karnatzel7 Posted December 14, 2014 Report Share Posted December 14, 2014 Hey Shelby supporters. I recently came back into the Shelby world with #07SS0648. A void surely filled after the sale of my '68 KR 5 years ago. I'd like to hear from anyone out there who did a full header cat back system on their 725 hp SS. Was it worth the expense? What were the hp and lb.ft. #s after dyno? Of course I would keep all the original parts should I ever part with her for another SS. I'm in Quebec, Canada, so the inspection is not as bad as the USA. Keep the faith, Sidney Link to comment Share on other sites More sharing options...
shel-b001 Posted December 14, 2014 Report Share Posted December 14, 2014 Sidney Welcome to T.S I`am sure someone out there has an answer for you . My buddy put long tube headers on his SS but it has been on a dyno Link to comment Share on other sites More sharing options...
karnatzel7 Posted December 14, 2014 Author Report Share Posted December 14, 2014 Thanks for the reply. Where in Canada are you located? Link to comment Share on other sites More sharing options...
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