APR's cat-back exhaust for the RS3 (8Y) is built from T304 stainless steel with dual 63.5mm mandrel-bent brushed tubing and TIG welding throughout. Cast valve housings accept the factory electronic valve actuators to retain OEM valve operation and variable sound levels, while straight-through brushed sound-absorption mufflers deepen the note without rasp or added restriction. Quad 63.5mm outlets route out through the factory RS bumper-integrated exhaust tips. The low-profile system mounts with OEM-style slip clamps for a plug-and-play install.
Specifications
| Type | Cat-back exhaust system, valved |
| Material | T304 stainless steel |
| Finish | Brushed; exits through factory RS bumper tips |
| Quantity | 1 |
| Part Number | CBK0053 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022-2026 | Audi | RS3 | Base |
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