Quote:
Originally Posted by HyperBlue#1
Getting Kooks headers 1-7/8" long tube, i have a choice of either cat connectors or not. Any recommendations i'd imagine they will sound better without but are there any downsides for the cat delete ?
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On my 98 Z28 (LS1), my headers sounded 1000x better WITH cats. Without cats it was so raspy. With high-flow cats it mellowed the rasp a ton.