Exhaust Collector / Downpipes Fits: Honda CBR1000 RR Fireblade 2017-2019 models. - TIG-welded by hand: Smooth internals (reduced internal turbulence = improved gas flow) - Modern spring fit design: Fewer internal welds. - Weight:3 kg / 6.6 lbs - The silencer/muffler connection is the same position, diameter, and angle as the original. Accepts the original Honda Silencer/muffler and any that fits the original headers. - OEM O2 Lambda sensor compatible. Accepts the original O2 sensor. - Fitting instructions included. - 2-Year Black Widow Warranty.
