Originally Posted by ECOS95
Mine made 270 BHP & 280lb ft with just a panel filter & Mongoose on PE's rolling road.I've taken those figure with a pinch of salt to be honest but they put it down to holding over a bar after the over boost.If it held 1.25 it would be nearer the 300BHP I would of thought.
But you'll prob need a new turbo soon after.
When I took mine to PE 4 years ago it made 257bhp and its standard! They couldnt believe it and took 4 readings, said it might have a hybrid turbo