Originally Posted by entropy
great admirer of the beautiful photos of the srt6, well the regular slr has 600 and something ponies, but the seldom heard of special edition slr has excatly 722 hp, that is why its called the slr 722, look it up....awesome car, same engine in the video
Yep, stock SLR has ~625hp. Tuners have gotten the SLR engine to 722 and beyond:
http://www.renntechmercedes.com/slr.html
No worries - MB/AMG enthusiasts would know why you quoted 722
