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Today's Deal Grimmspeed Stage 1 Power Package Red Tubing - 2015-2021 Sti Summer Must-have [ScLYDJsv]

$64.99 $207.99 -69%

Today's Deal Grimmspeed Stage 1 Power Package Red Tubing - 2015-2021 Sti Summer Must-have [ScLYDJsv] Elevate your 2015-2021 Subaru STI's performance with the GrimmSpeed Stage 1 Power Package, a comprehensive solution designed to optimize your vehicle's efficiency and power. This package inc

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Today's Deal Grimmspeed Stage 1 Power Package Red Tubing - 2015-2021 Sti Summer Must-have [ScLYDJsv]

Today's Deal Grimmspeed Stage 1 Power Package Red Tubing - 2015-2021 Sti Summer Must-have [ScLYDJsv]

Elevate your 2015-2021 Subaru STI's performance with the GrimmSpeed Stage 1 Power Package, a comprehensive solution designed to optimize your vehicle's efficiency and power. This package includes premium components meticulously engineered to work in harmony, providing a seamless and powerful upgrade for your STI.

Key Features and Benefits

The GrimmSpeed Stage 1 Power Package boasts several standout features that set it apart. The upgraded 3-Port Electronic Boost Control Solenoid ensures precise and responsive boost control, essential for professional tuning. Additionally, the GrimmSpeed Cold Air Intake reduces pre-turbo restriction, allowing for faster and more efficient boost building. Here are some of the key benefits you can expect:
  • Improved Boost Control: Achieve rock-solid boost control with the GrimmSpeed 3-Port Electronic Boost Control Solenoid, perfect for professional tuning.
  • Enhanced Performance: Experience a decrease in spool time and a significant increase in torque and horsepower.
  • Installation and Quality Assurance

    The GrimmSpeed Stage 1 Power Package is designed for ease of installation, with a 60-minute installation process thanks to our detailed written and video guides. Each component is crafted with high-quality materials, ensuring durability and reliability. Made in the USA, this package guarantees a premium product that you can trust. Here are some additional features that highlight the package's quality:
  • Plug and Play: Seamless integration with the OEM harness, eliminating the need for complex wiring.
  • Custom Air Filter: A reusable, high-flow air filter with an integrated velocity stack entrance for smooth air flow.
  • With the GrimmSpeed Stage 1 Power Package, you can expect a noticeable improvement in your STI's performance, all while maintaining a simple and hassle-free installation process.

    What Our Customers Say

    January 29, 2026

    Absolutely no complaints!

    This has streamlined my entire process.

    - Streamline_Steve.

    January 29, 2026

    Absolutely no complaints!

    I'm genuinely impressed with the quality.

    - David R..

    January 29, 2026

    Absolutely no complaints!

    The product is of excellent quality and very reliable.

    - Ryder E..

    Write a Review

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