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The Remark Ti-Spec cat-back gives the Toyota GR Corolla a titanium exhaust system with a resonated midpipe, rear muffler and quad-tip layout. Its integrated exhaust valve works with the original Toyota valve motor to retain the factory valve function.
Key Features
- Grade 2 titanium piping and muffler construction
- Mandrel-bent exhaust tubing
- Straight-through midpipe resonator
- Integrated valve operated by the factory valve motor
- Two-piece bolt-on cat-back design
Fitment
| Years | Make | Model |
|---|---|---|
| 2023-2026 | Toyota | GR Corolla |
For the GR Corolla, not the standard Corolla sedan or hatchback. Remark lists this application as 2023 and newer.
Specifications
| Manufacturer Part Number | RK-C4076T-05T |
|---|---|
| Product Line | Ti-Spec |
| System Type | Two-piece cat-back |
| Pipe Diameter | 3 inches |
| Pipe Material | Grade 2 titanium |
| Muffler Material | Grade 2 titanium |
| Sound-Control Components | One rear muffler and one midpipe resonator |
| Tip Layout | Four 4-inch tips |
| Welding | TIG |
| Exhaust Valve | Integrated valve uses the original Toyota valve motor |
What's Included
Two-piece Ti-Spec cat-back assembly with resonated midpipe, rear muffler, quad tips and integrated exhaust valve. Reuse the factory donut gasket and spring bolts at the original exhaust connection, along with the factory valve motor.
Brand Information
Ti-Spec is Remark's titanium cat-back offering for the GR Corolla. It is distinct from the stainless-steel Elite Spec systems available for the same vehicle.
Related Parts
- Alternative: Remark stainless-steel quad-tip GR Corolla cat-back
- Alternative: Remark resonated dual-center-exit GR Corolla cat-back
- Shop Remark exhaust systems
- Compare same-vehicle option: REMARK Catback Exhaust, Toyota GR Corolla, Elite Spec Stainless Center Cover
These are alternative complete systems, not components to combine with this cat-back.
Frequently Asked Questions
Does this system keep the factory exhaust valve working?
Yes. Remark's integrated valve uses the original Toyota valve motor and retains its function.
Do I need to keep the original gasket and spring bolts?
Yes. Remark specifies reusing the factory donut gasket and spring bolts where this system connects to the original piping.
Is this the same as the stainless Elite Spec quad-tip system?
No. RK-C4076T-05T is the Ti-Spec system with Grade 2 titanium piping and muffler construction.
Installation Instructions
Follow Remark's current installation instructions for RK-C4076T-05T. Retain the factory valve motor and reuse the specified donut gasket and spring bolts at the original exhaust connection. Check exhaust clearance and connections after installation.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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