A THREADEDLINES® PERFORMANCE DIVISION
DRÖHN®
silence is for the still. we move.
THE MANIFESTO
Rumble, engineered.
DRÖHN is German for rumble — and that's the whole brief. Not loud for the sake of loud. A valved system that idles past your neighbors and opens up when the road does.
The apparel funds the R&D. Every hoodie and heavyweight pant sold moves the first exhaust closer to the dyno. You're not just buying a piece — you're on the build sheet.
FUNDS THE BUILD
DRÖHN Apparel
FIRST SYSTEM TARGET DROP
June 2028
THE BUILD PLAN
Six Phases
PHASE 01
Brand & Identity
Name, red Ö mark, wordmark system, apparel line live and funding the program.
PHASE 02
Platform Lock
First application confirmed: VA WRX / STI — FA20DIT and EJ257 fitments.
PHASE 03
Design & CAD
Valved cat-back geometry, resonator tuning targets, material spec.
PHASE 04
Prototype
First unit fabricated. Fitment checks, drone hunting, dB mapping.
PHASE 05
Dyno & Durability
Back-to-back baseline pulls, heat cycling, valve actuator endurance.
PHASE 06
The Drop
Limited first batch. Bloodline Pro gets first allocation.
SYSTEM 001 · IN DEVELOPMENT
Valved Cat-Back
- Application
- 2015–2021 Subaru WRX / STI (VA) — FA20DIT & EJ257
- Configuration
- Valved cat-back · dual exit
- Material
- T304 stainless, mandrel bent
- Modes
- Quiet (valve closed) / DRÖHN (valve open) — remote + auto
- Target price
- $2,495
- Status
- R&D — funded by apparel
QUESTIONS
Asked constantly
IS DRÖHN A SEPARATE BRAND?
DRÖHN® is the performance division of THREADEDLINES®. Same family, different job — TL dresses the driver, DRÖHN builds the sound.
WHY 2028?
Because a valved exhaust that's actually good takes real R&D — design, prototyping, dyno time, durability. We'd rather ship it right than ship it fast.
HOW DO I GET FIRST ALLOCATION?
Bloodline Pro members get the first batch window before public release. Join the Bloodline →
WILL THERE BE OTHER FITMENTS?
System 001 is VA WRX/STI. If it hits, the platform list grows — VAG and BMW applications are on the long-range whiteboard.