Fitted my Beowolf silencer today. I went for the titanium one for £270. All stainless internals, never needs repacking. Lifetime guarantee.
Stock silencer weighed 5.8Kg (12.8lbs), Beowolf silencer, link pipe and all brackets weighed 2.3Kg (just over 5lbs). Weight saved 3.5Kg (7.7lbs).
Sound is...