Posted January 24, 201411 yr hi guys its my first time on here i own a YAMAHA YBR 125 the exhaust has a large split in it i look at trying to get it welded or getting a new aftermarket exhaust now i have fount one its a leo vince cobra exhaust but on my ybr there is a pipe coming out of my standard exhaust i have heard that this is called a EGR valve does anyone know how to bypass it if this is possible i do a lot of milage will it cause any damage to the engine or the bike by fittng this exhaust
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