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4.5 (123)

IE ProCore Downpipe For Audi B9 S4 & S5

Name: Integrated Engineering IE ProCore Downpipe For Audi B9 S4 & S5 - IE ProCore Downpipe For Audi B9 S4 & S5
Brand: Integrated Engineering
SKU: 41543271350411
Price: 2874.99 USD
Availability: InStock
Rating: 5 (3 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$2,874.99

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Color

Black

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Description

The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels substantial flow to support upgraded engine tunes and larger turboc...

Reviews

5.0

4 ratings

Love this downpipe!

Outstanding premium product. Noticeable performance gains, incredible exhaust note, and excellent fit and finish. Pops and bangs sound amazing. Big kudos to the IE team and their top-notch customer service.

William · December 14, 2025

Really nice!

No smell, no CEL, no issues. It is well made and certainly makes the car a bit louder. No noticeable performance or mileage increase on stage 1 93. We'll see how well it works in a stage 3 role soon... Some of the downpipe bolts are annoying, but not impossible.

John · June 7, 2024