Easy to install; no installation instructions included. Built to strict quality control standards. Durable construction for long service life. Made of high-quality aluminum material for a sharper and more sophisticated look. Production process: cutting, CNC bending. Surface treatment: spray paint. Installation location: left and right. Fitment: FOR Aprilia RS660, RS 660, RS660 2021, 2022. Color: Black. Material: Aluminum. Size: Product thickness: 4mm (structure is 2 times harder than standard). Package Contents: 1 x Motorcycle Exhaust Bracket, 4 x screws. Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm.