Dump Valve Kompact Supersonic – Honda Civic 1.5L (RS/Si)

Dump Valve Turbosmart Kompact Supersonic – Honda Civic Si / RS 1.5L VTEC Turbo

Turbosmart is a leading Australian manufacturer specializing in turbo engine tuning, active since 1997 under the motto "Engineered to Win." A long-standing specialist in dump valves (blow-off valves), the brand designs, machines, and tests its products in-house to guarantee reliability, sealing, and performance.

The Kompact range is Turbosmart's entry point into the world of dump valves (BOVs): it targets stock or lightly modified vehicles used on the road, for power outputs up to around 400 hp. It directly replaces the original plastic valve with a body machined from anodized billet aluminum and a lightweight precision piston, which eliminate compressor surge and the boost leaks typical of aging OEM valves. Available in Dual Port (atmospheric sound + recirculation) or Plumb Back (fully recirculating, quiet, MAF-compatible) versions, with interchangeable springs to adjust opening pressure. It is the best-selling range in its category worldwide: a reliable, robust, and very affordable replacement, while the BOV5 and RacePort ranges target more intensive use (track, high power).

Turbosmart Kompact Supersonic dump valve (BOV) as a direct replacement for the original plastic valve on Honda Civic Si and RS models with the 1.5L VTEC Turbo engine (FC/FK, 2016+). Direct-fit installation.

100% atmospheric vent-to-atmosphere valve: all compressed air is vented to atmosphere for a sharp, loud sound, with no recirculation.

Designed for high boost levels: body machined from aircraft-grade billet aluminum with high-temperature seals. Fully CNC-machined construction with a refined anodized finish; manufactured, assembled, and validated in-house at Turbosmart's headquarters.

Compatibility:
- Honda Civic Si 1.5L VTEC Turbo (2016+)
- Honda Civic RS 1.5L VTEC Turbo (2016+)

Please note: for the Honda Civic Type R 2.0L (FK2/FK8), choose part number TS-0203-1017.
Turbosmart part number: TS-0203-1018.