Mk4 Golf 1.8T 2004, has an issue with a consistent check engine light probably having to deal with this. These tubes coming from the fuel injection system I believe had been open.
1,249 HP VW Golf with RS6 V10 Destroys Bugatti Chiron in 0-300 KM/H Comparison - autoevolution
VW Golf with a Twin-turbo Audi V10 – Engine Swap Depot
VW Golf with a Twin-turbo Audi V10 – Engine Swap Depot
VW Golf with Audi RS Twin-Turbo V10 Engine Has a Heavy Nose, but Goes like Hell - autoevolution
STR Performance Reinforced Engine Mounts Kit for Volkswagen Golf 4 R32 including V6 2.8 4 Motion /
The new Audi RS6 reaffirms the greatness of the fast estate