515 lift on the exhaust produce a solid power band

this allows rust to be properly loosened and removed

Fits: 36-47 Knucklehead 61 / 74" (1000 / 1200cc)

Replaces 43872-36

akrapovic 2 into 1 stainless headpipe for aprilia Fits:22-24 Tuareg 660 (E-A6R1) 515 lift on the exhaustAkrapovic 2 into 1 Stainless Headpipe for Aprilia The Akrapovic 2 into 1 Stainless Headpipe for Aprilia is designed for riders seeking peak performance and weight reduction. Crafted from high grade stainless steel with a larger tube diameter and no catalytic converter, this race focused upgrade is ideal for closed course circuits. With a weight reduction of 2. 9 kg (56. 8% lighter than stock), this headpipe boosts your bikes power by 4. 2 kW (5. 7 hp)