Manual Boost Controllers
GrimmSpeed manual boost controllers are the most fine tuned boost controllers on the market. After years of research and collaboration with tuners GrimmSpeed has released their best manual boost controller yet. This manual boost controller allows you to raise your OEM boost levels easily and in an efficient manner. This manual boost controller gives you a faster spool up time, more horsepower, a quicker response, and more torque.
- It is adjustable in over 250 ways.
- It has a heavy duty double ball detent system with clicks for active feedback.
- There is no more need to switch springs with an extra long travel spring.
- Precisely etched scale with labels that are easy to read thanks to laser technology.
- It has an incredible range without sacrificing resolution.
- Comes with a universal mounting solution.
- CNC’d from weapon’s grade aluminum for extreme quality and endurance.
Subaru Rally Parts
Visit a Portland Engine Tuning shop and find the performance parts you need for your Subaru Rally Car. Find the best quality parts and get help finding the right parts you need to make your car more powerful than it has ever been. Visit a Portland Engine Tuner or Portland Dyno Tuner today!