The GPR Albus Evo4 slip-on exhaust enhances motorcycle performance and sound quality. This exhaust system features an aluminum body construction with precision CNC-machined Avional caps. The ceramic coating provides superior heat resistance. The exhaust delivers improved power output and sound characteristics compared to stock systems. The elliptical design measures 90 x 120 mm for optimal flow. GPR manufactures this exhaust in Italy with premium materials and expert craftsmanship. Enhanced Performance: The streamlined design increases airflow and power output compared to stock systems Superior Construction: Italian manufacturing with high-grade aluminum and precision CNC machining ensures lasting durability Weight Reduction: Lightweight aluminum construction reduces overall motorcycle mas.