22-04-2012, 07:08 PM
strictly_derv Wrote:The insides of those boxes will be a perforated tube with wadding around it, so no 'smashing' like a cat box.
Well it was on a diesel so make a fair difference. On my brother car it made a huge difference and he only had a sprtex back box, made it really raspy after the box removal.
ok. Ive got a sportex backbox but it came off a diesel which has different internals? Its just massively droning on the 1.8!