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I was never able to get a straight answer on smog legal long tubes, but I think that if smog is a big issue go with the jba shorties. I also live in southern california and that is the route that I am going. Along with the headers I will be going with the catless midpipes since I can bolt that cats back up before smog time. As for the cam I hear that the thunder racing
tr224 is a smogable cam( if you need to know the measurements are
224-224-114)
 
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