I'm using Rev-N-Nator... completelly satisfied.

Used the first FBO version on original casing look ( the A688 ) which was more crispy than the Rev-N-Nator and really similar to the MP Chromed one, but Rev-N-Nator is way smoother. Replace it with the Rev-N-Nator due FBO and MP Chromed boxes failure

Both with the MP dist

Can talk about the newer HHR688 aluminium case late version thought... whic in any case I donb't like the look, neither the need to bypass the ballast.