WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The APR Catback Exhaust System (CBK0009) is the ultimate sound and performance upgrade for the Audi C7/C7.5 S6 and S7. This meticulously hand-crafted system is constructed from premium T304 stainless steel and features argon-back-purged TIG welding for exceptional strength and finish. Designed to replace the restrictive factory exhaust, this system utilizes dual 2.75" mandrel-bent tubing that flows into ultra-smooth cast splitters, delivering a deep, aggressive V8 growl while maintaining the refinement expected of a luxury sport sedan.
One of the key engineering highlights is the cast valve housings, which allow for the direct transfer of your factory electronic valve actuators. This ensures you retain full "Audi Drive Select" functionality, keeping the car quiet during daily commutes and loud when you want to hear the 4.0T engine sing. The system is finished with removable 4" polished slash-cut tips, providing a motorsport-inspired aesthetic that fills the rear valance perfectly.
Features:
- Premium T304 Construction: Full stainless steel build with brushed-finished tubing and sound-absorption mufflers.
- OEM Valve Integration: Includes cast valve housings to maintain factory-controlled exhaust volume via the car's drive modes.
- Ultra-Smooth Flow: Features cast 2.75" to dual 2.5" splitters and straight-through mufflers to minimize backpressure.
- Custom Tunnel Brace: Includes a CNC-bent, laser-cut tunnel brace to provide necessary clearance and added chassis rigidity.
- 4" Polished Tips: Massive slash-cut tips are removable and upgradable, offering a classy yet aggressive look.
- Low-Profile Fit: Specifically engineered to avoid scraping, making it an ideal choice for lowered vehicles.
- Direct Bolt-On: Precision mounting brackets and Torca AccuSeal clamps ensure a perfect, leak-free installation.
Product Contains:
- (1) Dual 2.75" Mandrel-Bent Midpipe Section
- (1) Rear Muffler Section with Cast Valve Housings
- (4) 4" Polished Slash-Cut Tips
- (1) Laser-Cut Chassis Tunnel Brace
- (1) Complete Set of T304 Stainless Steel Clamps and Hardware
Facelift Model Note: For 2016+ (C7.5) vehicles, the factory valve actuators are located further back. You must use the APR Valve Extension Harness (RS100004) to complete the installation.
Warranty: This product is supported by APR’s Limited Lifetime Warranty.
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