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The Graves Motorsports WORKS Stainless Steel Full Exhaust System features Graves Motorsports proprietary ADSD exhaust technology. Up to a 20% gain in horsepower is achieved while eliminating weight. This system exhaust features all stainless steel construction with a carbon fiber silencer, and is rated for a competition-friendly 95 dB @ 5000 RPM.
The ADSD is a targeted approach to the perpetual compromise between horsepower and sound level while at the same time improving torque, fuel efficiency and throttle response. And unlike currently available exhausts, the ADSD system accomplishes all these benefits simultaneously, throughout the entire usable RPM range.
Graves began development on the ADSD system due to increasingly strict sound regulations for competition world-wide. The goal was to exceed the exceptional level of quality and performance of previous generations of Graves Motorsports exhaust systems while complying with all regulatory bodies in regards to decibel levels.
Graves is proud to announce that those goals have been met and surpassed. The average ADSD sound reduction over a conventional-style exhaust is 2.5 db, while maintaining horsepower increases of 12 - 20%. The secret is in the two-chambered header pipe, specifically tuned to divert returning exhaust pulses, avoiding power-robbing turbulence near the exhaust port and reducing sonic amplification. No other system can give you the same performance and meet these goals.
Graves Motorsports has kept this technology solely for the use of their championship winning race-team while traversing an in-depth patent application process, but is now able to offer this exciting product to the general public. Graves brings you the first of many new systems utilizing this technology.
This system has been extensively tested by the Graves Factory Supermoto Team and was used by Brandon Currie to sweep the 2008 AMA Supermoto Lites Championship and on Mark Burkhart's 2008 Moto X Games race winning machine.
Tapered Core: The tapered cores are altered in size and taper length for each motorcycle; this maximizes the performance of the exhaust system on each model of motorcycle.