Fits: Yamaha 
UK models:
YZF600 Thundercat 1996 - 2005
FZR600 4JH Foxeye 1994 - 1996
USA Models:-
YZF600R 1996 - 2007
YZF600 Foxeye 1995 - 1996

• Designed to fit the OEM headers and our own Black Widow De Cat headers.

• Replaces the heavy OEM muffler/silencer. Baffle / DB killer is removable.

• Louder with improved gas flow.

• No modifications required. (Re-mapping, Power commander)

• Silencer mounting strap and clamps included.

• Link pipe Material : 304 grade polished stainless steel.

• Silencer Material : 304 Grade Polished Stainless Steel + 3K Weave Carbon Fibre Tip

• Body Length excluding tips = 200mm

• Silencer Code: 200ST

• See our Silencer Specifications Tab for length & noise levels.

• Two year Black Widow warranty.

• Winning with Black Widow.

• 2016 Straight Line Racing Champion Stuart Grant (12:10 Class) used a complete Black Widow system on his class winning FZR600 (Same engine and exhaust as the YZF600 Thundercat). Improving his 1/4 mile time by over a second to 12.47 seconds 

2016 Champion Stuart said.

"Many thanks for your help and for the full system absolutely over the moon and taking a second off my previous times with an increase of top end power
Kind regards
Stuart Grant"