Power difference between ORY and catted Y
02-04-2005, 10:23 AM
#4
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Originally Posted by 9camaross8
The difference between the two is going to be around 5-7 rwhp, not a whole lot, but I would stick with the ory to get the most out of the headers.
02-04-2005, 12:16 PM
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yeah its all percentage. for example, if u put a pulley on a near stock car, u will see more power gain than from a car that is already full bolt-on with h/c. im thinking about goin back to cats maybe soon, not sure tho. if nothin else, just for sound improvement. i could give two ***** about emissions 
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LOL right. 
02-04-2005, 01:04 PM
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I suppose so...it's all good though...everyone asks dumb questions...you know what pisses me off is when you just completly go blank and you have to ask someone how to spell something like "where"....it's like what the crap...anyhow...does that happen to anyone else?
02-04-2005, 02:11 PM
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Back when I was cam only on stock 241 heads I made 399rwhp @ 386rwtq with a Hooker ORY and open cutout. After adding a new QTP Catted Y pipe I went down to 389rwhp @ 374rwtq. These were new 3" Magnaflow Cats so the loss was the least it will ever be as cats are supposed to get more restrictive the more you run them. I imagine they are holding me back 10-15rwhp over my current numbers.
Well said. 