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Best High Flow Cats???

This is a discussion on Best High Flow Cats??? within the External Engine forums, part of the LSx Technical Help Section category; What is a good high flow cat for my 2000 z28 that wont break the bank. It doesnt need to ...

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    Member camaroluvr447's Avatar
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    Best High Flow Cats???

    What is a good high flow cat for my 2000 z28 that wont break the bank. It doesnt need to be a direct fit but that would be preffered. Thanks!

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    Senior Member kool-aide's Avatar
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    good question. I was searching for the same thing. The best I found seem to average around the 300 for a pair. As far as I could tell that was for cats that would need to be weld in, possibly slip fit (didn't seem them in person). I haven't found anything that I would say doesn't break the bank, well at least not my bank.

    I'm with you, can't wait to see if any one has the hook up on this.

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    Join the PHK @ thephk.org Sommer86@6LE's Avatar
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    I'm just getting some high flows off of ebay.... We need cats in Cali and even though i'll have them, it's still illegal since they're not in the stock location.

    It's cheap-o's for me.

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    Member camaroluvr447's Avatar
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    yeah, that's more than i want to spend to. I found a pacesetter longtube and tsp y-pipe with cats combo on Texas speeds website for $560 which isn't bad. but the description does not mention that they are hi flow cats. While im sure there better than stock, they probably arnt as good as a nice hi-flow.

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    Senior Member kool-aide's Avatar
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    Quote Originally Posted by Sommer86@6LE View Post
    I'm just getting some high flows off of ebay.... We need cats in Cali and even though i'll have them, it's still illegal since they're not in the stock location.

    It's cheap-o's for me.
    what is a good ebay search criteria? I suck so bad at finding stuff on ebay.

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    Member camaroluvr447's Avatar
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    they have to be in the original location? wow that sucks!

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    Join the PHK @ thephk.org Sommer86@6LE's Avatar
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    ^^Yup, gotta be in the original location..that means my Lt's are illegal...(sssshhhhh!)

    On ebay, look up high flow catalytic converters. Then look for the 3"ers, If you've got a 3" ORY like most.

    These are ones i'm looking at.....but there are 2 others too.

    http://cgi.ebay.com/ebaymotors/3-Cat...Q5fAccessories

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    Senior Member kool-aide's Avatar
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    Quote Originally Posted by Sommer86@6LE View Post
    ^^Yup, gotta be in the original location..that means my Lt's are illegal...(sssshhhhh!)

    On ebay, look up high flow catalytic converters. Then look for the 3"ers, If you've got a 3" ORY like most.

    These are ones i'm looking at.....but there are 2 others too.

    http://cgi.ebay.com/ebaymotors/3-Cat...Q5fAccessories
    thanks. there is my problem. I typical stick camaro, firebird, or ls1 in my searches.

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    Member camaroluvr447's Avatar
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    that is a very tempting price! but I don't know if I would be comfortable paying $35 for performance cats. how do we know they work well?

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    Smiles for 9.5 Years cammed goat's Avatar
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    I ran a Magnaflow on my previous car.

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    Member camaroluvr447's Avatar
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    magnaflow cats?

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    Senior Member kool-aide's Avatar
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    also sold or referred to as car sound.

    they make a universal cat in i think 2.5" or 3"

    i thought they were kind of expensive.

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    Senior Member kool-aide's Avatar
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    this may seem silly, but did you try your local muffler shops to see what they had?

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    Member camaroluvr447's Avatar
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    magnaflow is a bit pricey, but i love the sound of their cat back!

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    I seen those car sound ones too. Check out the magnaflows too. So what are the best ones then?

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    Join the PHK @ thephk.org Sommer86@6LE's Avatar
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    Quote Originally Posted by camaroluvr447 View Post
    that is a very tempting price! but I don't know if I would be comfortable paying $35 for performance cats. how do we know they work well?

    I don't know, but it's a gamble I've got to take. High flow cats are illegal to buy and sell in Cali. High flow cats means headers, and we can't have those either.

    And I'm not about to drop $300 for cats I don't "need/can't have" in the first place.

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    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by Sommer86@6LE View Post
    I'm just getting some high flows off of ebay.... We need cats in Cali and even though i'll have them, it's still illegal since they're not in the stock location.

    It's cheap-o's for me.
    Thats why i just deleted the cats. not like many cops are going to get on there hands and knees to check anyway. They usually wont bother you. I need to move to texas. Op, cheap cats are the way to go.

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    There's ways around the system here in cali. Get cats that can get you to pass the sniffer test, like random tech or magnaflow, and find a shop that don't bother with the visual.

    Or don't get cats and just find a shop that'll pass you when you fork out a little bit of extra dough.

    Or just bolt the stock system back on when you got to do the smog test.

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    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by Cumbias View Post
    There's ways around the system here in cali. Get cats that can get you to pass the sniffer test, like random tech or magnaflow, and find a shop that don't bother with the visual.

    Or don't get cats and just find a shop that'll pass you when you fork out a little bit of extra dough.

    Or just bolt the stock system back on when you got to do the smog test.
    Im a little beyond being able to put the "stock system" back on. ill go with..... option number two.

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    Senior Member JoshuaGrooms83's Avatar
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    LLP offers a cated y-pipe for 375 starting bid. Im starting to think i should have gotten that one now. oh well (if you arnt in cali of course)

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