Apart from having the Quad Exhaust, There's nothin we're similar in our interest..
The fact u uploaded this means 'Some1 PLZ steal my idea'. :P
I reckon the quad should not be too small..If it doesnt fit, that means u just need to cut till there's a space.. :D
Man...U're pretty good @ photoshop, You should do us some favor sometime when u're free.. Sharing the ideas..:P