PulseWidth
527+ Vehicle Definitions

All-in-One Tuning Platform

Edit, flash, log, analyze, and manage customers. The modern replacement for stalled legacy tools, at a fraction of the cost of proprietary solutions.

Free core features. Pro $249 lifetime per VIN. Tuner pricing on request.

Included Free

Core Tuning Features

All the essential tools for ROM editing, flashing, and data logging. No trial period, no feature locks — free forever.

Free
ROM Flashing
Read and write ECU calibrations across all major Subaru ECU families from 1999 to 2024.
  • OpenPort 2.0 and Tactrix cable support
  • 24 embedded flash kernels
  • Automatic checksum correction
  • Recovery mode for bricked ECUs
  • Full ROM backup before flash
Free
ROM Editor
Full table editor with 2D/3D visualization and 527+ built-in vehicle definitions.
  • 527+ vehicle definitions included
  • 2D and 3D table visualization
  • ROM compare and diff tools
  • Table scaling and annotations
  • Copy/paste between ROMs
Free
Live Data & Logging
Monitor your engine in real-time with customizable gauges and high-speed logging.
  • 200+ parameters available
  • High-speed logging up to 60Hz
  • Customizable gauge layouts
  • CSV export for analysis
  • External sensor support (AEM, Innovate)
Free
DTC Scanner
Read and clear diagnostic trouble codes with detailed descriptions.
  • Read/clear engine codes
  • Pending and permanent codes
  • Freeze frame data
  • Readiness monitor status
  • Code definitions included
Free
Learning View
Monitor ECU learning values and adaptations in real-time.
  • Fuel trim monitoring
  • Knock learning display
  • A/F learning values
  • Fine/rough learning tables
  • Reset learning commands
Free
Map Switching
Switch between multiple calibrations without reflashing.
  • Store multiple maps
  • Quick switch via cruise
  • Flat-foot shifting
  • Launch control modes
  • Map-based features
Pro - $249 lifetime per VIN

Pro Features

Unlock automation tools, cloud ROMs, live tuning, and remote tuning. One-time purchase per VIN.

Pro
VE Auto-Tune
Statistical learning algorithm that automatically optimizes your VE table from datalogs.
  • Statistical outlier detection
  • Bilinear cell interpolation
  • Adaptive learning rate
  • Mode-specific tolerances
  • Learns from datalogs
Pro
Boost Auto-Tune
Automated boost control optimization with stability analysis and per-RPM tuning.
  • Phase 0 stability analysis
  • Phase 1 per-RPM optimization
  • Acceleration-based torque estimation
  • Configurable power tiers (Stock-500+ HP)
  • Safety interlocks (knock, AFR, IAT)
Pro
Live Tuning
Real-time RAM writes for instant feedback during tuning sessions.
  • Modify tables while running
  • Instant feedback
  • Connection heartbeat
  • Write verification
  • Queue coalescing
Pro
Patch System
Advanced patches for launch control, anti-lag, boost-by-gear, and torque management.
  • Two-step launch control
  • Anti-lag system
  • Flat-foot shifting
  • Boost-by-gear
  • Torque management
Pro
Speed Density
Convert MAF-based tunes to speed density for big turbo builds.
  • MAF-less operation
  • VE table generation
  • Barometric compensation
  • IAT compensation
  • Hybrid modes
Pro
Datalog Analysis
Server-side analysis of your datalogs with scoring and recommendations.
  • AFR target deviation
  • Knock event analysis
  • Boost control analysis
  • Timing analysis
  • Health score
Pro
Cloud ROM Catalog
Access 1,145 stock ROMs from the cloud. No hunting for base files.
  • 1,145 verified stock ROMs
  • Instant download by Cal ID
  • Version tracking
  • Update notifications
  • Stage 1/2/3 community maps
Pro
Remote Tuning
Work directly with professional tuners for custom solutions via the e-tune workflow.
  • Live chat with tuners
  • Datalog review
  • Custom tune requests
  • ROM delivery via portal
  • Priority support
Tuner - Contact Sales

Professional Tuner Features

Everything in Pro, plus unlimited vehicles, customer management, boost auto-tune, and the full e-tune workflow. Built for shops and professional tuners.

Tuner
Customer Management
Manage your tuning customers, vehicles, and tune history from one dashboard.
  • Customer database with vehicle tracking
  • Tune revision history per vehicle
  • Datalog review and annotation
  • Customer notes and communication log
  • Revenue and earnings tracking
Tuner
E-Tune Workflow
Replace email-based e-tuning with an integrated workflow. Customers upload datalogs, you deliver ROMs.
  • Customer self-service portal
  • Datalog upload and review queue
  • ROM delivery via cloud
  • Revision tracking and rollback
  • Integrated chat per vehicle
Tuner
Tuner Analytics
Track your business metrics: revenue, customer satisfaction, tune performance.
  • Revenue dashboard with trends
  • Customer retention metrics
  • Map download analytics
  • Earnings breakdown by source
  • Monthly/yearly reporting
Tuner
Unlimited Vehicles
No per-vehicle limits. Tune as many customer vehicles as you need.
  • Unlimited vehicle slots
  • Unlimited ROM storage
  • Priority cloud access
  • Bulk operations
  • API access for automation

Supported Vehicles

527+ ROM definitions covering 25 years of Subaru turbo and naturally aspirated platforms, including the 2022+ WRX.

WRX

2002-2014

Engine

EJ205/EJ255

Processor

SH7055/SH7058

Markets

USDM
JDM
EDM
ADM

WRX STI

2004-2021

Engine

EJ207/EJ257

Processor

SH7058/SH72543

Markets

USDM
JDM
EDM
ADM

WRX (FA20DIT)

2015-2021

Engine

FA20DIT

Processor

SH72543

Markets

USDM
JDM
EDM
ADM

2022+ WRX (VB)

Early Access

2022-2025

Engine

FA24DIT

Processor

Coming Soon

Markets

USDM

BRZ/86/FR-S

2012-2020

Engine

FA20

Processor

SH72531

Markets

USDM
JDM
EDM
ADM

Forester XT

2004-2018

Engine

EJ255/FA20DIT

Processor

SH7058/SH72543

Markets

USDM
JDM
EDM
ADM

Legacy GT

2005-2012

Engine

EJ255/EJ257

Processor

SH7058

Markets

USDM
JDM
EDM
ADM

Outback XT

2005-2009

Engine

EJ255

Processor

SH7058

Markets

USDM
JDM
EDM
ADM

Baja Turbo

2004-2006

Engine

EJ255

Processor

SH7055

Markets

USDM

Levorg

2014-2020

Engine

FB16DIT/FA20DIT

Processor

SH72543

Markets

JDM
EDM
ADM

Crosstrek/XV

2012-2014

Engine

FB25

Processor

SH7058

Markets

USDM
JDM
EDM
ADM

Don't see your vehicle? We're constantly adding new definitions.

Request Vehicle Support

Ready to Start Tuning?

Create a free account and start tuning your Subaru today. All core features are free -- upgrade to Pro when you need more.