possible knocking DP

[James TQ]

i just had a downpipe and decat fitted to my standard cat back from a garage, iv only drove it a few miles back to work and when i put my food down there was a viberation from the dash. it was a 3'' downpipe and decat gitted to a a3 quattro, what could it be rubbing on? is there any danger in it? im at work now and cant get under it to look at it until the weekend?

thanks

 

[dre_S3]

Does it sound like a heat shield as I had to mod my one the stop it vibrating when I fitted it on my S3, cant see it being a danger hopefully just need to adjust things around the dp

 

[<tuffty/>]

Might be rubbing on the prop shaft.... check for witness marks on the prop where it close to the DP

<tuffty/>

 

[James TQ]

how did you mod it to stop it? i will when i get a mo, theres no chance of it wearing out the dp or prop?

 

[James TQ]

and also would a stiffer dog bone stop it flexing when setting off

 

[James TQ]

Had a quick look in the freezing cold/snow looks like its very very close to touching and the bend near the subby, it only knocks when i pull away sharply or am in second for example and tap the gas and alot knock when the engine flexes. If I was to buy a new dogbone bush would it stop the engine moving as much, been looking at the red or yellow powerflex bushes what ones best for the job? Thanks