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Actually I dont know of any rally prep-shop that doesnt tie in to the front strut towers. Biggest reason for doing it is so the strut towers and attached lower frame dont move, not the motor/tranny/crush zones. With very stiff springs on rally suspention (ive seen up to 550# springs) the strut towers are the first to get destroyed. No normal street car will take that kind of abuse for very long with out some extra structural help. The swift actually twisted its frame (1.25 inches) over time with the pounding the suspention gets, and that was with extra support. I dont believe that these modifications will not allow the car to crumple when it needs to, these guys are just making sure it doesnt in other areas. That is the whole point for a roll cage.
just 2 or 3 cents
Dan Moore
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