fluttering sound after new exhaust

1. Psycho18 Established Member Joined: Apr 2008 west Mids Posts: 1775 Mk1 White VTS

   #1 29th March 2011, 18:58

   Had a 4-2-1, supersprint centre with silencer and kam racing backbox just fitted.
   
   It seems to be making a fluttering noise between 3 and 4k rpm. Is this because of the silencer or could there be a leak?
2. tarzan Frequent Poster Joined: Apr 2010 Lurgan Posts: 767 2001 black saxo furio 2001 black saxo vts

   #2 29th March 2011, 20:28

   sounds like a leak lad block up the tail pipe and listen for the leak further up the system. dont block for that long either

   1 user thanked this post: Psycho18