Constructed from high-grade austenitic stainless steel, each link pipe contains a 200 cpsi catalytic converter and the set weighs over 43% less than the stock equivalent. A tuned resonator – specially developed for the engine – provides a unique deep, rich, and sporty sound with no drone. Designed for use with the Akrapovič Slip-On Line (Titanium) exhaust system and for use on racetracks and closed courses only, remapping is mandatory when installing this product.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.