This non-resonated Remark cat-back replaces the Subaru WRX and WRX STI exhaust with a complete four-piece stainless-steel system. It combines dual rear mufflers with four large slant-cut tips for a more pronounced exhaust note and appearance.
Key Features
- Complete four-piece cat-back
- Two Remark rear mufflers
- Quad slant-cut tips
- T304 stainless-steel construction
- TIG welding
Fitment
| Years | Make | Model |
|---|---|---|
| 2015-2021 | Subaru | WRX |
| 2015-2021 | Subaru | WRX STI |
For the 2015-2021 generation. Remark specifies removal of the factory donut gasket and does not recommend aftermarket adapters because they may cause incorrect fitment.
Specifications
| Manufacturer Part Number | RK-C4076S-01 |
|---|---|
| Assembly | Four-piece cat-back |
| Piping | 3-inch center to 2.5-inch Y-piping |
| Pipe Material | T304 stainless steel |
| Muffler Material | T304 stainless steel |
| Mufflers | Two |
| Tip Material | T304 stainless steel |
| Tip Diameter | 4 inches |
| Tip Layout | Quad slant-cut |
| Tip Finish | Polished Stainless Steel |
| Midpipe | Non-resonated |
| Welding | TIG |
What's Included
Four-piece cat-back assembly with non-resonated piping, two rear mufflers and four polished stainless steel tips.
Brand Information
Remark offers this quad-tip cat-back in different tip finishes and midpipe configurations. This exact version has stainless-steel tips and no midpipe resonator.
Related Parts
- Alternative tip finish for the same quad-tip cat-back
- Shop Remark exhaust systems
- Compare same-vehicle option: Remark Resonated Quad-Tip Cat-Back for Subaru WRX / WRX STI Hatchback - Polished stainless steel
- Compare same-vehicle option: Remark R1-Spec Cat-Back for 2015-2021 Subaru WRX / WRX STI - Titanium Muffler
Frequently Asked Questions
Are the burnt tips titanium?
No. Remark specifies T304 stainless steel for the tips. Burnt is the finish, not the material.
Does this version include a resonator?
No. This exact part number is the non-resonated version. It still includes both rear mufflers.
Installation Instructions
Follow Remark's current instructions for RK-C4076S-01. Remove the factory donut gasket as directed. Do not add an aftermarket adapter without manufacturer confirmation. Check alignment and clearance after installing the complete system.
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