Link pipe set w/o Cat (SS) was tested and developed together with Slip-On Line (Titanium) system MTP-FE488HDesigned to offer the ultimate in sound performance and sportiness. The sound is close to that of the 458 Italia and delivers a tone similar to a normally aspirated V8 engine from a turbo power plant. It is constructed with larger-diameter straight tubes, designed to reduce backpressure to a minimum and ensure that the highest engine tuning potential for optimal power increase is achieved. When fitting the optional link pipe set without catalytic converters, remapping the cars ECU is necessary.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.