The Takeda cat-back exhaust system produced 12 horsepower and 9 lbs. x ft. of torque. This unique dual transverse exhaust system is constructed from 2.50" mandrel bent stainless steel and is TIG-welded. This system was designed and engineered by tuning the perfect tube lengths, ultimately maximizing performance across the power band while maintaining a great tone. Countless hours of R&D was used to ensure the perfect decibel level without compromising performance and ZERO DRONE. Furthermore, aFe carefully engineered this system to maintain Infiniti's distinct exhaust tone. To finish off this exhaust are two 4.75" oval double wall 304 polished stainless steel tips. This exhaust uses all factory hanger locations for a hassle free installation. No modifications necessary.