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Two Brothers M2 Slip-On Exhaust

Item: P178286

The M2 is a beloved exhaust among riders thanks to its use of high quality and contrasting materials and that unmistakable Two Brothers exhaust note. Read More

$356.96 $1,055.98
$419.95 $1,164.98
Save $62.99 15%
Price depends on fitment. Select your bike to continue.
Rebate Available! View Details
This product is vehicle specific.
Select a bike to ensure fitment.

Product Details

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Two Brothers M-2 VALE Slip-On Exhaust

Each Two Brothers Racing M2 Slip-On features the same high level of quality construction and is designed to be fully-serviceable in the event of damage, routine maintenance or the occasional repack. All TBR’s M series slip-on exhaust systems feature the innovative V.A.L.E. system with CNC'ed aluminum inlets. The V.A.L.E. system is TBR's revolutionary, patented method of attaching the muffler canisters to the mid-pipe without the use of springs or welding. This system allows the muffler assembly - exhaust mid-pipe and canister - to be positioned perfectly on the bike before all the mounting hardware is fully tightened. Once the canister and mid-pipe are properly aligned, the V.A.L.E. assembly locks the muffler canister to the mid-pipe assuring a perfect, leak-free connection.

Two Brothers' mid-pipes are manufactured from .035" thick stainless steel and feature a polished satin finish. They exclusively use 304 stainless steel for its high rust resistance. After a few heat cycles the 304 steel turns a golden amber color, which is the signature of high quality stainless steel. The exhaust note produced by all of Two Bros exhaust systems is best described as being deep and throaty, without suffering from the shrill whine normally associated with other manufacturer's straight through muffler canisters. But this bark would be pointless without a bad bite, so no matter which great sounding TBR’s exhaust you choose they will all reduce weight and deliver additional horsepower and torque.

As the government aka “The Man” pushes for greater emission restrictions, motorcycle manufacturers are forced to make their exhausts heavier and more restrictive. Two Brothers Racing has given the motorcycle community the means to stick it to the man with the M Series Slip-On Exhaust.


  • V.A.L.E. (Variable Axis Locking Exhaust)
  • Spiral-wound perforated core
  • Black Teflon coated magnesium end-cap
  • Rubber-lined exhaust clamp
  • Optional P1 and PX1 sound inserts available (sold separately)
  • Optional anodized bolts kits available (sold separately)
  • Made in USA
Made in the USA
This Product Fits
F650GS 2008-2013
F650GS ABS 2008-2013
F700GS 2015
F800GS 2008-2015
F800GS Adventure 2013-2015
F800S 2007-2008
F800ST 2007-2008
K1200GT 2006-2011
K1200R 2005-2008
K1200S 2005-2008
R1200GS 2005-2007
R1200GS 2008-2009
R1200GS Adventure 2006
R1200GS Adventure 2008-2009
R1200GS HP2 2006
S1000R 2014-2016
S1000RR 2010-2014
Spyder RS 2010-2012
Spyder RS-S 2010-2012
1098 2007-2008
1198 2009-2011
848 2008-2010
848 EVO 2011-2012
Monster 1100 2009-2010
Monster 696 2008-2012
Monster 796 2010-2012
CB1000R 2008-2013
CBR1000RR 2004-2006
CBR1000RR 2008-2011
CBR1000RR 2007
CBR250R 2011-2013
CBR250R ABS 2011-2013
CBR600F4I 2001-2006
CBR600RR 2003-2004
CBR600RR 2005-2006
CBR600RR 2007-2012
CBR600RR ABS 2009-2012
RVT1000R RC51 2002-2006
ST1300 2003-2012
ST1300 ABS 2003-2012
VFR1200 2010-2013
VFR800A Interceptor ABS 2002-2009
VFR800A Interceptor ABS (Anniv. Ed.) 2002-2009
VFR800 Interceptor 2002-2009
VFR800 Interceptor (Anniv. Ed.) 2002-2009
GT250R 2007-2013
GT650 2007-2014
GT650R 2007-2015
GT650S 2007-2013
ER-6F 2006-2011
ER-6n 2009-2011
Ninja 1000 2010-2014
Ninja 1000 ABS 2010-2019
Ninja 250R 2008-2013
Ninja 650R 2006-2011
Ninja ZX-10R 2011-2015
Ninja ZX-10R 2006-2007
Ninja ZX-10R 2004-2005
Ninja ZX-10R 2008-2010
Ninja ZX-14 2006-2007
Ninja ZX-14 2008-2011
Ninja ZX-14R 2012-2019
Ninja ZX-14R 2006-2007
Ninja ZX-14R 2008-2011
Ninja ZX-6R 1998-2002
Ninja ZX-6R 2009-2012
Ninja ZX-6RR 2003-2004
Ninja ZX-6RR 2005-2006
Ninja ZX-6R ZX636 2003-2004
Ninja ZX-6R ZX636 2005-2006
Versys 650 2008-2014
Z1000 2010-2013
Z1000 2003-2006
Z1000 2007-2009
Z1000 ABS 2014-2016
Z1000SX 2016-2017
Z750 2007-2012
Z750S 2005-2006
ZZR600 2005-2009
GSF1200S Bandit 2005-2006
GSF1250S Bandit 2007-2012
GSF1250S Bandit ABS 2007-2012
GSF650S Bandit 2007-2012
GSX1250FA 2011-2012
GSX1300BK B-King 2008-2009
GSX650F 2008-2009
GSX-R1000 2009-2011
GSX-R1000 2005-2006
GSX-R1000 2007-2008
GSX-R1000 2001-2004
GSX-R600 2011-2019
GSX-R600 2006-2007
GSX-R600 2008-2010
GSX-R600 2001-2005
GSX-R750 2011-2019
GSX-R750 2000-2005
GSX-R750 2006-2007
GSX-R750 2008-2010
Hayabusa GSX1300R 1999-2007
Hayabusa GSX1300R 2008-2019
Katana GSX600F 1998-2006
Katana GSX750F 1998-2006
SFV650 Gladius 2009-2015
SV1000 2003-2007
SV650 2003-2009
SV650 ABS 2003-2009
SV650S 2003-2009
SV650S ABS 2003-2009
V-Strom 1000 2002-2013
Daytona 675 2006-2012
Daytona 675R 2011-2012
Daytona 955i 2002-2004
Speed Triple 2007-2010
Speed Triple 2005-2006
Street Triple 675 2008-2012
Street Triple 675 R 2008-2012
Tiger 1050 2007-2012
FJR1300 2003-2005
FJR1300 2006-2013
FJR1300A ABS 2003-2005
FJR1300A ABS 2006-2015
FJR1300ES 2014-2015
FZ1 2006-2015
FZ6 2004-2009
FZ8 2011-2012
R1 2009-2014
R1 2007-2008
R1 2004-2006
R1 LE 2009-2012
R1 LE 2007-2008
R1 LE 2004-2006
R6 2006-2019
R6 2003-2005
R6S 2006-2009
Super Tenere XT1200Z 2010-2013
YZF600R 1996-2008


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Product Description
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Related Video

How To Install a Motorcycle Exhaust

Reviews & Questions

4.5 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
4.2 / 5
Ease Of Install
4.4 / 5
4.6 / 5
Bang For The Buck
3 / 5
Ease Of Install
5 / 5
4 / 5
This review is for the M2 VALE Carbon Fiber exhaust recently purchased and installed on my 08 Suzuki DL1000.

Shipping from Revzilla was fast and efficient. Packaging was excellent. Used Zilla bucks from previous purchases to save on the total cost.

The installation was very straightforward and simple for even novice mechanic. Tools for install included along w Permatex. Look and finish is awesome. I weighed the difference between stock cans w/ downpipe and the carbon fiber cans and downpipe, and shed 8lbs from the bike.

These cans are UNRESTRICTED. You run basically an open pipe with baffling surrounding the end which makes for a VERY LOUD pipe that sounds raspy and no different than the straight pipe on a Harley (if you're running a twin engine). Your bike will run very lean due to no backpressure and that's not good. Warning: If you are buying these cans only, you will need to somehow richen the fuel delivery. I ran the bike two days in stock fueling configuration and the bike hesitated, popped, stalled at idle and only ran well when the throttle was WFO.

The next day I installed a Power Commander V - for the exhaust setup. Without the PCV or an alternate fuel
control system, these cans would make your life miserable and your bike run poorly. After the PCV was mapped for this bike and these cans (Power Commander has the exact map download for this configuration) - I went for a ride and it was smooth and responsive. No more stall or hesitation or excessive popping.

However, it was still WAY TOO LOUD as an open pipe AND was still missing low and mid range power! Two Brothers sells separately 3 variations of a "power tip" which inserts between the end of the can and the end cap to create backpressure and restrict the open ended can, reducing decibles and creating some backpressure. I did not run the pipes with the power tip in stock fueling mode so I do not know if this configuration will work with stock fuel delivery, This power tip (P1X is the one I bought) costs $35.00 EACH and amounts to a basic machined aluminum pipe fitting. Since I needed two of them, my cost with shipping was $70. Once installed, the exhaust noise was tame(er) and the low and midrange power restored.

Installing open pipes on a motorcycle will require jetting or fuel control mapping, but there is no mention of this in the paperwork from Two Brothers. That's OK, I expected it, but others may not. It should be stated somewhere before purchase that this application will not run with stock fuel settings and will require jetting or mapping otherwise your bike runs like junk.

The Two Bros. M2 VALE "system" as ordered is not complete IMO, i.e. no "power tip." I hate feeling like I'm being nickeled and dimed, particularly when so many consumers deem this power tip a necessity. It is a very simply machined aluminum part that costs
little to manufacture. I'd rather pay the extra $70 up front and have it included in the initial purchase of the "system" and not sold separately. Are you listening Two Bros? It makes me hesitate and reconsider future purchases such as Staintune or Leo's.

In the end I am satisfied with the setup and feel like I gained a few extra horsepower and a nice sounding bike with no more fuel surging or hesitation issues. With the power tips it is now tolerable for my passenger on the highway. I gave the overall cost, setup, and performance 3 stars due to the fact that the cans alone do not make this a "system" and should not be advertised as such. You WILL need a fuel controller and the "power tips" to make the "system" perform optimally, a total cost of around $1,200.00. The power tips should have been included in the intitial purchase of the system and some mention of it should made by either Revzilla or Two Bros. that fuel mapping will be a necessary modification to complete installation.
June 3, 2015
1985 Yamaha RZ350
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
Best thing you can do to an NC700X,
Transformed my bike! Added power and amazing BMW type sound. If you can afford to do only one upgrade to your bike... This is it!
May 23, 2013
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
4 / 5
I bought this and put it on my 2008 Kawasaki Ninja 650R and it sounds beastly. My bike no longer sounds like a Vespa. It is so much louder than I expected; any video you watch online does not do it justice.

The exhaust was very easy to install, but the hardest part was getting the stock exhaust off. All in all, it took me about an hour from start to finish.
May 19, 2014
Bang For The Buck
3 / 5
Ease Of Install
4 / 5
5 / 5
Thrilled with the result, but a couple of quick warnings
I purchased this system for one reason only...the sound. What I got was a lot more. Installation went pretty smoothly. And when I pulled the OEM muffler out I could see why my stock FZ6 sounded like a Moped. And I was amazed that my poor bike could breath at all through the OEM canister. The Two Brother cans open everything up and the bike can now breath! It runs noticably (albeit only a little) better and sounds terrific.

A couple of quick notes regarding installation. 1) Be sure to make your cut within an inch or two of the blinkers when you are removing the OEM wiring harness. Yes, you will be reusing that. 2) Do not torque the license plate light bulbs too much or the hollow bolt with break. I broke one. Apart from that, installation is a breeze. It took me about 3 hours, but I wasn't in a hurry.

I would strongly recommend this or any other slip-on exhaust replacement for an FZ6. UNLESS, it is important to you to have a very quiet bike - which a stock FZ6 is (IMO).
January 19, 2015
2004 Yamaha FZ6
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
It doesn't HAVE to be loud
I bought mine for a 2014 kawasucki Z1000
This means (because it's a slip on and I didn't delete my cat) it's four into one into two.

Definitely louder than the stock barrels and at first, because everybody online cried over the noise, I believed it was too loud too. But every day that somebody comments on the bike I bring up these exhausts (carbon for me) and I ask em if they think it's too loud. Nope

For an example, after a ride out I stopped and asked a city trooper why the road was blocked off and then we had a whole conversation, without yelling, without me turning off the engine.
Nobody but me thought they were too loud.

NOW. I just bought a 2009 ninja 650r that has the bottom exhaust that's hidden and....if that's a cat attached to the back of it, I'm a monkey's uncle.
Anyways let's say there isn't a cat. it's two into one and with no cat to act as a baffle this exhaust is SUPER loud even with the p1.
I tried it without it......Noono.

To those who say it's too loud I'd say put your cat back on, and to those looking to buy one, I would say keep your engine in mind.

What I mean by this is that my z1 has 4X250cc explosions, while the ninja has 2X325cc
As a result I notice more of a punch with each explosion from the ninja, than from the smoother (and more frequent, because of the two extra cylinders) humm that comes from my 4cylinder smaller-cc-per-explosion z1

In short: some bikes are suited for this exhaust (without gettn everybody in a tizzy-and making you regret it) and some bikes aren't imho
Also unless your motoGP keep yer damned cat on yer bike
July 22, 2016
2014 Kawasaki Z1000 ABS
Bang For The Buck
4 / 5
Ease Of Install
3 / 5
5 / 5
Great soundtrack!
Got this for my F800GS. First the negatives; It's a bit long, and the the connector pipes fitting over the stock header is too short. Unfortunately, the Aluminum one is SHINY AS HECK. Mirror-like finish . I thought I ordered the dull one, but i guess not.

It sounds amazing. Quality seems top notch. Good price on sale!
May 1, 2014
2014 BMW F800GS
Bang For The Buck
5 / 5
Ease Of Install
4 / 5
5 / 5
I got my money's worth
I installed it on my my 2012 ninja 250r, before I put it on the stock exhaust sounded like a scooter, I was always embarrassed to rev my motor when riding with others. Now my little ninja sounds like a much bigger bike then it did before. It's exactly the sound I was looking for. My money as well spent on this product.
September 8, 2015
2012 Kawasaki Ninja 250R
Bang For The Buck
4 / 5
Ease Of Install
4 / 5
4 / 5
Excellent - but with a few things to remember
Finish and quality is excellent. Really well done. The fender eliminator kit is also really great looking.

Keep in mind you'll have no fender now, so the exhaust / underside of the bike is going to get nasty in the rain very quickly. Hope you like washing your bike!

Every time I accelerate I find myself going "OH YES" however after 15 minutes of cruising I find myself now going "bleehghbhghg" as my brain bleeds from the penetrating drone.

Earplugs help but only so much. The other guys I've ridden with on longer treks hate being behind me. Sorry guys!!
September 30, 2012
2007 Yamaha FZ6
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 86 questions Browse 86 questions and 79 answers
Do you need a power commander with it?
A shopper on Jun 16, 2018
BEST ANSWER: Tbh with you I couldn’t tell you. I bought this thinking it was better than the one I already had on. And then my friend knows his research and ended up telling me the pipe I had in there was 2000 set up from the guy who had it before me. If your looking to buy this same one, anyone can have mine for half the price. It is brand new never been used never even tryed to put it on. Let me know if interested we can eat in contact
Will it work for FZ s?
A shopper on Jun 21, 2016
I have a 2012 Hyo250gtr comet and just purchased this exhaust and it won't fit because of some extended piece on the pipe; wanted to see if it's ok to remove that piece?
A shopper on Aug 7, 2014
134 Customer Reviews
134 4.5/5
84 Questions & 78 Answers
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