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IE Performance Cast Downpipe
Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ
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IE Cat-Back Exhaust System - B9/B9.5 S4
Delivers a truly aggressive exhaust note without any annoying drone or rasp
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IE Midpipe Exhaust Upgrade
Aggressive sound, quality finish, reliable operation, straightforward install, and affordable fun.
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IE ProCore Performance Cast Downpipe - B9 S4/S5
Check-Engine Light free! An emissions-friendly approach to exhaust upgrades!
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When it comes to unlocking the true potential of your Audi, Volkswagen, BMW, or other European performance vehicle, Integrated Engineering is your go-to brand for high-performance parts and upgrades. Available at ECS Tuning, Integrated Engineering offers a wide range of engine components, turbochargers, intake systems, exhaust systems, and performance software, all designed to deliver exceptional performance gains, reliability, and precision engineering. Whether you're looking to boost horsepower, improve throttle response, or enhance overall vehicle performance, Integrated Engineering has the perfect solution for your needs.