Back box recommendations plz?

[rct]

Ok I have a 2002 k11 1.0ltr coil pack bog standard apart from a k&n panel filter.
I what to make her sound a lot faster than she goes so can I please have some back box recommendations that will not only make her sound better but also pass an mot?
Many thanks rct

 

[skymera]

I what to make her sound a lot faster

This made me giggle

I had the Sportex backbox with 2.5" tip on my K11 and really liked it.

 

[rct]

This made me giggle

I had the Sportex backbox with 2.5" tip on my K11 and really liked it.

That was the idea....lol
I have been looking at them, not bad for the price.
Thanks for the reply.
Rct