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This Remark Boso Edition axle-back gives the Subaru WRX elongated exhaust tips and a deliberately loud mufflerless layout. It replaces both rear sections while keeping the factory midpipe connection.
Key Features
- Elongated quad tips and mufflerless rear sections
- Left and right bolt-on sections
- Mandrel-bent T304 stainless-steel piping
- TIG-welded construction
Fitment
| Years | Make | Model |
|---|---|---|
| 2022-2026 | Subaru | WRX |
Remark lists the application as 2022 and newer. Connects to the factory midpipe or compatible Remark OEM-layout midpipe kits. Do not assume compatibility with other aftermarket exhaust connections.
Specifications
| Manufacturer Part Number | RO-TTVB-SL |
|---|---|
| Version | Boso Edition |
| Assembly | Two-piece axle-back |
| Pipe Diameter | 2.5 inches |
| Pipe Construction | 16-gauge mandrel-bent T304 stainless steel |
| Tip Diameter | 3.5 inches |
| Tip Material | T304 stainless steel |
| Welding | TIG |
| Finish | Burnt stainless tips |
| Tip Quantity | Four |
What's Included
Left and right Boso Edition axle-back sections. New gaskets and hardware are included. Midpipe sold separately.
Brand Information
Remark offers distinct axle-back configurations for the WRX, including mufflerless designs and muffled systems. Boso Edition has its own construction and exhaust character, separate from the standard tip-finish options.
Related Parts
- Compatible Remark RO-CPVB-N midpipe kit
- Compatible Remark RO-CPVB-C midpipe kit
- Compatible Remark RO-CPVB-CS2 midpipe kit
- Compare same-vehicle option: Remark Boso Edition Axle-Back for 2022-2026 Subaru WRX - RO-TSVB-SL
Choose one compatible midpipe configuration if upgrading from the factory midpipe.
Frequently Asked Questions
Is Boso louder than the standard muffler-delete axle-back?
Yes. Remark describes Boso as louder than its standard 3.5-inch and 4-inch mufflerless axle-backs, even with the original midpipe.
Do I need to replace the factory midpipe?
No. This axle-back connects to the factory midpipe. The compatible Remark midpipe kits are optional upgrades.
Installation Instructions
Follow Remark's current instructions for RO-TTVB-SL. Check the retained midpipe connection and align the rear sections for clearance.
WARNING: California Proposition 65 Cancer and Reproductive Harm. www.P65Warnings.ca.gov.
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