2013 stock muffler inlet diameter - Victory Forums - Victory Motorcycle Forum
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post #1 of 13 (permalink) Old 09-04-2014, 08:28 PM Thread Starter
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Default 2013 stock muffler inlet diameter

I'm a new owner of a 2013 judge and wanted to experiment with some slip on muffler with tips to replace the stock muffs. I have read a ton and can't find what the stock mufflers inlet size is? Magnaflow and a ton of others have nice 3.5-4" round stainless and Black powder coated mufflers with killer tips on them. As much as a pain it seems to be to get the stock muffs off I wanted to have them on hand during surgery. Any help?
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post #2 of 13 (permalink) Old 09-05-2014, 07:19 AM Thread Starter
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Default 2" or 2.25" ?

So it seems it's either one of the two (2" or 2.25"). The cross roads is 2.25" but not sure on the Vegas/kingpin/judge. Anyone? I will post pics and a video when done. I want to keep the merging chamber for best performance in lieu of changing the headers.
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post #3 of 13 (permalink) Old 09-05-2014, 12:11 PM Thread Starter
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Default wowza!

Amazing amount of support! THX!
The inlets are 1.75". For those looking their are many adapters Walker 41886 will reduce a 2.25" muffler (using the Magnaflow polished stainless muffler with tip, she is 14" long / 4" round) to fit over the 1.75" header. Will post results when done.
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post #4 of 13 (permalink) Old 09-06-2014, 06:31 AM Thread Starter
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Default Bitwell Mini Muffler

I found something new that fits/bolts directly on the 1.75" header pipe. These are called the Bitwell Mini Mufflers. I ordered the Black "Grenades" which are 10.25" long and 2 2/8" in diameter. This will give a kool look to the Judge. I will post a video and pics when done.

http://www.biltwellinc.com/index.php...uct_list&c=113
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post #5 of 13 (permalink) Old 09-06-2014, 07:51 AM
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Default lots of fitments but

you can slip on anything that fits but may need to improvise a support bracket. i am partial to 304 stainless + dimecitycycle.com has them with brushed finish at lo prices, prolly made by cone engineering. i would like a lighter muffler with a merge collector for my 13 hammer keeping the benefits of a 2-1 system. one slip-on can save some lbs
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post #6 of 13 (permalink) Old 09-06-2014, 10:32 AM
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Those shorty muffler might look pretty cool.
Hope you post photos

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post #7 of 13 (permalink) Old 09-06-2014, 11:05 AM
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They look LOUD.

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post #8 of 13 (permalink) Old 09-06-2014, 11:24 AM
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Quote:
Originally Posted by klementa View Post
Amazing amount of support! THX!
The inlets are 1.75". For those looking their are many adapters Walker 41886 will reduce a 2.25" muffler (using the Magnaflow polished stainless muffler with tip, she is 14" long / 4" round) to fit over the 1.75" header. Will post results when done.
You're welcome. Maybe sometimes people just don't know so should they tell you a lie so you think you're getting support?

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post #9 of 13 (permalink) Old 09-07-2014, 10:58 AM Thread Starter
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Default 1.75" confirmed

Well as told by d&d it is 1.75" in diameter for the inlet. I test fitted the magnaflow tips and they looked ok. They were too long for my taste. I will post pictures tonight. I am excited about getting the biltwell grenade pipes and seeing how they look/sound/perform. After removing the cats and Debaffling the pipes completely she sounds much better. Removing the cats help tremendously in the tone. I will get the tune updated this week too.
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post #10 of 13 (permalink) Old 09-07-2014, 04:26 PM
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Since you have done a decat you definitely need to get on the tuning. The cats are an integral tuning part on a Vic so anything you do to them will degrade actual performance at reasonable RPMs. You may recover some of it with a tuner.

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