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C50_hva_logga_1973003_1501781111 captmoto Quote
10/5/2017 7:17 PM

17 FC450. Has anyone messed with the stock muffler, as in removing the baffle in there to improve flow? Was it worth the time and effort? Did you get any noticeable change? I can get a decent deal on a couple different pipes but like to tinker with stuff.

The older I get, the faster I was.

C50_3ogswj_1496159065 CSAR FE Quote
10/5/2017 7:24 PM

The two perforated cones in the exhaust are welded in and are a bitch to get out, in my experience. My advice is to remove the stocker, throw it in the trash and buy a slip on or full exhaust from Tokyo Mods. They will do a free remap as well. Made a huge difference on my FX450.

C50_101843880_1252836745 skypig Quote
10/5/2017 10:33 PM
CSAR FE wrote:

The two perforated cones ...more

This is basically what my research has come up with.
Except, I’m planning to keep my stocker :-) as a back up if a track I get to comes under some sort of “sound Nazi” rules.
(Sometimes I Race Supermoto at “one off” tracks set up in the city.)

C50_screenshot_2017_08_07_18_21_52_1506019657 dirtmike86 Quote
10/6/2017 9:46 AM

If the ktm muffler will fit the huskys i got my stock one laying around if you want to try it.. If iam not wrong the ktms dont have that insert.

C50_my_14_tc250_1489851104 braaap707 Quote
10/6/2017 11:58 AM

I have a FMF 4.1 muffler on my 17 450 now but before that i had a 2016 ktm 450 muffler laying around so i threw that on to make it actually rideable for a couple of weeks and it made a world of difference. No more cough out and flame outs like i had before. Cheapest fix if you know somone with a KTM stock take off muffler.

C50_101843880_1252836745 skypig Quote
10/6/2017 3:53 PM
braaap707 wrote:

I have a FMF 4.1 muffler ...more

Do you rate the FMF another step up over the KTM muffler?

C50_hva_logga_1973003_1501781111 captmoto Quote
10/6/2017 7:30 PM
dirtmike86 wrote:

If the ktm muffler will ...more

Thanks, I do have a line on a 16 KTM muffler to try for now. I was at John Burr Cycles today and Nick there who races Works likes the Yosh systems. He was looking for a slip on and was going to make me a good deal if they had one.

The older I get, the faster I was.

C50_101843880_1252836745 skypig Quote
10/7/2017 12:15 AM

I’ve got a Ti FMF 4.1 Full System coming.
It’s only money, right?


(The more I spend, the faster my bike looks....... in the pits)

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