Roush Strut Tower Brace...

I was browsing through PAS' for sale section and came across a 2002 Roush Stage 3. In the photo showing the engine compartment I noticed it had a strut tower brace that cleared the supercharger. Anyone know if this is standard equipment on the Roush Stage 3's? Does it really help (i.e. a worthwhile mod)?

For anyone interested, here is the link...PAS 2002 Stage 3 Roush



Thanks...