Invidia (HS13LISMIP) RWD Dual Resonator Mid-Pipe (Cat deleted) for Lexus IS250/IS350 Fits 2013-Up Lexus IS250/350 RWD Pipe size: 60mm (2.4") Constructed with high-quality SUS stainless steel, polished finish Improves horsepower and torque Increased sound over stock system