MY YARIS IS SLOW NOW????? - Toyota Yaris Forums

ChinoCharles · 03-07-2007, 01:35 PM

Sure, you can throw a high flow cat in your custom midpipe. The only thing is you're still going to have to do your homework and figure out how to deal with the sensors. From what I understand, nobody has had much luck with this yet, hence why no aftermarket company is offering a midpipe. Therefore, in order to run a high-flow cat you'll probably end up having to trick the sensors, but if you're tricking the sensors you don't need a cat, so why have it? Even a high-flow cat will make you lose a little flow vs. not having one at all. I say trick the sensors, buy a muffler and bend some 2.25"... make/weld yourself a little flange and booya.

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03-07-2007, 01:35 PM	#14
ChinoCharles Banned Drives: LB Join Date: Jul 2006 Location: OH Posts: 7,787	Sure, you can throw a high flow cat in your custom midpipe. The only thing is you're still going to have to do your homework and figure out how to deal with the sensors. From what I understand, nobody has had much luck with this yet, hence why no aftermarket company is offering a midpipe. Therefore, in order to run a high-flow cat you'll probably end up having to trick the sensors, but if you're tricking the sensors you don't need a cat, so why have it? Even a high-flow cat will make you lose a little flow vs. not having one at all. I say trick the sensors, buy a muffler and bend some 2.25"... make/weld yourself a little flange and booya.