You can found an undertray for BJ4, it's made by J-concept too and it's make of lexan, just like the D4. I remeber I saw it in HEC in MK, you can go and take a look.
You can found an undertray for BJ4, it's made by J-concept too and it's make of lexan, just like the D4. I remeber I saw it in HEC in MK, you can go and take a look.