Integrated Engineering

IE Cat-Back Exhaust For Audi B9/B9.5 S4

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• Sku: IEEXCK5
• Available: Instock
• Collections: Audi, Exhaust, Integrated Engineering, Performance
• Type: Cat-Back Exhaust

Description

Give the B9 S4 a deeper performance sound without constant cabin drone using IE's dual-path cat-back with purpose-built DroneTrap resonators.

Key features

• Dual 2.5-inch stainless-steel construction
• DroneTrap resonators target cruising frequencies
• 90 mm exhaust tips
• Complete bolt-on system

Fitment

2017–2024 Audi B9/B9.5 S4 3.0T.

Important: Confirm current state and local exhaust and emissions requirements before ordering.

Sold and supported by Autobahn Supply Co. Contact us before ordering if you need help confirming fitment, supporting hardware, installation, or software requirements.

Fitment & Compatibility

Vehicle specifications, model years, trims, and modifications can affect compatibility. Please review all fitment information carefully before purchasing. If you're unsure whether this product is suitable for your vehicle, contact our team and we'll be happy to assist.

Shipping & Returns

We work with trusted manufacturers and suppliers to ensure your order arrives safely and efficiently. Shipping times may vary depending on stock availability and destination. For complete information regarding returns, exchanges, and eligibility, please review our Returns Policy or contact us.

Pairs well with