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Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015
  • Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015 - Aluminum
  • Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015 - Titanium
  • Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015 - Carbon Fiber
  • Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015
  • Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015

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Video Reviews (2)

Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015 Videos

Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 

Slip-On exhaust systems replace your existing “s-bend” pipe and exhaust canister. Two Brothers' s-bends are manufactured from .035" thin wall stainless steel. They then polish them to a satin finish. Two Brothers' uses only #304 stainless which will never rust. 

After a few heat cycles the steel turns a golden amber color which is the characteristic signature of high quality stainless steel. 

These systems not only add horsepower but also can drop significant weight from your bike. This type of canister can be mounted in the original canister position or in a “high” mounted canister position depending on the bike.

The entire line of TBR M Series canisters feature the same high level of quality construction and are designed to be fully serviceable in the event of damage, routine maintenance or the occasional repack. Two Brothers Racing's V.A.L.E.™ slip-on exhaust systems and flange-on systems feature CNC'ed aluminum inlets. These special designs provide for ease of maintenance as well as simplified construction, which is what a premium performance product is all about! The exhaust note produced by all of their Top Level™ 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.

V.A.L.E. = Variable Axis Locking Exhaust. The V.A.L.E.™ system is TBR's revolutionary and patented method of attaching their muffler canisters to the exhaust tube without the use of springs or welding. Their V.A.L.E. systems allow the muffler assembly - exhaust tube and canister - to be positioned perfectly on the bike before all the mounting hardware is fully tightened. Once the canister and exhaust tubes are properly aligned, the V.A.L.E. assembly locks the muffler canister to the exhaust tube assuring a perfect, leak-free fit.

NOTE: Please check local laws before purchasing. Some modifications may be prohibited in some states.

This Product Fits:
FZ1 20062015
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Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015 4.8 5 4 4
Great sound, less weight Bought this for my 2007 FZ1. Install turned out to be a bit of a nightmare but was no fault of two brothers. The FZ1 has the exup system, and there is a little metal plate that covers where the servo cables connect to the exhaust. I ended up having to drill through the plate after I stripped the hex bolts. That plate added more hours then needed to the install. After I got the plate off the install was pretty easy. Getting the exhaust to sit straight up is a bit of trail and error. Definitly louder then stock, but not obnoxious, it adds a nice low end rumble. At high revs this thing screams, but still sounds deeper then stock. It sounds like a monster at high revs when your blazing down the road! As for performance, it didn't seem to hurt low rpm torque and high rpm is more peppy. It's a straight pipe muffler so you can stand a good 10 feet behind the bike and feel the exhaust pulses. One thing I don't like is the aluminum version seems to get scratched somewhat easily, then again road debris would probably do the same thing over time. Maybe using chrome cleaner will take out some of the scratches. July 22, 2015
Good quality and AWESOME sound! I purchased this slip on for my 2012 Yamaha FZ1. My bike sounds like a mean moto GP bike now. Traffic hears me coming and I feel much safer now riding in town. Revzilla got my exhaust to my house very quickly and it came packaged securely. The quality of the carbon fiber black series is great and it looks even better in person! Any video you watch online does not do this pipe justice. It is much louder in person but not uncomfortable while riding at all. Makes your motorcycle so much more fun to ride! I gave 3 stars on install simply because I believe my exhaust was packed with the wrong mid pipe barrel clamp by 2 bros. I called 2 bros and they sent out a new clamp no questions asked! Great service and great product! July 21, 2014
Excellent Product Bought the Two Brothers "Black Series" carbon fiber exhaust canister for my 2012 FZ1. Installation was a breeze - perhaps an hour at the most. Everything fit perfectly and the whole process was seamless from start to finish. The product arrived in less than a week, and I was impressed by the care taken in shipping. The product itself was in the original Two Brothers packaging and very well protected. That box was then inside another box which was an exact fit and added additional protection, then both of the above were inside a larger box that was packed with paper to prevent any rattling or movement. Above and beyond in my opinion. The product appears to be well constructed and looks great on my bike, and really adds a nice growling sound to the exhaust note. In my opinion you lose a little low end torque when compared to the stock exhaust, but the reduced weight, sound, look, and additional horsepower more than make up for the difference. I would strongly recommend this product to anyone. July 15, 2013
Love the sound of the carbon Love the sound of the carbon, I just heard the same bike with the yoshimira exhaust and mine was way louder an better sounding March 11, 2013
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Have a functionality, fit, or otherwise product-specific question about the Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Two Brothers M-2 VALE Slip-On Exhaust Yamaha FZ1 2006-2015
Already Asked: 6 Questions, 17 Answers
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A shopper asked: Is it necessary to remap the fuel injection with the installation of just this slip-on for a 06 FZ1? Nov 10, 2013
Answer this · Send to friends Good question? Yes (0) No (0)
Kevin W: No. So far I've added the Two Brothers Slip-On (I left the cat in), K&N air filter, and blocked the AIS (this helps eliminate some of the poping noise when decelerating) and the stock CPU had no problem adjusting to these changes. If you do any other modifications, such as an air box mod, flies mod, etc. you will need to remap the fuel injection or you will run lean.

Of course, if you want the full benifit out of any modification, you should have a custom map installed.

There are several discussions about modifications, maps, etc. on the FZ1 Owners Association (FZ1OA) forum fi you need more information.

Also, Copperdawg has several good "how to" videos on You Tube regarding these modifications.
Nov 10, 2013
Reply to Kevin Good answer? Yes (1) No (0)
Troy G: If the only thing you change is the exhaust, it may not be a requirement, however you will probably end up with some decelerate popping. I did the Lars intake mod, gutted the cat, and removed the Exup cables with the installation of the slipon, so I also added a power commander to balance it all out.
The FZ1 community has a massive forum (FZ1OA), where the people have posted different "maps" for the power commander based on which mods you've performed, you simply download and upload to your bike.

I will tell you, this exhaust sounds absolutely wonderful on this bike...that deep, throaty race bike sound.
Nov 11, 2013
Reply to Troy Good answer? Yes (0) No (0)
Mark E: I don't think you necessarily need to. I put mine on about the first thing I did, before I had a thousand miles total on the bike. It doesn't lack for performance - I don't hear any popping on deceleration, and there aren't any flat spots when you roll the power on. Even in 6th gear, just a twist of the throttle will result in a strong and steady increase in speed from 60 or 70 mph to 100+ in what seems like the blink of an eye. I would fully recommend the Two Brothers M2 Vale Slip on to anyone. The carbon fiber model looks tight on the bike. Nov 10, 2013
Reply to Mark Good answer? Yes (0) No (0)
edward a: How long is this slip on? Im looking for something short to give it a shorty look! Aug 18, 2014
Reply to edward Good answer? Yes (0) No (0)
Product Style RevZilla Item # Manufacturer Product # Availability
Aluminum / Slip-On 458204 005-1500406V/N005-1500406V In Stock: Ships within 24 hours
Titanium / Slip-On 458206 005-1500408V/N005-1500408V Out of Stock
Carbon Fiber / Slip-On 458205 005-1500407V/N005-1500407V In Stock: Ships within 24 hours