• Milltek Resonated Cat-Back Exhaust | Audi B9 S5 Coupe - Cerakote Black Tips
  • Milltek Resonated Cat-Back Exhaust | Audi B9 S5 Coupe - Cerakote Black Tips

Milltek Resonated Cat-Back Exhaust | Audi B9 S5 Coupe - Cerakote Black Tips

$4,236.13
$4,236.13
Shipping calculated at checkout.
  • Fully secure checkout
  • Trusted by thousands
  • Rated and reviewed

Question about this product?

We're happy to help.

Milltek Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models). Direct factory fitment replacement using OEM hangers-no modification required.

Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) diameter piping. Resonated design engineered to fine-tune OE resonance points, delivering a refined yet engaging exhaust character without excessive drone. Quad gloss black oval tailpipes provide aggressive aesthetics while maintaining premium fit and finish.

Construction & Fitment

  • Mandrel-bent T304L stainless steel throughout
  • 2.50" (63.50mm) pipe diameter for optimized exhaust flow
  • Resonated chamber engineered for OE+ sound profile
  • Quad outlet configuration with gloss black oval trim finishes
  • Direct fitment-uses original Audi mounting points and hangers
  • Non-Sport Differential models only

Engineered to Exhilarate. In-house development and testing ensure dyno-proven results and sound character tuning that respects both performance and refinement.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Milltek Resonated Cat-Back Exhaust | Audi B9 S5 Coupe - Cerakote Black Tips

$4,236.13

  • Fast shipping

    Ordered a product and it arrived the next day. Super impressed with the speed and the careful packaging.

    Jordan Smith
    Seattle, Washington

  • Excellent service

    Customer support was helpful; they resolved my issue in minutes. Really appreciated the follow-up email to ensure satisfaction.

    Taylor Christos
    Austin, Texas

  • Great selection

    Wide variety of products across the range. Found everything I needed in one place, very convenient.

    Alex Williams
    London, England

  • Top quality

    The product I bought exceeded my expectations. Top-notch quality, thoughtful design, and it came beautifully packaged.

    Sam Davis
    San Francisco, California

  • Reliable store

    Have ordered multiple times, always received exactly what was described. Products are genuine and fully functional.

    Casey Brown
    Denver, Colorado

  • User-friendly website

    Easy to navigate and make purchases. A hassle-free shopping experience with clear descriptions and transparent pricing.

    Riley Wilson
    Boston, Massachusetts

  • Smooth checkout

    Checkout was quick and straightforward. My order confirmation came through instantly, and everything arrived exactly as expected.

    Morgan Lee
    Portland, Oregon

  • Great value

    Really pleased with the quality for the price. The product felt premium, worked perfectly out of the box, and was well packaged.

    Jamie Carter
    Manchester, England

Can I return a part after it has been installed?

Generally, installed or used performance parts cannot be returned. We strongly recommend verifying vehicle fitment and inspecting the product before installation.

Can I cancel my order after it has been placed?

We begin processing orders as quickly as possible. If you need to cancel, contact us immediately. Once an order has entered fulfillment, been submitted to a supplier, or shipped, cancellation may no longer be possible.

Will this part fit my vehicle?

Fitment varies by year, make, model, trim, engine, and drivetrain. Use our vehicle fitment information to confirm compatibility. If you're unsure, contact us with your VIN and we'll help verify fitment before you order.

How do I know if this is the right upgrade for my build?

Not every upgrade makes sense for every vehicle or build. Tell us your vehicle, current modifications, and performance goals, and we'll help determine whether this product is a good fit.

Are the products you sell authentic?

Yes. We source products through established manufacturers and authorized distribution channels. We do not sell counterfeit or imitation performance parts.

Is professional installation recommended?

For most performance components, yes. Proper installation is critical for fitment, reliability, and performance. Some products may also require specialized tools, programming, tuning, or additional supporting modifications.