OKshelby Posted January 22, 2010 Report Share Posted January 22, 2010 I recently purchased my first Shelby. It is an 08 SGT (08SGT0367) I am very happy with it but want to add more ponies. My 'ol lady ain't gonna let me spend 7K on a supercharger so what else can I do to add more HP without breaking the bank? My current mods are listed below. Thanks all........ Link to comment Share on other sites More sharing options...
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