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Muffler with gutted cat

Discussion in '4 Cylinder' started by 96 toy taco, Feb 8, 2012.

  1. Feb 8, 2012 at 3:45 AM
    #1
    96 toy taco

    96 toy taco [OP] Well-Known Member

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    96 2.7. Got a flowmaster 40 series on it now. Want to quite it down a lil more. What muffler would help?
     
  2. Feb 8, 2012 at 5:35 AM
    #2
    fsusteve

    fsusteve Well-Known Member

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    50 or 70 series or the stock one which soundslike a quad once the cat is gone.
     
  3. Feb 8, 2012 at 1:23 PM
    #3
    96 toy taco

    96 toy taco [OP] Well-Known Member

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    turbo style muffler maybe????
     
  4. Feb 8, 2012 at 4:39 PM
    #4
    tc98tacoma

    tc98tacoma Well-Known Member

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    3inch toytec coils 5100's, aal(soon to be replaced), 33/12.5 km2s, + a money hole...
    I'm running the 40 series with a straight 2.5 inch piping no cat, I'm thinking about adding a resonator which would quiet it down abit
     
  5. Feb 8, 2012 at 4:41 PM
    #5
    Brandon9402

    Brandon9402 uncoordinated dirtbox

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    Anybody know the general fine/punishment for no cat? I'm just curious
    Sorry not tryin to thread jack here
     
  6. Feb 8, 2012 at 4:46 PM
    #6
    tc98tacoma

    tc98tacoma Well-Known Member

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    Nope idk and don't wanna find out ha but it sucks hopefully I don't get checked next month hen I get my inspection done:/ my headers are carb legal either...Ridin dirtay haha
     
  7. Feb 10, 2012 at 7:42 PM
    #7
    96 toy taco

    96 toy taco [OP] Well-Known Member

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    might be going to the summit racing store tomorrow. might ask them
     
  8. Feb 10, 2012 at 8:09 PM
    #8
    01TacoBuz

    01TacoBuz Well-Known Member

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    K&N drop in filter, URD rear simulator, Deck plate mod/home made CAI, No rear cat, MagnaFlow muffler
    Dynamax Super Turbo is not as agressive
     
  9. Feb 10, 2012 at 8:12 PM
    #9
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Should have left the cat alone. You lost low end power by gutting it.
     
  10. Feb 11, 2012 at 4:54 AM
    #10
    96 toy taco

    96 toy taco [OP] Well-Known Member

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    but it was stopped up. feels like i gained power really.
     
  11. Feb 11, 2012 at 8:53 AM
    #11
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Because it was clogged and you freed it up. Same goes for high flow cats.
     
  12. Feb 11, 2012 at 12:59 PM
    #12
    01TacoBuz

    01TacoBuz Well-Known Member

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    If it was stopped up, Im sure you did gain

    Besides, it`s yours, do what you wish to it
     
  13. Feb 11, 2012 at 2:53 PM
    #13
    96 toy taco

    96 toy taco [OP] Well-Known Member

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    well got a turbo style muffler. walker brand from summit. just what i was looking for. got it clamped on right now, got to get it welded
     
  14. Feb 17, 2012 at 1:20 PM
    #14
    fsusteve

    fsusteve Well-Known Member

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    Cut my cat out and gained power, it was not totally stopped up but I'm not really buying into the whole power loss in the low end dealio.
     
  15. Feb 17, 2012 at 1:27 PM
    #15
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Sound does not equal power. You think you got power because your truck is louder. When you remove your cat you lose backpressure. This backpressure causes exhaust scavenging at low to mid RPM. Exhaust scavenging is an exhaust pulse sucking out the exhaust gases out of the next cylinder that is on the exhaust stroke. Believe what you want but facts are facts.
     
  16. Feb 18, 2012 at 10:46 AM
    #16
    Brandon9402

    Brandon9402 uncoordinated dirtbox

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  17. Feb 19, 2012 at 3:58 AM
    #17
    fsusteve

    fsusteve Well-Known Member

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    I'm not basing my opinion on sound but an increase in torque, I understand the fundamentals of backpressure and exhaust scavenging, however I believe that the exhaust and muffler provide plenty of both. If anything it would be more affected by the OBD II due to the downstream O2 sensor, I did not experience any power loss issue although I expected to. Sometimes real world facts are different than theoretical opinions.
     
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