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APR Audi 18-25 RS5 (B9) Catback Exhaust System

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$1,559.95
$1,559.95 $2,924.95
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The APR Catback Exhaust System for the Audi B9 RS4 and RS5 is a complete, high-performance exhaust solution that runs the entire length of the vehicle from the catalyst back. This system is engineered to boost performance, elevate sound, and enhance aesthetics with RS-style diamond black oval exhaust tips that are sure to make a statement. Crafted from premium materials and built with advanced manufacturing techniques, this system is designed to withstand harsh conditions and deliver lasting performance. Expect a bold, aggressive growl at wide-open throttle, along with an impressive gain of 9 horsepower and 15 FT-LBS of torque to all four wheels!

  • Smooth transitions and straight-through components maximize performance by reducing restrictions.
  • Complete catalyst-back system including downpipes, extending from the factory catalyst back.
  • Mandrel-bent brushed piping paired with electropolished cast splitters for a refined finish.
  • Precision brackets and slip clamps ensure accurate alignment and hassle-free installation.
  • Premium T304 stainless steel construction with TIG welding for strength and durability.
  • Optimized flow through dual 2.75” downpipes, 3.5” midpipe, and quad 2.5” exits.
  • Strikes the perfect balance of power, sound, style, and quality for enthusiasts.
  • Performance gains of 9 HP and 15 FT-LBS of torque delivered to all four wheels.
  • Valve-controlled rear mufflers dynamically adjust sound based on driving style.
  • Integrated Helmholtz resonator minimizes drone and enhances sound quality.
  • Includes an upgraded tunnel brace to accommodate the larger piping.
  • Dual 7.25”x5” RS-style diamond black oval tips with APR logo.
  • Fully emissions compliant for worry-free operation.

This Part Fits:

Year Make Model Submodel
2018-2019,2021-2024 Audi RS5 Base
2019,2021-2025 Audi RS5 Sportback Base
APR Audi 18-25 RS5 (B9) Catback Exhaust System

$1,559.95

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

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    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.