To get any power increase car needs to be Chip Tuned. All car models listed can have several turbo options.
Turbocharger Cartridge Upgrade Ford Peugeot 1.6 HDI New Turbo Core
Turbocharger Cartridge Upgrade Ford Transit MK7 2.2 TDCi + Turbo Gaskets
Turbocharger Cartridge Upgrade for Nissan Qashqai Renault Clio Megane 1.5 dCi
Turbocharger Cartridge Upgrade VW Golf V Touran Caddy Polo 1.9 TDI Turbo BLS
Turbocharger Cartridge Upgrade Vauxhall Astra Meriva Corsa Insignia 1,4 Turbo
Astra Zafira 2.0 Turbo Z20LEH Turbocharger Billet Upgrade Cartridge Turbo Core