Milltek Large Bore Downpipe For Audi SQ5 3.0T

Fits with OE & Milltek Sport Cat Back System, Stage 2 ECU Remap Required

The Milltek Cat Back Large Bore Downpipe with Hi-Flow Sports Cat is a precision-engineered turbo-back component designed to optimize exhaust flow and reduce backpressure across a wide range of performance vehicles. This system pairs a 6.0" mandrel-bent T304L stainless steel downpipe with a high-flow catalytic converter (200 CPSI) to deliver measurable horsepower and torque gains while maintaining emissions compliance.

Constructed from T304L stainless steel with mandrel-bent tubing for smooth, unrestricted flow, this downpipe features a direct-fit design compatible with both OEM and Milltek cat-back exhaust systems. The hi-flow sports catalyst maintains environmental standards while maximizing scavenging efficiency, ideal for Stage 2+ ECU tuning. No modifications required for factory hanger fitment.

Technical Specifications:

• Material: T304L stainless steel, hand-finished
• Pipe Diameter: 6.0" (152.4mm) mandrel-bent
• Catalyst: 200 CPSI hi-flow sports cat
• Fitment: Compatible with OEM and Milltek cat-back systems
• Installation: Direct factory fitment, Stage 2 ECU software recommended