BASSANI XHAUST B1 2:1 Exhaust - Black 1V38RB High Torque Starter Graves Motorsports Aprilia 660 model

Graves Motorsports Aprilia 660 model steering stop (see bike fitment below)

and heat resistance

Noise attenuating foam in the ear-pocket helps reduce noise

The lower pivot position is possible due to the dual-pivot assembly

Allows correct adjustment of the primary chain to the factory specifications of 5/8" to 7/8"

BASSANI XHAUST B1 2:1 Exhaust - Black 1V38RB High Torque Starter Graves Motorsports Aprilia 660 modelDesigned specifically to address the needs of tuned motors built for high horsepower applications Use a unique extended inner collector maximizing performance 4" straight style performance muffler body with 2 1 2" x 16 1 2" baffle and black billet end cap with contrasting machined flutes Oxygen sensor port plugs also included for non sensor applications Made in the U. S. A.