surging i did not have before.The pipe has a fitting for the bypass valve in about the same location as the stock vortech pipe.Is this because the mass air is so far ahead now that i have this concern.Any ideas would be greatly appreciated.
