hello all..want to ask..
perodua alza ezi, changed k&n drop in, denso iridium spark plug and a VS installed...for exhaust stil stock..
any recommedation to upgrade performance on pick up and FC ? changed to 4-2-1 extrator?
Basic Intake and Exhaust Modification Guide, for normal aspirated cars v1.0
Sep 19 2014, 02:44 PM
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