Catted Stainless Exhaust Downpipe for Audi S4 S5 B9 3.0T
Catted Stainless Exhaust Downpipe for Audi S4 S5 B9 3.0T
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Upgrade exhaust flow, throttle response, and sound on your Audi S4 or S5 B9 3.0T with the STRATEC Catted Stainless Exhaust Downpipe. Designed to reduce backpressure while retaining drivability, this downpipe delivers improved performance and a deeper, more aggressive exhaust tone compared to the factory unit.
Constructed from high-quality stainless steel, the downpipe features a high-flow catalytic converter, offering a balanced upgrade for enthusiasts seeking stronger performance without excessive harshness.
Key Features
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Fits Audi S4 & S5 B9 3.0T
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High-flow catted downpipe design
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Stainless steel construction for durability and heat resistance
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Reduces backpressure and improves exhaust flow
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Enhances turbo response, horsepower, and torque
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Produces a deeper, sportier exhaust tone
Notes
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Professional installation recommended
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ECU tuning may be required for optimal performance
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Designed for performance-focused applications
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