Remove CAT without tuning? - Road Glide Forums
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post #1 of 25 (permalink) Old 08-08-2018, 09:16 PM Thread Starter
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Remove CAT without tuning?

Do you have to get a tuner if you remove the CAT? 2018 RGS. Wife says it is too hot on her right foot. Can’t really afford a tuner right now? Suggestions? Thanks.

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post #2 of 25 (permalink) Old 08-08-2018, 09:20 PM
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What kind of boots is she wearing? Is this only happening in traffic? Wondering because my wife never complained. She wears 12 inch Harley Rose boots.


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post #3 of 25 (permalink) Old 08-08-2018, 09:54 PM
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No CAT = No Warranty
No CAT = Tuner
No Tuner w/No CAT = Shitty riding bike

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post #4 of 25 (permalink) Old 08-08-2018, 10:23 PM
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Canít speak about the 18s, but my kitty ran away when I brought my Ď13 home. Zero ill effects at all. Lost the extra heat, gained a better sound, and gained a tiny bit of mpg. All wins in my book.









And yes, my kitty ran away while attached to the bike. I donít know how that could happen..... Strange right?
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post #5 of 25 (permalink) Old 08-09-2018, 12:21 AM
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I gutted my cat not long after getting the bike .. Huge difference and a retune helps , but isn't necessary , if you cant afford a tuner get the XIEDs for catless , richens the fuel up a bit , used them in the 08 and this 11 before I put the FP3 in ...

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post #6 of 25 (permalink) Old 08-09-2018, 10:16 AM
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Yous Twos are definitely the exception to the rule as all I have ever heard is how shitty bikes run (my own included) if you mess with Air Flow and do not tune accordingly - Also, be VERRRRRRRY carful if you gut your own CAT to make sure you get every single teeny tiny ( @eddienelson dick size) piece of CAT out of there before you start the motor and suck that shit back in and then blow it out into your cans - That can really fuck a bike up good

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post #7 of 25 (permalink) Old 08-10-2018, 04:58 PM
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Pulling the cat does not require a retune.

There are no down stream O2 sensors and a new cat has little if any restriction in an oem exhaust system.

Before I went to all of that effort to cut it out, I would pull the shield and wrap it with header wrap.
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post #8 of 25 (permalink) Old 08-10-2018, 06:44 PM
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I can't believe you welded the cat can up while on the bike. I know it probably shouldn't be an issue, but with ABS and the ECU and whatnot, too much at risk for me. Good on ya though, looks like you had no issues.

I would agree that a tune is probably not absolutely necessary, but as mentioned XIEDs are cheap easy and probably all that's needed to help get it running happy.


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post #9 of 25 (permalink) Old 08-10-2018, 06:49 PM
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The trick to welding on anything thatís not on your welding table, is to keep the ground clamp on the part you are welding. It has to have a good connection. NEVER weld on it if you canít keep the ground near the weld. The current will pass through things you donít want it to. Youíll notice in the pics, the ground clamp was directly next to the weld. Electricity flows through the path of least resistance.
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post #10 of 25 (permalink) Old 08-10-2018, 07:09 PM
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I know about electricity, I'm an electronics guy. I also know the havoc drawing an arc, any arc in an electrical system, regardless of the ground position. It is reassuring, to me at least, that following best practice, as you have in this case, offers some safety there. Thanks for sharing.


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