Subaru Tuning & Performance Parts Tuned by tim cox
Custom Subaru ECU Remapping and Performance Upgrades
Looking for expert Subaru tuning? At Tuned by Tim Cox, I bring over 12 years of experience and more than 1,200 vehicles tuned. I specialize in ECU remapping, dyno tuning, and performance parts for Subaru WRX, STI, and Forester models. Whether you’re chasing track performance or reliable street power, Tuned by Tim Cox delivers precise, tailored results you can trust.
Why Choose Tuned by Tim Cox?
12+ years tuning Subarus from stock builds to 750BHP track cars
1,200+ successful tunes with proven results
Aviation engineering background for precision and reliability
Custom turbos and tuning packages built specifically for Subaru performance
My goal is to deliver power, efficiency, and durability while making sure your Subaru runs at its absolute best.
TUNING PACKAGES
Choose a package designed for your specific Subaru model. Each model has its own ECU remap, dyno tuning, and optional upgrades. Click your Subaru below to view full tuning details.
Performance Parts
In addition to ECU tuning, I supply and fit performance parts to help your Subaru reach its full potential. My Tuned by Tim Cox turbo series is designed to spool faster and make reliable power.
Tuned by Tim Cox Turbos
The Tuned by Tim Cox turbo series is built from years of hands-on Subaru tuning experience, delivering the perfect balance of spool speed, power, and reliability. Unlike generic aftermarket options, each turbo is designed specifically for Subaru performance, tested on the dyno, and proven on the road. Whether you drive a WRX, STI, or Forester, our turbos provide quicker response, stronger mid-range torque, and dependable top-end power for both street and track use. Every unit is crafted with precision engineering to maximize efficiency and durability, giving your Subaru the boost it deserves. You can click the images below to browse our full range of turbos.
Tuned by Tim Cox turbos are designed to spool faster, hit harder in the mid-range, and provide reliable long-term power for Subaru WRX, STI, and Forester models. Each turbo is precision-built and tested to deliver consistent performance on both road and track.
send tim a message
- For enquiries or to book a custom engine tune, phone me on 07983 997776
- tim@tunedbytimcox.com