Stock exhaust

[capt.270]

Hey so I am looking to get a spark arrestor for my bike, probably just a end cap.  While I was at it tho I have an 03 YZ450 and it has the stock silencer on it that goes out to the edge of the fender. Would I be able to cut it off a little past the mounting bracket and put the end cap on there and not loose any power? or would I gain power? And also would it be louder or quieter?  thanks.

[grayracer513]

There is little or nothing to gain from shorteneing the muffler except more noise and eventually a cracked muffler core. 

[capt.270]

sorry i forgot to post I'm looking to protect the end of the muffler from being torn to shreds by wrecking, If i cut it to the mounting bracket it would be behind the side panel and more tucked away like the rest of the exhausts.

[yz133rider]

Id cut it without any worries. Itll look a heck of a lot better but dont go crazy as it definitly adds noise. Getting a fmf q with a arrestor already may be a better overalll option

[capt.270]

So no problems or loss of power from cutting it? besides being louder (which is always good )

[yz133rider]

Its a 450 if it loses .35 of a hp will you really be upset?

[grayracer513]

 besides being louder (which is always good )

 

In what way is being louder good?  Louder is...

 

• Damaging to your hearing
• Physically fatigues you (whether you know it or not)
• Adds nothing at all to the performance of the bike
• Turns the public against the sport

[yz133rider]

I agree with that, louder is bad. Thats why i suggested the fmf q with a s/a buit in. Better looks, lighter, more power most likely and less sound.

[capt.270]

the sport is being shut down because riders are being disrespectful to others on the trails.  not because of a loud bike.