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Thread: exhaust cat delete?

  1. #16
    Registered User cchris5260's Avatar
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    ok my truck runs great with the cat on. O2 sensor is new but i took the cat off and put a piece of pipe there and it ran awful stalled,loped bad shifted funny you know ran bad.everything is new so i put a new converter on then it ran great again then i had flows put on after the new cat got put on.

  2. #17
    Registered User cchris5260's Avatar
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    so should i just get a mangaflow cat then branch off to duals or can it be changed to true dual cuz thats what i want to do if it dont take away from the truck

  3. #18
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    somthing aint right with that.......... anyways

    you can run whatever piping you want to run. U wont notice any difference so just do what sounds best.

    (which will be big tubing and 2 pipes) use 2.5 inch tubing.


    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  4. #19
    Registered User cchris5260's Avatar
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    so dual exhaust wont help just sound a little better or should i just try to take the cat off again and just leave it straight pipe to the flowmaster

  5. #20
    your all sick with sin
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    Quote Originally Posted by skanN86 View Post
    I took my cat off, so I could ram it in my ass. Its because Im a flaming :gay:
    lol that is great

  6. #21
    your all sick with sin
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    they got those y pipe exhuast dumps you can put before your cat and a switch to open a valve on them so you can go from cat exhuast to just a dump in a flick of a switch they sell it all on summit that would be a good setup
    Last edited by skanN86; 10-31-2007 at 01:59 AM.

  7. #22
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    yeah your exhaust will sound alot better without that cat, and adding two pipes after the muffler will give it a little more of a v8 tone imo and a little louder.


    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  8. #23
    Registered User cchris5260's Avatar
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    Ok So Take Cat off and just leave single exhaust to the muffler and put 2 turn downs instead of the 1 i have turned down? its already sounds tuff as it is but if it will sound better ...ill do it lol
    Last edited by cchris5260; 10-31-2007 at 03:22 PM.

  9. #24
    Registered User cchris5260's Avatar
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    i want to do whatever will make it run better thats it like more hp and sound is great to so whats the best set up for my truck duals or single exhaust i have single now and a cat and a flowmaster so what do i need to changeor do i need to change it

  10. #25
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    adding another dump wont do shit sound wise, adding another tailpipe out the back will give it that dual sound, thats what i was talking about.

    LIke i said its a less than 200 hp v6, do whatever you want its not gonna make a noticable performance difference. less restrictive exhaust is gonna breath better of course. before i yanked my engine i ran it open manifolds for the afternoon and it reved alot higher than it could before.


    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  11. #26
    underachiever i hate imports's Avatar
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    and maybe a hi flow cat would've been better, since you prob have emissions testing
    Originally posted by Slamd_sdime
    um i cant post any threads i dont know what to do.
    92 Lumina Z34 16.25 @ 84.33 mph 15.70 without overdrive
    69 Chevelle 14.97 @ 90.78 mph
    94 Probe 18.27 @ 74 mph
    88 Suburban 18.35 @ 72.07 mph (sure, why not?)
    90 Taurus sw 16.439 @ 82.78 mph on the brakes (just keeps wanting to go faster)
    1988 Acura Integra 1.6L 17.936 @ 75.27mph (217,000 and runnin strong!)

  12. #27
    v6 yes, 4.3 no neo71665's Avatar
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    Quote Originally Posted by i hate imports View Post
    and maybe a hi flow cat would've been better, since you prob have emissions testing
    No sniffer tests here in arkansas so try again.
    stock-87 blazer tahoe 2 door, 3.4, auto, 4x4

    inside- All LEDs, overhead console, white faced gauges, smoothed panels, Camo cloth, radio and speakers, keyless entry

    outside- 1/2 lift, 3 inch bl, clears, H4 conv headlights, Euro red tails, all LEDs

    motor- 2.8 fiero valve covers, headers, flowmaster 40, 10 in chrome edelbrock cleaner with K&N, silicone vacuum hoses

  13. #28
    underachiever i hate imports's Avatar
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    damn, movin to ak then
    Originally posted by Slamd_sdime
    um i cant post any threads i dont know what to do.
    92 Lumina Z34 16.25 @ 84.33 mph 15.70 without overdrive
    69 Chevelle 14.97 @ 90.78 mph
    94 Probe 18.27 @ 74 mph
    88 Suburban 18.35 @ 72.07 mph (sure, why not?)
    90 Taurus sw 16.439 @ 82.78 mph on the brakes (just keeps wanting to go faster)
    1988 Acura Integra 1.6L 17.936 @ 75.27mph (217,000 and runnin strong!)

  14. #29
    v6 yes, 4.3 no neo71665's Avatar
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    Quote Originally Posted by i hate imports View Post
    damn, movin to ak then
    Why Alaska?
    stock-87 blazer tahoe 2 door, 3.4, auto, 4x4

    inside- All LEDs, overhead console, white faced gauges, smoothed panels, Camo cloth, radio and speakers, keyless entry

    outside- 1/2 lift, 3 inch bl, clears, H4 conv headlights, Euro red tails, all LEDs

    motor- 2.8 fiero valve covers, headers, flowmaster 40, 10 in chrome edelbrock cleaner with K&N, silicone vacuum hoses

  15. #30
    Senior Member bwboley's Avatar
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    I Lived in hartman Arkansas for 2 months in mid summer i about died because of the heat and all the damn bugs that bite! Then moved to kansas it was good then froz my ass of in the winter. The only checks in kansas is a vin check for outa state cars. In oregon they have that damn DEQ shit.. I have a s10 with a cat delete and glass pack and it runs fine [2.8L] wont pass deq here so i kept it a kansas tags lol
    Member Of Ridiculous Rides's Portland Or.
    Quote Originally Posted by tippmann243 View Post
    its ok i rode the short bus too

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