Exhaust Downpipes Collector Box Upgrade Fits: Yamaha FJ1100/FJ1200 all models. - Made from 304 grade brushed stainless steel this is the toughest replacement available. - Improved over the original heavy mild steel design, no re-jetting required. - Identical dimensions where it connects with your silencers. - Included free complete set of 10 gaskets 4 engine port flanges and 4 collector clamps, RRP £49.95 - Collector Box Frequently asked questions. - My original has heat shields on the sides, why don't yours have them? The original actually has chrome covers, these are to conceal the original mild steel collector when it corrodes, they do not actually shield heat from anything. - My original is a box design, why .
