If it were installed after the turbo then there could be no bypass of the exhaust around the turbine and it would overboost every time.
It must be between the up/down pipe and just not using the internal wastegate.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
