Upgrade your WRX or STI’s exhaust flow and tone with the Nameless Performance Catback Midpipe. Designed to pair with any of our axleback systems, this midpipe features a high-flow 3" primary circuit and a uniquely engineered triple-stepped Y-section for optimized performance, sound quality, and zero drone.
Key Features
-
3" Mandrel-Bent Primary Circuit: Maximizes exhaust flow for improved horsepower
-
Triple-Stepped Y-Section: Smooth transition from 3" to 2" circuits increases torque output and sound tuning
-
Torque-Focused Design: Delivers higher torque than any other catback while matching peak horsepower numbers
-
Drone-Free Performance: 2" dual rear circuits optimize sound frequency and resonance
Materials & Build Quality
-
Full T304 stainless steel construction for corrosion resistance and long service life
-
TIG welded for precision and durability
-
V-band latch-over clamps for secure fitment and easy adjustment
-
Designed and built in the USA
Installation & Components
-
Three-piece midpipe for maximum ground and chassis clearance
-
Includes V-band clamps and proprietary 3" donut gasket
-
Factory-fit flanges for both downpipe and axleback connections
-
Compatible with OEM or Nameless Performance downpipes
Fitment
-
2015–2021 Subaru WRX
-
2015–2018 Subaru STI
-
Works with OEM or Nameless axleback systems
-
Not compatible with STI (SPT) dealer-installed components
Performance Gains
-
Up to +34 ft-lb torque and +22 whp at the wheels on the EJ-series STI
-
Drone-free operation with optimized low-frequency tuning
Get the best flow, sound, and torque from your WRX or STI with Nameless Performance’s catback midpipe. Engineered for daily drivability and track-ready performance
![Nameless Performance [15 - 21 WRX, 15 - 18 STI] Midpipe 3in | SUMP15WRX - JDMuscleExhaust Mid PipesSUMP15WRX](http://jdmuscleusa.com/cdn/shop/files/nameless-performance-15-21-wrx-15-18-sti-midpipe-3in-sump15wrx-8295310.jpg?v=1770329896&width=1445)