Scorpion Back Box

[FlameR172]

Looking at getting Scorpion Stainless SteelBackbox Imola 4" for my 172 has anyone got this on theres and do you need to modify the rear for it to fit? any pics

Thanks
http://www.europerformance.co.uk/pages/products/product_info.mhtml?product=3745174

 

[FlameR172]

bump

 

[Aluco]

4" is rather large is it not ? i prefer 3" or 2.5 personally