F fr0st Member : 2003.5 yellow msp Jan 31, 2008 #41 Matrix said: Quite normal, actually. Anytime you free up the flow of intake air and/or exhaust flow, the turbo will spin more freely and boost more readily. Hardpipes, intercooler upgrade, exhaust mods...all these can contribute to raised boost levels. Click to expand... +1 i went from a 5.5 - 6 psi to 7.75-8 with my mods.. and gaining another pound with the ATP WGA im installing this weekend..
Matrix said: Quite normal, actually. Anytime you free up the flow of intake air and/or exhaust flow, the turbo will spin more freely and boost more readily. Hardpipes, intercooler upgrade, exhaust mods...all these can contribute to raised boost levels. Click to expand... +1 i went from a 5.5 - 6 psi to 7.75-8 with my mods.. and gaining another pound with the ATP WGA im installing this weekend..
