cats gone

Discussion in 'General Chevy & GM Tech Questions' started by catmechanic07, Jun 18, 2012.

  1. catmechanic07

    catmechanic07 Former Member

    I have looked on the internet and found different videos of the sound. Just wondering if anyone has cut their cats off and thought it was too loud. We have a few prick cops around here so they love noise ordinance tickets. I have Flowmaster 44's, 3" pipes, exiting 5" tips.

    Would no cats be too loud or not??
  2. rileyjr16

    rileyjr16 New Member

    I wouldn't do it. But my buddy is running no cat to a Flowmaster (IDK what series but its a short muffler) and its not very loud below 2500. I'd just rather have the cats on my truck.
  3. Coach24

    Coach24 New Member

    The fine is pretty hefty if caught with out cats
  4. SurrealOne

    SurrealOne Former Member

    Depends on where you are. Some states have no requirements. They're usually quite rural...
  5. Coach24

    Coach24 New Member

    I thought it vwas a federal law. At least when a shop takes them off
  6. Jimmeh

    Jimmeh New Member

    It is. A shop can't legally remove them in all 50 states according to my exhaust shop.
  7. catmechanic07

    catmechanic07 Former Member

    I dont know about that. All it is, is for emissions .....right???? I can cut them out at work. I may cut them out and split them. Weld them back together and make it look like they arre real. I like the deep rumble when they are gone but hate tickets more!!!
  8. Jimmeh

    Jimmeh New Member

    YOU can personally do whatever you want to them. A SHOP can not legally do it.
  9. Coach24

    Coach24 New Member

    I know in Utah you fail your inspection if they aren't there. So I guess there is some leway between the state lines.
  10. SurrealOne

    SurrealOne Former Member

    When I lived in KS there was no state inspection. The only inspection you had to get was a VIN check when bringing a vehicle into state because you moved there; they'd run it to make sure it wasn't stolen. Beyond that, no emissions checks, no annual inspection of any kind, nada. Old school. It's one of the few things I liked about KS.
  11. giorge

    giorge New Member

    Depends on where you live in Utah, Cache county has no emissions checking.
  12. SurrealOne

    SurrealOne Former Member

    The one thing to watch are local noise ordinances. While you may be emissions-legal, you might be noise-illegal. That one's a nasty one, too, because noise ordinances are irrespective of the cause -- i.e. not tied to your vehicle, at all. Roll up on an unmarked while traveling somewhere and you might find yourself with a noise ticket just because the guy was cranky. It's something to consider.

    Most folks who want to ditch the cats will simply install dumpers (basically a manual or electonically controlled Y-valve) before the cats ... so they can be quiet when needed but straight-pipe when they like.
  13. Sierraowner5.3

    Sierraowner5.3 New Member

    with the setup u have catmechanic i think you will be to loud. a cutout would do what you want tho.

    Alex
  14. Coach24

    Coach24 New Member

    yup, forgot the rural areas don't have to pass emissions, yet.
  15. SurrealOne

    SurrealOne Former Member

    Dumper == Cutout
    (for the lay people)
  16. Sierraowner5.3

    Sierraowner5.3 New Member

    yeah what he ^^^ said.

    Alex
  17. catmechanic07

    catmechanic07 Former Member

    I started my truck when the exhaust was cut off directly behind the cats. Wasnt as loud as it is with the Flowmaster on it. I know.....seems impossible but its true.

    I also had a Thrush muffler with a turn down on it and it was terrible for "droning". I dont think Id try a cut-out
    Last edited: Jun 19, 2012

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