have a tornado de-cat downpipe, after installing it, thought it was blowing but since having it on ramp have discovered it is in fact resonating ( raspy sound ) in downpipe, any ideas why or how to fix wud b appreciated!

 

wrap it

 

mine is the same mate, will watch this thread. I'm gonna heat wrap it tomorrow see if that will quiet it down abit.

Lee

Scott.T answered before me.

 

I had the same resonating ringing sound when I 1st fitted my DP 3 years ago.
Wrapping sorted it.

Got my wrap from ThinkAuto Homepage
EPW1 3mm thick- 50mm wide- per metre
£1.35 (Excluding: VAT at 17.5%)

10M should do it.

 

cheers peeps