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This Remark R1-Spec single-exit cat-back replaces the Subaru WRX exhaust with mandrel-bent stainless-steel piping and a straight-through rear muffler. The muffler and tip construction is stainless steel. A midpipe resonator helps reduce overall exhaust volume.
Fitment
| Years | Make | Model |
|---|---|---|
| 2022-2026 | Subaru | WRX |
Remark lists this application as 2022 and newer. This is a complete cat-back system for the current WRX application, not the earlier WRX STI.
Specifications
| Manufacturer Part Number | RK-C1076S-03C |
|---|---|
| Assembly | Two-piece cat-back |
| Layout | Single-Exit |
| Pipe Diameter | 3 inches |
| Midpipe Material | T304 stainless steel |
| Muffler Material | T304 stainless steel |
| Tip Material | T304 stainless steel |
| Tip Diameter | 4.5 inches |
| Tip Finish | Polished stainless steel |
| Midpipe Version | Resonated |
| Welding | TIG |
What's Included
Complete single-exit R1-Spec cat-back with stainless-steel midpipe and t304 stainless steel muffler and tip. Includes the resonated midpipe configuration.
Brand Information
Remark offers R1-Spec systems with different exit layouts, muffler materials and resonator choices. These are complete exhaust configurations, not interchangeable appearance options for a single rear section.
Related Parts
- Alternative R1 configuration: RK-C1076S-03T
- Alternative R1 configuration: RK-C1076S-03
- Shop Remark exhaust systems
- Compare same-vehicle option: Remark R1 Dual-Exit Cat-Back for 2022-2026 Subaru WRX - Resonated Stainless
The linked systems are alternative complete configurations.
Frequently Asked Questions
What does the resonated version change?
It adds a resonator in the midpipe to reduce overall exhaust volume. Sound also depends on the vehicle's other modifications.
Does the titanium option include titanium piping?
No. The single-exit titanium option changes the rear muffler and tip. The midpipe remains T304 stainless steel.
Installation Instructions
Follow Remark's current installation instructions for RK-C1076S-03C. Verify the vehicle application, install the complete cat-back configuration and check exhaust alignment, clearance and connections.
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