Hi-Flow cat question
#2
Why pay money for a high flow and then gut it? Get a midpipe and run a restrictor plate if you're worried about creep. I have a midpipe with a restrictor plate and the Blitz SBC-iD and I can control my boost just fine. I have no fuel computer and the car runs like a champ.
#5
block-spike
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maybe he meant is there a difference between a gutted stock cat and a non-gutted high flow cat. If that is your question then the answer would be yes. The stock exh piping is smaller diameter and is quite restrictive compared to a 3" pipe even with a high flow cat.
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Rebreaking things
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Or maybe he's worried about getting stopped for not having a cat. In any event I believe the diameter of the stock cat inlet and outlet pipe is 2.5in, whereas most of the aftermarket cats are 3in. My friend used the stock cat flange as a restrictor in his midpipe to stop boost creep. So there may be some advantage of using a highflow rather than a stock cat as a starting point. Alternately, you could get a resonator which looks a lot like a cat.
#7
Need more money!!
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thanks guys, the reason i asked is im doing a few things to my car this coming weekend. one was removing the air pump, and i read you NEED to have a midpipe in order to do that. I was talking to someone and they told me to just gut my hi-flow cat. Plus i dont know if the midpipe would get here fast enough.
Sorry i didnt ask my question well enough, i was at work and had little time to type. Thanks again.
Sorry i didnt ask my question well enough, i was at work and had little time to type. Thanks again.
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#11
Cheap Bastard
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Originally posted by CCarlisi
........In any event I believe the diameter of the stock cat inlet and outlet pipe is 2.5in, whereas most of the aftermarket cats are 3in.
........In any event I believe the diameter of the stock cat inlet and outlet pipe is 2.5in, whereas most of the aftermarket cats are 3in.
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