Removal of Catalytic Converter



Removal of Catalytic Converter

This is a discussion on Removal of Catalytic Converter within the Z1K/Z750 Performance Upgrades forums, part of the Kawasaki Z1000, Ninja 1000, Z800, Z750 & Z-750S category; Guys, has anybody dared to remove the Cat from the stock exhaust? If yes, how? Cutting the muffler open underneath the cover? I want to ...

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  1. #1
    Newbie Skylark's Avatar
    Join Date
    Mar 2005

    Removal of Catalytic Converter


    has anybody dared to remove the Cat from the stock exhaust? If yes, how? Cutting the muffler open underneath the cover? I want to avoid that and therefore I am thinking of using an airhammer thru the body of the muffler (internals obviously removed). But for that the material of the cat must be brittle. So has anybody experience with the material? Is it brittle like ceramic, or more like aluminum?

    Any advice is appreciated.



  2. #2
    Rising Star Crazi's Avatar
    Join Date
    Jul 2005
    Woodbridge VA
    It is not brittle AT ALL!! I used a method similar to yours and it took me a good while to get them out. They are made of what appeared to be thin stainless coated with the stuff cats are made of. I used a sledgehammer and a long rod and beat until it all came out of the other end.

    Don't know how you are going to get an airhammer in there but good luck and be careful... I bought another set just to be sure that if I screwed up, I still had something to ride.
    2004 ZX10R
    SR-71 - Stolen
    2005 Z1000 - Traded

    ALWAYS ride YOUR ride...

  3. #3
    Supreme Being GOODRODE's Avatar
    Join Date
    Aug 2003
    Kill'n what few curves we have in Kentucky.
    2 times
    You can also use a drill and a wood/blade drill bit. Use something like 1" or bigger, it does come out.
    2003 Z1000 Sold 10/01/2012
    2005 ZX-10R
    Akrapovic Ti Evo 2 exhaust Carbon Fiber LOR can, PC3 with custom map, BMC Race Filter, TRE, Moose Handlebar, Targa Seat Cowl, Race Intake Cam, Degreed Cams 107/104
    2009 ZX-10r
    2Bros Slipon, Bazzaz ZFI, Secondary Butterflies Removed, BMC Filter, Degreed Cams 109/105
    2011 zx10r

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  5. #4
    Site Elder TheFleshRocket's Avatar
    Join Date
    Jan 2006
    Carbondale, IL
    I spent a LOT of time with a Dremel and the "heavy duty" cutting wheels to get through both layers of metal that are over the converter. Would an air-hammer work? No idea. I bought one a few weeks ago but have yet to try it out so I don't know how effective it would be.

    The idea of getting a spare set of pipes is a good one. The ones that came on my bike are sitting against the wall in my garage, still virgin, and the spare set I bought is what's on the bike now. You ought to be able to pick up a set in nice shape for around $100 shipped, give or take $20 or so.

    See this thread for my pics of the converter and the mufflers in various states of disassembly.

    Attempting to modify stock exhaust and getting nowhere.
    --SOLD! '03 Z1000, orange
    mods: TFI, airbox mod, K&N, modded stock pipes, Ermax +15cm screen, Graphic Arts case sliders, Motivation frame sliders, Renntech passenger grab rail, 636 shock, secondary throttle sensor adjusted
    --'03 GSX-R1000, silver
    --'98 Vmax, silver/black
    --'90 CB-1, blue

  6. #5
    Up-And Comer steviejay01's Avatar
    Join Date
    May 2006
    If you get a new exhaust and connecting pipe you would also get rid or the converter no??

    Or is it located further down?
    Is this "bashing it out" method if you want to keep the stock can?

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