Exhaust setup too loud!

1. Saxovch22 Established Member Joined: Feb 2011 Scotland Posts: 1191 02 Saxo Vts

   #1 9th January 2014, 08:35

   Currently running a raceland mani with a supersprint unsilenced centre section
   And 2" backbox on my vts and finding it way too loud!
   
   May just be me getting old but it's giving me a headache!
   I'm looking to get into track days and I imagine the exhaust could be a problem.
   
   Thinking of putting a standard backbox back on but will it quieten it down and not sound crap ?
2. user_55718 Regular Poster Joined: Oct 2011 Tadcaster Posts: 331 08 turbo panda 02 vtr

   #2 9th January 2014, 08:54

   I ran that exhaust and got 102db at Cadwel, limit on most uk tracks is 105db.
   
   Get a magnex back box, they are pretty quiet. Brought mine down to 73db.
3. KamRacing Saxperience Addict Joined: Nov 2006 A farm shed in Aylesbury Posts: 14916 Corolla AE86 Peugeot 205 B18C (in bits)

   #3 9th January 2014, 14:22

   Supersprint silenced centre pipe will knock off 12db
4. user_57064 Established Member Joined: Jan 2012 south essex!! Posts: 2442 posi blue vtrs race car

   #4 9th January 2014, 14:38

   i dont understand how the tracks are so inconsistant...
   
   went to brands with 100bhp vtr manicat still in and 2" pugsport 82dB
   
   snetterton vts 120bhp 4-2-1 manifold 2" pugsport 79dB
   
   both stationary at 3/4 of rev range (and the knob at snett made me hit the limiter to see what it was truely at)
   
   i checked both outside the workshop using my iphone (i know its not accurate but its constatantly inaccurate) and obviously the vts was 2-3dB louder...
5. KierenCrawford Banned Joined: Nov 2013 Posts: 411

   #5 9th January 2014, 16:42

   Does anyone know what DB the piper 2" outward rolled system runs at ? Mine seems really loud !!!!!!!!!
6. Saxovch22 Established Member Joined: Feb 2011 Scotland Posts: 1191 02 Saxo Vts

   #6 9th January 2014, 16:50

   Quote:

   Originally Posted by thecorporatemachine I ran that exhaust and got 102db at Cadwel, limit on most uk tracks is 105db. Get a magnex back box, they are pretty quiet. Brought mine down to 73db.

   Yeah my local track is knockhill and pretty sure that's 105db.
   
   I would have to modify the centre pipe and use a sleeve to fit a magnex backbox, plus they never sit right.