hey all

Just curious, if you were to put a 4" dump pipe on a ba xr6t.. two questions: would you notice a difference and how much overboost would it cause?

well, unless you did the rest of the system, it would be a waste of time. The difference with a 4" system in a complete exhaust system is better top end performance due to the greater flow.

But as I said, if that's the only thing you plan on doing, don't bother! I'm running standard dump and making 340

sweet cheers mate wasnt sure that's all

no worries, what you need to do is figure out what power you want to end up with - then follow the mod path to it.

If you can do everything in one hit, this is obviously better. But if you want to do things step by step, try and get the best first, then there is no need to change later when the power goes up

yeh well ive decided to stay away from a tune for now. So im trying to do everything I can to get power without a tune, but im running out of ideas :(

yeh well ive decided to stay away from a tune for now. So im trying to do everything I can to get power without a tune, but im running out of ideas :(

pretty much anythink you do really going to need a tune for good results

well not exactly but I know what u mean