The Milltek valved Cat/OPF back exhaust system is designed as a direct replacement for the factory system, offering improved exhaust tone and refined aesthetics. The integration of valved outlets and an active centre section ensures dynamic control over exhaust acoustics while maintaining everyday usability. Manufactured from premium 304L aircraft-grade stainless steel, this system guarantees maximum durability and resistance to harsh environmental conditions. With a 3.15" pipe diameter, the system delivers enhanced flow and performance. The rear downturns are engineered to align with the OE rear bumper for seamless visual integration. Specifications - Pipe Diameter: 3.15 inches - Material: 304L Aircraft-Grade Stainless Steel - Configuration: Valved Cat/OPF Back with downturn outlets - Configurable sound levels with valved outlets and active centre - Downturn tips designed to integrate with OE rear bumper Kit Contents - MSRR103: LH Front Connecting Pipe - MSRR104: RH Front Connecting Pipe - MSRR119: LH Axle Pipe - MSRR120: RH Axle Pipe - MSRR127: Rear Silencer - MSRR132: SV Active Centre - MSRR135: SV Valved Outlets - MSRR137: LWB Extension Pipes - MSRR138: LH Inner Downturn - MSRR139: RH Inner Downturn - MSRR140: LH Outer Downturn - MSRR141: RH Outer Downturn - MSWL006: 3-Pin Long Y Loom for Active Centre