Please specify your question by product conversion: Rottweiler, Bren Tune, Open Tune, Akra complete exhaust, Etc. Allot of your KTM SD fuel consumption boils to A/F ratio's. 14.7= Good Fuel Economy/ 13.4= Great performance & Poor Fuel Economy. Best, Soo i just wanna put Austing Racing De cat systeam Gp1r + akra map in my dealership . 5ZaDWqW.