Motorbike exhaust muffler clamps butt joint Description. Features: Excellent 360 degree clamping and sealing. Hose bore: 3.3" (85 mm), universal fit for most motorbikes, motocross, off-road, dirt bikes, ATVs, 4x4s and many more exhaust mufflers Material: Made from high quality, corrosion resistant heavy duty stainless steel. Made from carbon fibre inner band for better retention. Use: For sealing muffler inlets, outlets, elbow joints and pipes. Specification. Material: stainless steel Colour: Silver,Black Internal dimensions (L x W): approx. 110 x 85 mm / 4.33 x 3.34 in. Overall length: approx. 154 mm/6.06 in Mounting screws (L): approx. 46 mm / 1.81 in Package includes. 1 set of jig motorbike exhaust pipes