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Two Brothers Racing 2009-2011 Yamaha R1 Dual Exhaust System
Alternate Views:	Quantity in Basket: None Code: TBR0052380 Price: $679.95 Usually ships in 2-3 business days.
	Exhaust : < Select One > Slip-On Aluminum ($679.95) Slip-On Carbon Fiber ($849.95) Slip-On Titanium ($849.95) Full Stainless Aluminum ($1614.95) Full Stainless Carbon Fiber ($1699.95) Full Stainless Titanium ($1699.95) Full Titanium Aluminum ($1784.95) Full Titanium Carbon Fiber ($1869.95) Full Titanium Titanium ($1869.95) Stainless Steel Y-Pipe Only ($271.95) PowerTip : < Select One > No Thanks Yes ($59.95)
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Two Brothers Racing 2009-2011 Yamaha R1 Dual Exhaust System
The Two Brothers Racing high performance Dual M-2 V.A.L.E. Exhaust Systems are the perfect match for the 2009-2011 Yamaha R1. By adding a Two Brothers Racing high performance exhaust system, you will reduce the weight, increase torque and horsepower and dress up the look of your bike. The Two Brothers Racing dual M-2 V.A.L.E. slip-on exhaust system for the 2009-2011 Yamaha R1 features unsurpassed craftsmanship and improved performance. These are just a few of the benefits you gain by adding one of the dual M-2 V.A.L.E. slip-on exhaust systems to your bike. By reducing the weight (-3.5 lbs.) and improving the horsepower (+4.3 hp) and torque (+0.6 ft/lbs.), the Two Brothers Racing dual M-2 V.A.L.E. slip-on exhaust system for the 2009-2011 Yamaha R1 is exactly what you need for unlocking all that your bike has to offer. M-2H V.A.L.E. Slip-On Exhaust 2009-2011 Yamaha R1 Dual Slip-On Exhaust System Dyno Chart The Two Brothers Racing dual M-2 V.A.L.E. full exhaust system for the 2009-2011 Yamaha R1 features unsurpassed craftsmanship and improved performance. These are just a few of the benefits you gain by adding one of the dual M-2 V.A.L.E. full exhaust systems to your bike. By reducing the weight and improving the horsepower and torque, the Two Brothers Racing full exhaust system is exactly what you need for unlocking all that your 2009-2011 Yamaha R1 has to offer. Available with stainless steel headers or ultra light titanium headers to save even more weight. 2009-2011 Yamaha R1 Dual Full Exhaust System Dyno Chart Aluminum is a very lightweight and strong material used extensively in the aerospace, automotive, and of course, motorcycle industries. Aluminum is a wise choice due to its excellent strength to weight ratio, corrosion resistance, and clean look. Two Brothers Racing uses lightweight thin wall .060” extruded 6061 aluminum alloy that is heat treated to a T-6 condition for increased strength, durability, hardness, and finish hold. After the aluminum has been heat treated, it is cut to length and given a brushed satin finish. Ounce for ounce, aluminum is the best value muffler. As a rule, the Two Brothers Racing aluminum mufflers weigh about 8.3 oz. more than carbon fiber or titanium mufflers. Two Brothers Racing has been using carbon fiber in motorcycle mufflers since 1992. They are currently the only U.S. Company to exclusively use Filament Wound Carbon Fiber (FWCF) on every carbon fiber muffler they sell. They draw on only the best high temperature resins and control a proprietary lining system adopted from spacecraft, for additional heat resistance. Two Brothers Racing FWCF is continuously wound over a precision machined mandrel for a 100% seamless bond. The FWCF tube is then cured in a high temperature autoclave oven for superior strength and heat resistance. These crucial elements meld to form a precision lightweight muffler that will perform as well as it looks. By weight, titanium is one of the world’s strongest readily available metals, making it ideal for mufflers. It is 45% lighter than steel with comparable strength and twice as strong as aluminum while being only 60% heavier. That’s right, titanium is HEAVIER than aluminum, but since it is twice as strong Two Brothers Racing is able to use very thin (.024”) material to construct their titanium mufflers. The result is a muffler that is about 8.3 oz. lighter than the aluminum mufflers. Titanium has become an industry standard for motorcycle mufflers due to its durability, corrosion resistance, lightweight, and factory look. V.A.L.E. Attachment System & P1 PowerTip Sound Suppressor   V.A.L.E. = Variable Axis Locking Exhaust The V.A.L.E.™ system is Two Brothers Racing's revolutionary and patented method of attaching the muffler canisters to the exhaust tube without the use of springs or welding. The V.A.L.E. system allows 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.   P1 PowerTip Specifically designed to meet the unique requirements of performance road bikes, The Two Brothers Racing P1 PowerTip™ sound suppressor is a recommended accessory for their exhaust systems with M Series outlets. A straight through sound diffuser, the Two Brothers Racing P1 PowerTip™ quiets the pipe by 3-4 dB with no significant loss of horsepower. Installation is easy. Simply unbolt your existing M series end cap, drop in the P1 and reassemble.

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