Just got my 2003 GT after years of dreaming and wishin fora stang<IMG src=smileys/smiley4.gif border="0"></P>


Now, how can I raise the HP 30 to 40 without voiding my 5 year bumper to bumper warranty and spending under1200 or so? </P>


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Heads with stock valve covers and manifolds.

Don't say didly and do it yourself.

 

thx, Cost and brand ?