Best design and premium materials blend in the single and twin exhaust systems

The first truly reliable system

The upper features extensive TPU protection on the toes

Our protection reduces the risk to the exposed mechanics of the BMW F 750/850 GS and F 850 GS ADV

Quick drying

GPR Exhaust - Evo4 Road Racing Full Line for Aprilia SR 300 MAX I.E. - 2011 to 2015 past type tag-Tank Bags Best design and premium materialsGPR's Evo4Road silencer series is made of 304 black stainless steel with a ceramic paint finish that withstands high temperatures. It has an elliptical shape with a diameter of 90mm. Product Features SOUND: Upgraded sound from stock exhaust. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical Specifications Shape: Oval Body Color: Matte Black Endcap Color: