• Milltek Non-Resonated Cat-Back | Audi B9 S5 Sportback - Cerakote Black Tips

Milltek Non-Resonated Cat-Back | Audi B9 S5 Sportback - Cerakote Black Tips

$3,507.46
$3,507.46
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Non-resonated cat-back exhaust system for Audi B9 S5 Sportback with factory sports differential and brace bars. Direct bolt-on replacement using OEM hangers; no modification required. T304L stainless steel mandrel-bent construction with hand-finished quad Cerakote Black tips (4" GT-100 round) or polished stainless options.

Engineered for full-throttle character and maximum sound output on closed-course and track use. 2.5" pipe diameter optimized for the B9 platform. Dyno-proven performance gains with engineered tone tuned to the S5's V6 powerband. EC certified construction meets type-approval standards for European markets.

  • T304L stainless steel, mandrel-bent throughout
  • Hand-finished quad Cerakote Black tips (or polished stainless available)
  • OEM+ direct fitment for B9 S5 Sportback Sport Diff models
  • Non-resonated design for maximum acoustic character
  • Dyno-tested for measurable power delivery

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

Milltek Non-Resonated Cat-Back | Audi B9 S5 Sportback - Cerakote Black Tips

$3,507.46

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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.