Milltek Sport Resonated Cat-Back Exhaust System - Audi S8 (2013-2018)

Overview

Resonated cat-back exhaust system for Audi S8 (2013-2018) manufactured from T304L stainless steel with polished exhaust tips. Features 70mm (2.76") diameter pipes, requires no cutting, and is EC Approved and TUV tested. Installation takes 3-4 hours. Optimizes exhaust flow for improved performance while reducing emissions and noise.

Installation summary

This exhaust upgrade requires medium install difficulty, meaning advanced DIY enthusiasts with automotive mechanical experience or professional mechanics can successfully complete the job within an estimated 3.5 hours. Preparation involves allowing the factory exhaust to cool completely before starting, carefully handling any downstream O2 sensors, and laying out the T304L stainless steel components to verify fitment of the 70mm diameter pipes. The most critical factor to watch out for during assembly is ensuring precise heat shield clearance throughout the undercarriage and allowing the exhaust tips to cool fully before applying final torque specifications to the clamps.

AI-generated overview — always verify against the official install instructions.