Racing beat cat back and 3 inch mid pipe
what kind of power is my exhgast setup giving me? I have 3 inch straight from the header to racing beat cat back with no cats. The only other bod i have is intake and I went from a best of a 16.3 to a 15.2. Some guys at the track estimate 25 hp over the entire stock system due to it having 2 cats stock. any estimates?
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