Sport Rider Photos
Replacing the Hayabusa's exhaust (which incorporates a catalyzer) with this Two Brothers Racing stainless steel header and titanium silencer ($740.00) saved almost 19 pounds! The stock pipe is a 4-into-2-into-1-into-2 design which-although adding weight-has less back pressure for a given noise level than a single can.
Big Dogs: Uncorking the 'Busa and ZX-12