If you're reached the limit of stock Saab turbo parts, the Upper Charge Pipe is certainly one of the first things needing updated.
The charge pipes we make are designed specifically with you best performance in mind by offering material and tube diameters.
The plastic charge pipes are in their 20's now and becoming more prone. the 2" diameter also has a maximum power deliver ability 350hp based on air volume. Having the options of 2.25' and 2.50" means you have power support option up to 500hp and 650hp respectively.