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Z06-Dave said:
I was thinking of throwing the cats back on, I do have a set of high flow's I got with my Kooks. But I am afraid I'll lose too much power.
How will the cats effect my tune? I'm not going to pay for another tune after I install them,
Dave
I went from cats to gutted cats to RTs and finally no cats. I did dynos after each...difference is about 10rwhp with tune. About 5hp from no cats and about 5hp from tune....No cats allows for more timing to be added in tune.
 

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I have a 230/228 reverse split on a 114. It stinks, with cats. But so will any other decent-sized cam...

OT. I wish I had your extra 15rwtq, however. Same rwhp, but only 389rwtq.
 
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