4-1 Systems

Black Widow Exhausts Ltd, www.blackwidowexhausts.co.uk, manufacturers of motorcycle silencers, gaskets, mufflers, endcans, linkpipes, downpipes, collector, manifold, headers header pipes. front pipes and complete exhaust systems for Honda CBR125, CBR400, NC23, NC29, CB500, CBF500, XBR500, CB600 HORNET, CBR600, NT650, NTV650, VFR750, VFR800, VFR800 V-TECH, CBR900, CBR1000F, VTR10000F FIRESTORM, CBR1100 BLACKBIRD, ST1100 PAN EUROPEAN, GL1500 GOLDWING Kawasaki ZXR400, EN500, ER500, GPZ500, ZZR400, KLE 500, ZX6R F, ZX6R G, ZX6R J, ZX6R 2005-2006 DE-CAT, ZX6R 2007-2008 DE-CAT, ZX6R 2009-2010 DE-CAT,ZZR600D, ER6 VERSYS, KLE 650, ZZR600E, GPX750, ZR 750 ZEPHYR, ZXR750 H1, ZXR750 H2, ZXR750 J,  ZXR750 L, ZXR750 M, ZX7R,ZX9R B, ZX10R, GPZ1100 1995-1999,  ZR1100 ZEPHYR, ZRX1100, ZZR1100, ZZR1200, ZRX1200 Suzuki GSXR400 GK76, GS500E, GSF600 BANDIT, GSXF600 1988-1997, GSXF750 1988-1997, GSX600F , GSF650, GSXF750 1998-2007, GSXR600, GSXR 750 J,K, GSXR 750 L,M, GSXR750 WN-WS, GSXR750SRAD, GSXR600/750 K8,K9 LO,GSX750W,GSXR750 J-K, GSXR750 L-M, GSXR1000, GSX1100F, GSXR1100 K,L,M, GSXR1100W, GSF1200, GSF1250, GSX1300R HAYABUSA, GSX1400 Yamaha FZR400, XV535 VIRAGO, FZR600, FZS600 FAZER, YZF600 THUNDERCAT, YZF600 R6 2006-2013 DE-CAT, XJ600S,N, FZ750 GENESIS, FZX 750 FAZER, YZF750, XV700, XV750 VIRAGO,TDM850, TDM900, XJ900 S DIVERSION, FZS1000 FAZER, XV1100, FZ1, YZF1000R THUNDERACE, R1, FZR 1000 GENESIS, FZR1000 DE EXUP, FZS1000, FZ1, FJ1100, FJ1200, VMAX 1200, XJR1200/1300, XV1000, XV1100 VIRAGO. BMW R1150GS, R1200GS Hyosung GT125R Comet, Krümmer Auspuff Exhaust Edelstahl ohne Kat, Auspuff Sammler Kollektor, COLLECTEUR ECHAPPEMENT + SILENCIEUX De Cat Eliminator Eliminater