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Upgrade your motorcycle with high-quality construction using lightweight materials, offering increased performance. The Akrapovic Optional 4-2-1 Stainless Racing Header Set features precision-engineered stainless steel for enhanced power, superior design, and the signature Akrapovic sound. Here are the standout features and benefits of the Akrapovic Optional 4-2-1 Stainless Racing Header Set: Stainless Steel Construction: Crafted from the finest stainless steel, providing excellent durability and resistance to corrosion, ensuring your header set lasts for years. Optimised Performance: Designed to enhance throttle response and overall efficiency, resulting in noticeable improvements in power and riding experience. Compatibility: Easily fits with both standard Akrapovic silencers and Akrapovic Slip-On exhaust systems, allowing for versatile installation and seamless integration. Unique Sound: Produces the distinct Akrapovic exhaust note, adding a unique acoustic element that enhances your motorcycle's presence and appeal. Mandatory ECU Remapping: Ensures perfect performance and durability by requiring ECU remapping, guaranteeing all components work harmoniously for optimal results. When you're seeking a high-quality header set for your motorcycle, the Akrapovic Optional 4-2-1 Stainless Racing Header Set stands out for its superior construction and performance benefits. Whether you are looking to enhance throttle response or improve overall power, these headers deliver a noticeable boost. The stainless steel construction ensures durability and longevity, while the unique Akrapovic sound adds a distinctive touch to your ride. Experience increased performance and enhanced riding experience with the Akrapovic Optional 4-2-1 Stainless Racing Header Set. Invest in a product that combines advanced engineering with top-notch materials for a truly remarkable upgrade. Specs:Max HP gain: +12.2hp (9kW) @ 8,000 rpm. Max torque gain: +11.7 Nm (8.6 lb/ft) @ 7,750 rpm. Weight: -5.3 kg (11.7 lbs) or -59.6% lighter than stock. PLEASE BE AWARE: Sports cats can NOT legally be installed on a vehicle for use on a public road that was manufactured after 1st March 2001 unless type ECE 103R approved (Identified by '103R' in the exhaust product title). Fitting a De Cat/Cat Bypass or GPF delete/bypass to a vehicle that is to be used on UK roads will cause the vehicle to fail the MOT emissions test, therefore rendering it unroadworthy and illegal to be used on the road. Not for Road Use






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