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Graves Motorsports Full Titanium Exhaust System for the Yamaha FZ-09 / FJ-09 / XSR900 with carbon fiber silencer. GMS Exhaust systems are designed for the elite rider seeking top of the line performance, fit, finish and value. This FZ09 / FJ09 / XSR900 / MT-09 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 7 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles. Suggested tuning products are the optimized FTECU Flash Tune using the Graves Spec map on the FTECU database. This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited.
We use the same 1.00 MM thick wall high heat grade Titanium tubing used on our Superbikes. This material is designed special for maximum durability and oxidation resistance up to 800*Celsius / 1472*Fahrenheit. It is designed to live at almost twice the temperature of normal Grade2 Titanium. The tubes are precision bent and cut with the latest equipment available. The tubing is then welded in fixtures designed so that repeatability is second to none. It comes with 2 Lambda receiver bung for on track data logging or Dyno tuning and closed loop active tuning. The spring tabs are made from thick Titanium wire for long life.
The silencer is has a Titanium entrance cap and attaches to the Carbon fiber Silencer body. The silencer is hung with an Aluminum strapless mount for the cleanest look possible. The silencer body attaches to the end caps with stainless aircraft grade rivets and Titanium silencer bands. The inter core tube is made of stainless that slips over the entrance and into the exit cap that is accented with a Carbon fiber beauty cover with a 60* slash cut and a removable sound insert.
This system performs like our superbike pipe and shows like jewelry.
- Chuck Graves
Features:
New Diamond Shaped Silencer Design (Carbon Fiber silencer with Carbon End Cap), configured to compliment your triple's body lines and produce the best balance of power.
Silencer mounts directly to the motorcycle by using a stealth carbon fiber silencer strap, saving weight and streamlining looks.
Constructed from aerospace grade titanium
Machined joint fittings
Billet Hard Anodized 7075T651 Aluminum Flanges
Dual Lambda sensors come standard. Featuring stock sensor or Dyno sensor and a secondary port for Active Tune style sensor adaptability.
Advanced welding process showcases laser perfection welds
Exhaust pressure equalizing "Cross Over" tubes located in the header down pipes
Come standard with a GMS exhaust insert to quiet sound (removable).
Stock Full System Weight = 18.2 lbs. GMS Full System Weight = 6.4 lbs
Stock DB at Idle 78db
Stock DB at 5000 rpm 92db
GMS Full System with included sound insert at Idle 89db
GMS Full System with included sound insert at 5000 rpm 99db
2Brothers has yet to let me down. Great Slip on set up, deepens the sound without making it obnoxious. Easy install, took about an hour with wrapping the mid pipe. I recommend wrapping the mid, it is much hotter than stock without the wrap. Thanks Bill! -Jon
Not difficult to install. Most likely will require to replace the muffler gasket. Matches well the look of the bike. Sounds well at low to mid range, a little noisy at high RPM.
Exactly as described. Once again, Bill and team have provided a quality, well priced item. They are quick to contact with any possible wrong fit, possible issues, and always have been spot on with solutions or suggestions. Will use Bill's Performance for all my motorcycle needs. Highly recommend this company. (2010 HD Heritage Softail Classic)
I want to highly recommend Bill's Performance for all of your part needs. The entire experience was great. I was having an issue with the FP4 not connecting to my bike. I contacted Bill directly on the phone on Saturday and we were able to resolve the issue with no problems. His response time, patience with me, and customer service are top notch. I will purchase from him again. 10/10 rating. You will not be disappointed. Thank you Bill!!
This is my second exhaust from bill in 6 months for two different bikes he had exceptional customer service and always staying on top of time frame and his prices are better then anyone out there . Overall what makes Bill stand above the rest is his customer service and his passion for bikes that itself tells you what kind of person he is and his enthusiasm for motorcycles.
Bill’s exhaust personally took the time to customize my experience and be sure I got exactly what I was looking for at the best possible price. There was quick & attentive communication for all my needs and I am extremely pleased with my product and service recieved.
Had some fuelling issues in the midrange - tough to find ECUs for bikes of this age these days. Power commander sorted it out, very happy with my purchase and Bill's service.
Bill is a solid guy - will definitely shop here in the future
Had a bit of a miscommunication with the shipping timelines offered on the website as the part had to leave the vendor, arrive at Bill's shop and then be shipped to me. I reached out to Bill and he was quick to do what he could to make it right. My part arrived as quickly as he could make it happen and I appreciated the effort he put in. I'll definitely be shopping here again, fair prices and a good guy to work with.
Amazing product and phenomenal change is performance . I really loved it
Thanks to Bills performance for the amazing service and quick shipping
Highly recommended service
