Description
Enhance performance and driving excitement in your Audi B8 A4, A5, or Q5 2.0T with the IE Catted High-Flow Downpipe. Engineered to deliver increased horsepower, improved turbo efficiency, and a deeper, motorsport-inspired exhaust tone, this upgrade is a must-have for drivers ready to reach Stage 2 or K04 power levels with a compatible ECU tune.
Crafted from mandrel-bent 304 stainless steel and hand TIG-welded for a perfect fit, the IE downpipe reduces backpressure and increases exhaust flow, unleashing up to 30 horsepower gains when paired with tuning.
Key Features:
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Gain up to +30 horsepower with Stage 2 ECU tune
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200 cell high-flow metal matrix catalytic converter
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Mandrel-bent 304 stainless steel piping
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TIG-welded for strength, durability, and precision fitment
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Direct bolt-on installation for B8 A4, A5, and Q5 2.0T models
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Improved turbo spool and aggressive exhaust tone
Street-Friendly Performance
This downpipe features a performance-oriented 200 cell catalytic converter that increases flow while maintaining emissions compatibility in most regions. It’s the perfect upgrade for drivers who want track-ready gains without compromising daily usability.
Built to Last
IE’s high-flow downpipe is built from premium T304 stainless steel for exceptional corrosion resistance and long-term durability. Every connection is hand TIG-welded for strength and reliability under high heat and performance driving conditions.
