Celtic Tuning on Twitter: "An MY2009 Golf GTi (2.0 TFSi) in for tuning with the Bosch MED9.1 management system and 6-Speed manual transmission. Stock Dyno Power = 221bhp & 249lbft Stage 1
VW Golf Mk5 GTi in for Stage 1 setup. Great gains transform these hot hatches into a real pocket rocket with an additional 47hp and 73Nm added to this... | By JR
REVO TUNING VW MK6 GOLF GTI Audi A4 A5 Q5 B8 - STAGE 1 - On The Run Motorsports
VW Golf GTI Mk5 Buyer's Guide + Tuning Tips | Fast Car