APR CBK0009 Catback Quad Tip Non-Resonated Valved Exhaust for Audi C7 S6 and S7
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The APR CBK0009 Exhaust is a satin finished T-304 stainless steel, CNC mandrel bent, cat-back system. The APR exhaust begins after the downpipe with dual 2.75" piping, and continues back and splits to quad 2.5" piping just before the rear valved mufflers and into the quad polished stainless steel slash cut 4" exhaust tips with the APR Tuned logo. The APR exhaust improves power and response and gives a deeper more aggressive sound. The valves on the rear muffler are controlled by the ECU to open or close as needed depending on vehicle operation.
The APR exhaust stands above the rest in several ways. The splitters from dual 2.75" to quad 2.5" are cast stainless to allow a super smooth transition with no flow disturbance. The valves are also enclosed in stainless housings and attach to the OEM actuators to retain functionality. The APR catback also includes a beautifully machined low profile center brace to increase ground clearance as well as improve chassis rigidity. The exhaust tips can be easily upgraded from the standard polished single wall stainless to change the style, size and finish of the tips if desired.
APR CBK0009 Exhaust Vehicle Fitment:
Tubing Diameter: 2.75" / 2.5"
Tips: quad 4" round
APR CBK0009 Cat Back Manufacturing: APR exhausts are fully fabricated from T-304 stainless steel to prevent corrosion and ensure a long life. CNC mandrel bends are used to maximize flow and performance. TIG welding and CNC'ed hangers ensure a perfect fit. Ultra-smooth cast stainless 2.75" to quad 2.5" splitters ensures no restriction in the transition to the dual mufflers.
APR CBK0009 Catback Install: Installation of APR catback exhausts typically takes about 3 hours. Basic hand tools are necessary for installation, no cutting or welding is required. Please observe all safety precautions and follow proper installation guidelines while working on your vehicle.
APR exhausts are warranted to be free from defects in the materials and workmanship prior to installation. This warranty does not cover labor, misuse, faulty installation, failure of related parts or parts purchased other than from APR, LLC. This warranty extends to the original purchaser for as long as they own the vehicle and the exhaust.