Building the exhaust was fun to do, but now the need to be fixed on the bike.
Her some small pictures how I'm planning it.

I used some silences bock rubbers for the main support.
And as you can see modified the rear subframe

The flanges are form a stock 3ma1 pipe.
Not completely racy, but it will work for my purposes.

Here a shot off them mounted.
They look short, but should peek at 11.000rpm

Next thing to do is get me some tyga end cans and make the tailpipe's