Well hello there!

Only thing is the zard comes with some form of cat? So I dunno if it would work I need to pull the exhaust off today doesn't seem to be flowing through both sides of the exhaust freely just 80% one side and 20% left its weird.....
The zards do seem to have a habit of disintegrating from the inside out . I have platts and really like them , but if you want the pinnacle of performance in free flowing exhausts then whistle for our in house guru and all round top man and exhaust builder extraordinaire @Paul Bryant !
 
Ps . Is it true , like our favourite Scotsman @scot in exile says , that all scotsmen keep goats in their garages ?
 
Hi Samo and welcome to the forum. I too have an '07 which, funnily enough came with the Zard penta system. This exhaust is not designed to give a free flowing route for the gasses...and it does seem to have something inside the collector. Mine rattled and popped so badly it was removed at the first opportunity. I keep forgetting to get the angle grinder out to find out what has come loose inside. It could certainly be some sort of Cat. I've changed over to a @Paul Bryant twin muffler system with a cat delete pipe. The tune recommended by @Fenners is the one I too used to get rid of the decal popping ( bloody great big explosions in reality) - ran much better! Good luck and let us know the results

Edit: So is it true about the Goats?? I always thought it was a cage full of Stoats and a roll of duck tape!
 
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Welcome from Yorkshire.