Remark 2015+ Subaru WRX/STI VA Boso Edition Axle Back Exhaust w/ Burnt Blue Single Wall Tip - Remark RO-TBVA-SL
Remark 2015+ Subaru WRX/STI VA Boso Edition Axle Back Exhaust w/ Burnt Blue Single Wall Tip - Remark RO-TBVA-SL
Remark 2015+ Subaru WRX/STI VA Boso Edition Axle Back Exhaust w/ Burnt Blue Single Wall Tip - Remark RO-TBVA-SL
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Remark 2015+ Subaru WRX/STI VA Boso Edition Axle Back Exhaust w/ Burnt Blue Single Wall Tip

Remark
REMRO-TBVA-SL
Axle Back
4 Units In Stock
$ 563.77
$ 563.77

The Remark BOSO Edition axle-back gives the 2015-2021 Subaru WRX and WRX STI an aggressive exhaust note with extended, slant-cut outlets. This version uses burnt-blue single-wall tips and replaces the rear exhaust sections while retaining a compatible midpipe.

Key Features

  • BOSO-style extended outlets with burnt-blue finish
  • Two-piece axle-back supplied as a left and right pair
  • TIG-welded stainless steel construction

Fitment

Years Make Model
2015-2021 Subaru WRX
2015-2021 Subaru WRX STI

Fits the standard factory midpipe or compatible Remark midpipe. Does not fit the factory SPT midpipe or Remark Sports Touring cat-back components. Other aftermarket connections are not supported.

Specifications

Manufacturer Part Number RO-TBVA-SL
Configuration Two-piece axle-back
Piping 2.5-inch, 16-gauge T304 stainless steel
Tips Four 3.5-inch slant-style outlets
Tip Finish Burnt blue
Tip Wall Single-wall

What's Included

Left and right BOSO axle-back sections with four tips total.

Brand Information

Remark manufactures vehicle-specific exhaust systems and matching components, including axle-backs, midpipes and complete cat-backs.

Related Parts

Frequently Asked Questions

Will it fit a factory SPT exhaust?
No. The BOSO version uses the standard midpipe connection, not the SPT connection.

Is this a quiet exhaust option?
No. Remark describes BOSO as a loud, aggressive-sounding exhaust.

Installation Instructions

Use the BOSO axle-back installation instructions for the 2015-2021 WRX and WRX STI. Verify the midpipe connection, position both rear sections and align the outlets before final tightening.

WARNING: Cancer and Reproductive Harm. California Proposition 65: www.p65warnings.ca.gov

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