Construction on this unit is impressive-built to last the life of the car, and maybe then some. Nameless is currently developing full exhaust options, as well as other parts for the 86. They have numerous threads here on this site, including this one with a vid/sound clip of their axleback/downpipe combo.
http://www.ft86club.com/forums/showthread.php?t=7049
Header developement thread:
http://www.ft86club.com/forums/showthread.php?t=9179
They also post up dyno results, which show this axleback makes as much power as a straight muffler delete pipe. This unit was $550. plus shipping at time of posting.