thump noise ???

[dave1x2000]

Hi Hope someone can help me i have an audi 2.0 T fsi quattro special edition s-line 06 plate with a little problem, When i pull off fairly hard i can feel and hear a couple of thump noises coming from the rear of the car this happens in 1st and second only, it thumps about 2 times ?. If i'm in say 3rd and i floor it no thump noises, any ideas

 

[Dazmo]

Perhaps you should take that bloke out of your boot!