do a turbo set up they are cheaper easier to take care of and last longer ... they give about the same or more hp too depends on which .
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1999 FRC 5.7l , b&m short throw shifter, borla header and exhaust, k&n air filter, ls6 intake , magneson supercharger, polished aluminum zo6 rims, michelin pilot sports, zo6 seat covers, zo6 gauges
1968 Camaro Z/28 RS 396..sold 
1999 GMC Yukon 6.0l , Gibson performance exhaust , k&n air filter
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