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• Can be used with the STM Sealed Catch Can (with -10AN Bung)
• 3” diameter at its smallest point
• This insert will require the removal of the factory rubber bushing with a hydraulic press
304 stainless steel is used throughout the exhaust construction
STM Mid Pipes for Audi RS3/TTRS Lowering Springs • Can be used withThe STM Stainless Steel Mid Pipes for Audi RS3 TTRS bolts directly in place of your restrictive, secondary pipes and weigh 50% less than factory. Opens up exhaust sound and flow. Beautifully crafted in the USA, the STM Mid Pipes feature mandrel bent tube and tig welded flanges. All new mounting hardware is included along with two Remflex graphite gaskets for a leak free install. Vehicle Fitment: 2017 2025 Audi RS3 8V 8Y 2018 2022 Audi TTRS Features:
