back box advice

[white2lSR]

i have a mk 1 sr and i am looking for a new back box. i like the outward rolled tipped ones but cant seem to find any listed.looking for about a 3" end. can anyone help? pics would be great if anyone has one fitted!
thanks.

[Adam]

Sportex do one
As do ashley.

[Jim Mcrae]

My cherry bomb is a 3" outward rolled. Look on the rally section of demon tweaks