Looking for detailed exhaust pics

[Roca46]

Hi guys i'm looking to found pictures of the typical colour in the exhaust how this http://www.techserfu.co.jp/all_titan...main_image.jpg ( multicolour )

I need the pictures to made decals to use in the exhausts of my scale motorcycles.

Can you take some pictures of your exhausts with this effect?? I would like to see the complete tonality of the color

Thank you very much!!