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optimized driveability
To make it possible we designed headlight brackets and a case to make the Koso Thunderbolt fit your 650 Twins
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KTM > RC 390 > 2015 - 2020
SAS Valve Eliminator kit for Husqvarna 701 royal enfield optimized driveabilityThe secondary air injection system (SAS) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. This system is designed to improve emissions on stock exhaust systems but will cause exhaust popping and backfiring when you fit aftermarket exhausts. The SAS Valve Eliminator kit by SmartMoto will let you remove the SAS Valve from your motorcycle completely. Key Features Eliminates exhaust