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Offline KildareMan

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Re: Cat delete
« Reply #10 on: May 17, 2013, 07:36:18 AM »
*Originally Posted by Dynodusty [+]
No doubt the bike needs to be mapped with an aftermarket muffler, heck even the stock bike needs help as I found it to be quite lean.  I run mine at 13.8 in cruise and 13.2 everywhere else.
Thought the maps we're done on throttle opening and revs. How do you define cruise?
Stupid is as stupid does.
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Offline Dynodusty

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Re: Cat delete
« Reply #11 on: May 17, 2013, 05:30:37 PM »
"Cruising down the highway in 6th I find myself at 9-11% throttle and around 4500rpm, in town in 3-4th gear I am around the same area.  So I setup this are in my Power Commander 5-15% throttle and 4000-5000rpm leaner than the rest of the map.  I may take this a step further and wire in the Gear Position to the PCV so that I can only lean out this area in 4-6th gears and leave 1-3rd richer.

Offline Steve L

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Re: Cat delete
« Reply #12 on: October 10, 2018, 11:26:15 AM »
Did removing the cat make much difference to the sound

Offline KildareMan

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Re: Cat delete
« Reply #13 on: October 10, 2018, 12:09:52 PM »
*Originally Posted by Steve L [+]
Did removing the cat make much difference to the sound

Yes for me (keeping the housing) the sound is deeper.
Stupid is as stupid does.
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Offline Steve L

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Re: Cat delete
« Reply #14 on: October 10, 2018, 08:56:45 PM »
Cheers

Offline Free-Spirit

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Re: Cat delete
« Reply #15 on: October 11, 2018, 08:28:36 AM »
Can removing the CAT have any affect re passing the MOT? Just curious. Thanks.

Offline Steve L

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Re: Cat delete
« Reply #16 on: October 11, 2018, 08:41:41 AM »
only if you tell them  :007:

Online healdem

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Re: Cat delete
« Reply #17 on: October 11, 2018, 09:42:11 AM »
*Originally Posted by Steve L [+]
only if you tell them  :007:

if you remove the cat and replace with a piece of pipe I doubt y'd need to tell 'em  :017:

Online Guyver

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Re: Cat delete
« Reply #18 on: October 11, 2018, 12:47:43 PM »
*Originally Posted by Free-Spirit [+]
Can removing the CAT have any affect re passing the MOT? Just curious. Thanks.
Most new bikes come with a cat fitted. So most MOT stations will know which bike should have one fitted and can and will fail such bikes. Not worth the risk for so little gain.

Offline KildareMan

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Re: Cat delete
« Reply #19 on: October 11, 2018, 01:22:43 PM »
Which is why I left the cat chamber in place.  The gain for me was a cooler foot.  Each to his own.
Stupid is as stupid does.
IRL via GB & CL

 


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