I've had a BBK and a Ford Motorsport setup on my car and I've never broken the cable, however the bushing at the firewall split on BOTH inside of a week.  I say go Steeda, it seems some of the setups would be better off without a heavy duty clutch if you know what I mean...  
 
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87 GT
Full exhaust, K&N, KB Subs, BBK STB, homeade dumps... 
87 Taurus
New York 
Winters Bite!