Improve your engine output and substantially reduce weight with the Triumph Arrow Slip-On Silencers (A9600559) developed in conjunction with Arrow® special parts. This stainless steel half system features a pair of lightweight titanium wrapped silencers, carbon fiber end caps, integral mounting brackets for a clean look, and removable db killers. It offers a huge 3.7 lbs reduction in weight and a performance increase of up to 3HP (with db killers removed). This is the ultimate Speed Triple exhaust option, complete with factory engine tune to ensure optimum performance. This part meets CARB and EPA emissions limits. Does not void the factory warranty. This item fits Speed Triple and Speed Triple R models from VIN 461332 and up.