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

APR
APRCBK0037
Catback
$2,925.74 $1,560.37

63 Units In Stock and Available for Purchase

Inventory may change and will be confirmed once your order has been processed.

This item ships as early as the same or next business day. Please allow up to 7–10 business days for processing in some cases.

Lead times are estimated and subject to change.

$1,560.37
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APR Audi 18-25 RS5 (B9) Catback Exhaust System
Description

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
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