Just took a piccy of the complete Ebay sourced kit I have gathered together.
3" Pipe kit = Ł99.24 + Ł27.19 import duty, Ł126.43 (from USA) ( autogrimmig )
Intercooler = Ł114.58 ( mx5-tuning )
Reducing couplers 3">2.5" = Ł23.50 ( tuningpartsbay )
Stainless steel for the brackets = free from work
To go on my AAN URS6 (4A)