Stock Exhaust Modification (Yamaha MT-07)

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[stillshot]

"But officer, this is just the stock exhaust!"

[Farlig]

Cool job - a wee comment, the first layer or two of fabric around the hot pipe should be stainless steel wool to better tolerate the heat. Glass wool tends to burn out quite quickly so you will notice the sound getting louder fairly soon. It's okay for riveted mufflers where you can change the wadding very quickly but for a welded affair it's gonna be a pain in the arse to replace...

[alexrice]

Much cheaper than a new system. Good job

[Reeds_World]

Sharing my experience, just finished this for my 2018 XSR700
1) This takes a lot of time and is a pain in the ass. Easily 8 hours in disassembly, drilling & prep - At least 6 hours tig welding the thing back together
2) I used a cheap AutoZone 2"-2.5" exhaust reducer - Summit 1" - 1.5" vibrant fitting - 1" bent pipe that was inside the exhaust & packed with HLX-160-1112 from Summit too
3) The jump at 2:08 is very deceiving, cutting the can in half on the outside is not terrible, maybe an hour. Then you will spend forever cutting out all of the seam welds, and you have to cut them all out or else the thing wont come apart. When you go to weld it back together I cut scrap stainless pieces to fill all the massive seam weld holes, there was like 8-10 patches.
4) Drill as many holes in your pipe as possible, I didn't have enough the first go around, it was unbelievably loud and sounded like dog water. So I had to cut it back open and drill more holes. Fortunately, cutting it open 2nd go around is very fast to weld back together, took maybe 20 min.
5) I left the header attached the whole time. I ended up cutting the top half off, unlike the bottom half in this video. Id probably recommend cutting the bottom out, sucks either way and there wont be much difference. To get the cat out I cut the 3" pipe holding it in down the top, pried it open, cut the pieces i pried off, leaving you with half a pipe, then pried away till i got it out, then cut the rest of that 3" pipe.

Reason I did this in the first place is I've cut several other exhausts open on bikes I've owned, all can style though, like on my duke 390, crf450x, crf250x, klr650 and removed baffles. All of them were very easy and quick. This was a different beast.

If you can cut and weld, you can do this, and id still recommend it.

[corjohn]

This sounds awesome!!! Better than actual exhausts too! Wish you could do this for mine lol

[omarcarrillos]

Not what I had in mind. It turned out amazing.

[BBFazer]

Whoaw this impresses me. I'm going to buy a second hand exhaust for my tracer 7 to experiment in the same way you did. Thanks for the inspiration.

[Robocoppat]

I'm not easily impressed but this is the most impressive thing I've seen on YouTube regarding a MT-07. It sounds Awesome 👍😎. Consider me a subscriber.

[RAYQUAZA_X]

You inspired me. I will not by akra axhaust right now. First ill try to do the same but with a smaller diameter tube and try to make a S shape with holes, not a straight large pipe like u did.

[Cesar-jghm]

Mucho trabajo, para el sonido final, a seguir probando, yo ya he hecho varios, y mi consejo es que solo modifiques el tubo final de salida, es sonido será mucho más bonito

[NickParkerPhoto]

Can I mail you my stock exhaust to have this done?

[AlekR]

I did the same thing on my exhaust, and got a great sound. But the engine lost a little power, is it necessary to remap after the exhaust modification?

[jackmcminn]

Pretty nice and sounds as good as the expensive ones

[stardust]

Nice job, it looks stock but it's not. Please remove the db killer when you use the bike :)

[sam_music]

And What about emission checks? Would it pass an inspection?

[MT-THNDR]

It probably costs more to do this whole operation than it does to get an aftermarket exhaust system.

[ramonesteban]

Increíble trabajo, espectacular...
Muchas gracias por el vídeo.

[cobe_nisam.radio.trrraku]

Hi mate! 🙋🏻‍♂️ Do you think this modification is possible also with the new generation od MT07 (2021+) where CAT is located in the pipes (and not in the exhaust chamber)? Thanks in advance! 🤙🏼

[moonchild]

Questions!
@2:55 is this stainless?
@3:05 what is the material name he is holding? the curved short pipe.

[demon]

This is a great idea, BUT for $130 or less you could have got a China exhaust, with all the labor does not make sense and you still have a ton of weight. A+ for effort.