Description
APR CBK0037 – Catback Exhaust System – RS4 / RS5 (B9)
APR Catback Exhaust System – RS4 / RS5 (B9)
Fits Audi RS4 18-25, RS5 18-25
Designed for enthusiasts seeking the perfect balance of power, sound, style, and quality, the APR Catback Exhaust System for the Audi B9 RS4 and RS5 is a testament to engineering excellence. With its performance-driven design and durable construction, this system not only transforms your driving experience but also ensures years of reliable performance.
- Complete catalyst-back system including downpipes, extending from the factory catalyst back.
- Performance gains of 9 HP and 15 FT-LBS of torque delivered to all four wheels.
- 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.
- 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.
- Includes an upgraded tunnel brace to accommodate the larger piping.
- Integrated Helmholtz resonator minimizes drone and enhances sound quality.
- Valve-controlled rear mufflers dynamically adjust sound based on driving style.
- Dual 7.25”x5” RS-style diamond black oval tips with APR logo.
- Smooth transitions and straight-through components maximize performance by reducing restrictions.
- Strikes the perfect balance of power, sound, style, and quality for enthusiasts.
- Fully emissions compliant for worry-free operation.
Brackets: PreciseBrand: APRCategory: ExhaustClamping Type: Slip ClampClamps Included: YesEmission Code: 5Exhaust Tip Color: BlackExhaust Tip Diameter: 7.25x5Exhaust Tip Quantity: 2Finish: BrushedGrade Type: PerformanceHangers Included: YesMain Piping Diameter: 2.75Main Piping Diameter: 3.00Main Piping Diameter: 3.50Material: T304 Stainless SteelMuffler Finish: BrushedMuffler Quantity: 2Muffler Type: Sound AbsorptionMuffler Type: HelmholtzPipe Bend Type: MandrelPipe Material: T304 Stainless SteelProduct Type: Exhausts (Catback Systems)Sub Category: Exhaust and Tail PipesSystem Type: CatbackTail Pipe Outlet Outside Diameter: 2.5Tip Style: RS-Style OvalTube Connection: Butt JointValve Included: YesValve Type: OEMWarning: California Proposition 65Welding: TIG
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