MilltekSecondary Catalyst BypassFitment: Audi RS3 8V Dual Catalyst Systems

Overview

The Milltek Cat Back Secondary Catalyst Bypass removes the secondary catalyst from dual-pipe exhaust assemblies, improving gas flow and reducing restriction. Direct bolt-on fitment uses OEM hangers—no modifications required.

Hand-finished T304L stainless steel construction. Compatible with both OE and Milltek cat-back systems. Not required on turbo-back systems. Designed for vehicles with secondary catalyst architectures common to VAG platforms.

Details

• Fits OE cat-back exhaust systems
• Fits Milltek cat-back exhaust systems
• T304L stainless steel, mandrel-bent construction
• OEM+ fitment, uses factory hangers
• Engineered to eliminate secondary cat restriction

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

See all Audi RS3 8V exhausts and Audi RS3 8Y exhausts from Milltek.

Fitment