qqp question1: Should I fit off road silencer (provided by RE) to my Brand new RE classic 350 on delivery itself or keep the stock silencer? question2: Royal Enfield Motorcycles: Can I fit the OEM made Upsewpt Silencer on purchase of my Classic 350 on delivery itself? Or I should complete Run-Ins on the Stock one and then fit the Upswept Silencer (OEM Made)?