REMARK R1-Spec Catback Exhaust
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R1-Spec Catback Exhaust - Subaru WRX/STI VA [2015-2021]
REMARK's R1-Spec Catback Exhaust is built for enthusiasts who want a genuine exhaust upgrade without compromise. REMARK is known for producing well-engineered exhausts that balance aggressive sound, quality construction, and clean aesthetics — and the R1-Spec delivers on all three for the Subaru WRX/STI VA.
This listing covers the REMARK R1-Spec Catback Exhaust for the Subaru WRX and STI VA chassis, spanning 2015 to 2021, including the updated 2019–2021 WRX/STI VA models. Two material options are available: Stainless Steel (RK-C1076S-01) and Titanium (RK-C1076S-01T).
Important: This exhaust requires removal of the factory donut gasket during installation. Aftermarket adapters are not recommended, as they may cause incorrect fitment.
Key Features
- Large single 114mm (4.5 in) slant-cut tip with laser engraved REMARK logo
- Stainless Steel muffler (RK-C1076S-01) — 10.7 kg (23.6 lbs)
- Titanium muffler (RK-C1076S-01T) — 9.2 kg (20.3 lbs)
- Compatible with all 2015–2021 WRX/STI VA, including updated 2019–2021 models
- Direct factory replacement — no aftermarket adapters required or recommended
Vehicle compatibility, available options, and fitment notes are provided in the tabs above. Please ensure your vehicle's year, trim level, and configuration are confirmed before ordering.
Not sure if this exhaust suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Subaru | WRX | VA | FA20DIT |
| Subaru | WRX STI | VA | EJ257 |
No instructions available for this product.

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