Originally Posted by GialloEvo94
If it's for track use then be aware of any noise limit restrictions that some tracks impose because you may end up falling foul of those restrictions with a side exit system.
Which is why we all went back to full length systems a very long time ago.
That was for normal race noise limits.
Trackday noise limits are even lower, to the extent that some std 911 systems fail a static test due to background engine noise!
Unless you only go to unsilenced Donington trackdays...