You have to remember as a manufacturer there are EU rules on noise emission, you can't just chuck on some aftermaket stuff, it all has to be homologated and have E number cert
And they tuned the engines of the day to suite there exhausts!
Dave
That's handy than
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Yep I wasn't exspecting that to makes life a bit more difficult but this is what I was thinking .
It's roughly to sale , need a reducer , a bend and some pipe .
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^^^Thats how the GS boxes are done albeit with drilled pipe on the quiet side.
You could save yourselves alot of aggro and do it with flexi pipe and a 2 into 1 collector
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On to stage two , remove all the internals
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