i have a 2001 Acura cl type s automatic its got intake, exhaust, header, crank pulley, throttle body spacer and gasket after i put my high flo cat on the check light comes on and the car goes in to like limp mode so i am thinking of getting it tuned at a dyno but by reading on hear you need a piggy back system or aem ems witch i don't want to spend that much but will if its is worth it so i would like to know what some other thoughts and opinions are so any info would be greatly appreciated thanks.......
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