The GPR exhaust silencers are produced in the various material: Aluminum, Stainless Steel, Carbon, Titanium and Poppy with round or oval and in various special versions (selectable in the options). The exhaust systems GPR ensure an increase in power and a strong decrease of the weight while maintaining in most cases the carburation original unaltered. All discharges are supplied with everything needed for installation (link Pipes, clamps, screws, brackets, etc ...).
GPR discharges have been approved by the Ministry of Transport E3 European Italian and recently the European approval E9 from the Spanish Ministry of Transport. With a small operation eliminates the rear cone (db-killer) and a exhaustage is obtained for uses track. Warranty 24 months. The exhaust is delivered complete with specific approval from the sheet to be attached to the vehicle registration document.
The production GPR for road bikes 4 stroke provides homologated exhaust systems and racing made by artisans in developing and industrial equipment assembly but with regard to the production capacity. For more information and technical details visit the manufacturer's website (click on the logo at the top right).