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  1. #1
    Member mvvette97's Avatar
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    1997 corvette 00 WS6 TA

    Gut the cats or remove them?

    I was going to just take them off but it looks like it would be a pain to weld pipes in place of them. On ny vette I just took them off but it was easy to weld pipes in the location. What would you guys do?

  2. #2
    Senior Member Redphoenix1998's Avatar
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    1998 Pontiac Trans Am

    If you know a welder, just have a pipe welded in or if not, just gut them out yourself. IMO, I would just gut em just in case you have to go through inspections or something

  3. #3
    Member SSpdDmon's Avatar
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    SOM
    '01 Camaro SS

    Don't bother wasting the time/money. Just save up for headers...

  4. #4
    Member jmhvenom's Avatar
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    yea, wait for headers

  5. #5
    Member Transam388's Avatar
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    On this note about taking off CATS, I once got pulled over by a DPS officer who was actually very nice and was just doing his job. But he asked why my car was so loud and said usually that means you have no CATS. So he looked and since they were there said have a nice day. Anyway, things to consider if you take them off. You might also look into doing something like the FLP headers where they had a big circle clamp type fitting where you could drop the cats out on race day and put straights in. Slight potential for leaks though.
    98 T/A: HPE 5.3 Heads, 238/242 113 cam, Kooks 1 7/8 stepped LT headers, Custom Y pipe, Cut out, Borla, NW 90MM TB, FAST 90MM Intake, TB Bypass, Under Drive Power steering and Crank, 150 Dry NOS, Yella Terra rockers, 3400 TC, HPE tuning,

  6. #6
    Member mvvette97's Avatar
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    1997 corvette 00 WS6 TA

    Quote Originally Posted by Transam388 View Post
    On this note about taking off CATS, I once got pulled over by a DPS officer who was actually very nice and was just doing his job. But he asked why my car was so loud and said usually that means you have no CATS. So he looked and since they were there said have a nice day. Anyway, things to consider if you take them off. You might also look into doing something like the FLP headers where they had a big circle clamp type fitting where you could drop the cats out on race day and put straights in. Slight potential for leaks though.
    so it made it loud when you gutted them?

  7. #7
    Member Transam388's Avatar
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    It did make it in my opinion slightly louder but I also run my Borla completly open.

  8. #8
    Member jmhvenom's Avatar
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    I love electric cutouts.

  9. #9
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    Mystic Teal
    01 Z28

    If you ever need to go back to stock - perhaps to sell - cats are pretty damn expensive.

  10. #10
    Member NHRAMAN's Avatar
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    Navy Blue Metallic
    '99 T/A WS6 M6

    Exclamation

    Quote Originally Posted by Transam388 View Post
    On this note about taking off CATS, I once got pulled over by a DPS officer who was actually very nice and was just doing his job. But he asked why my car was so loud and said usually that means you have no CATS. So he looked and since they were there said have a nice day. Anyway, things to consider if you take them off. You might also look into doing something like the FLP headers where they had a big circle clamp type fitting where you could drop the cats out on race day and put straights in. Slight potential for leaks though.
    called BAND CLAMPS----everyone has them i thought.
    99 WS6 M6 NBM !Cags,!Cats,Vinci/Crane,Hurst,Detroit TruTrac,3:73,31 Splne,Edel.Race LT's,ORY,QTEC,Flow,ARP,Percy,MSD,SLP,AC/DELCO,Bosch,GMPP,Cntrfrce DF,Htchkiss,Susp.Tech,Lakewood,285's,Bilstein,Pro-kit,SLP,RK Sprt,A/Meter,Red Optima,Magnaflow S/S Tips,Hd Pins,Tint,Fire.Ex,[*4 Hot Rod Power Tours*]

  11. #11
    Rice Killa JwMonE99's Avatar
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    Black With T-Tops
    96 Z28 M6

    I dont have the cats on my car either and i dont feet like paying 180 dollars to get on there, so whats the best thing i can do and save money??

  12. #12
    I went to Playboy Mansion FantaZGuy28's Avatar
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    Quote Originally Posted by mvvette97 View Post
    so it made it loud when you gutted them?


    Hell yea it did, I have stock headers, gutted cats, custom Y pipe, and Loudmouth. Everybody says it sounds like a F16 when I have it at WOT. People cant use their cell phones because you cant hear anyting in the car with the windows up or down


    IMO just get them gutted so if cops pull you over you can say its your muffler because the cat shells will still be there.

  13. #13
    Member mvvette97's Avatar
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    Quote Originally Posted by FantaZGuy28 View Post
    Hell yea it did, I have stock headers, gutted cats, custom Y pipe, and Loudmouth. Everybody says it sounds like a F16 when I have it at WOT. People cant use their cell phones because you cant hear anyting in the car with the windows up or down


    IMO just get them gutted so if cops pull you over you can say its your muffler because the cat shells will still be there.
    Well I got it done. I was going to just take them off but all of the flange bolts were siezed so I just gutted them. It's not very loud yet because I have the flowmaster on but that will change. Did you guys notice it seems to smoke some at WOT? Is it because of the gutted cats or what?

  14. #14
    I went to Playboy Mansion FantaZGuy28's Avatar
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    Quote Originally Posted by mvvette97 View Post
    Well I got it done. I was going to just take them off but all of the flange bolts were siezed so I just gutted them. It's not very loud yet because I have the flowmaster on but that will change. Did you guys notice it seems to smoke some at WOT? Is it because of the gutted cats or what?
    Haha, the smoke at WOT is well...wow! I look in the rear view mirror and there is a huge cloud of smoke. Then again my car is running really rich.

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