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         Anatomy of Graves Motorsports Exhaust Systems

Header

Flanges Billet aluminum construction ensures precision fit & finish meaning no springs are necessary to install. Our flanges are bolted into the exhaust port.

No springs to break at the flange increases the safety of Graves exhaust systems

Collectors Precision construction and hand welding ensure smooth exhaust flow

Tubing Seamless high quality tubing

Mid-Pipe

Tubing Seamless high quality tubing with mill finish. We use either stainless steel or titanium depending on the application.

Each section of the exhaust is hand welded by our skilled team here at our Van Nuys, CA headquarters.

Springs & Spring Hooks

Springs High temperature shielded springs

Spring Hooks Thicker and stronger ensure the springs have a good foothold to hold onto.

Silencer

Inlet Titanium is deep drawn over a precision die. The inlet allows for a very compact silencer design.

"Ever-Last" Packing (patent pending) Our packing material is made up of several continuous strands of fiber rather than short chopped sections of fiber. Each continuous strand of fiber is several hundred feet long thus preventing it from being blown out of the canister by the exhaust pulse. As such we do not have to use a stainless wool or stainless steel mesh to hold the packing back. By removing this barrier the packing can do a better job of absorbing the exhaust pulses.

Packing Divider Plate (patent pending) Exhaust pulses tend to push the packing toward the exit of the silencer reducing performance and increases the harshness of the exhaust note. The packing divider plate ensures the "Ever-Last" packing material stays put in the first third of the silencer where it is needed the most.

Tapered Core The tapered cores are altered in size and taper length for each motorcycle. By doing so we can maximize the performance of the exhaust system on each motorcycle.

End-Cap The new end cap is made from Titanium and is of a tapered conical shape. Titanium is deep drawn over a precision die. New

Performance

Graves Motorsports exhaust systems are designed to maximize performance across the rpm range.

This makes the motorcycle easier to ride by having a wide power band.

Check out the entire line of Graves Motorsports Exhaust Systems

  
  Yamaha R1 Yamaha R6
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