SHELBY GT 350 Member
Joined: Jan 2011
Location: Central Massachusetts
I have seen a few posts about similar deals from other dealers.
The Roush supercharger (and supporting components such as heat exchanger, etc.) have a real good reputation as one of the best overall; not the highest performance but generally efficient, manages heat fairly well, generally "safe" if it has a safe tune; though 700 HP on the stock internals does seem like pushing the envelope to me. Also my understanding is that if it is installed by a qualified dealer, the factory warranty is maintained; or maybe Roush provides a supplemental warranty.
I believe the S550 GT already comes with good brakes (15" 4-pot Brembos?) so it should be good in that department; might need upgraded control arms to prevent wheel hop but I'm not sure how that works with the "new" IRS.
| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day