UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Big Bore Exhaust Downpipes Upgraded Collector Fits: Yamaha XJR 1200 1995 - 1998 all models / XJR 1300 SP 1998-2007 all models Down Pipes - Ugraded XJR down pipes, internal 40mm bore, increases throttle response and power delivery. Bikes on standard settings require no modifications. (OEM downpipes are double skinned with a greatly reduced internal bore, our upgraded downpipes allow a far more efficient gas flow) - Reduces to 35mm to fit your original collector/gasket. - Upgraded stainless steel flanges included free, fixes the downpipes to your engine for a show room finish. - Pipes are numbered 1-2-3-4 in the same firing order as the originals, number 1 will be by the left knee, 2,3 then 4 by your right knee as you sit on the bike.
