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  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)
  • https://youtu.be/vWqLSvSOzCo
  • Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi (STI-4G-S2-18+)

    MAP price match guarantee Unbeatable Price Guarantee

    MAPerformance

    Stage 2 Subaru STI Power Package By MAPerformance | 2018-2020 Subaru WRX STi

    PART#
    We Price Match!

    Contact us to ensure you're getting the right part for your car at the absolute best pricing on earth!

    Email - sales@maperformance.com
    Phone 1(888)627-3736



    $ 850.99   $ 936.99
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      +1-888-627-3736
    this item typically ships in 2-3 Weeks!
    Free delivery by , to your door when ordered within hrs and mins
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    MAP Loyalty: Earn $ 17.02 Toward Next Purchase!

    2018-2020 WRX STi Stage 2 Hard Parts & Tune Package By MAPerformance

    We are excited about the official release of our Subaru STI Stage 2 Performance Package which, when combined with the included Stage 2 optimized Accessport Tune, is a very potent performance upgrade! Throughout the R&D, testing and calibration phases of the EJ powered 2015+ STI platform, we have been thoroughly impressed with the performance gains from each hardware modification. Better yet, our MAPerformance STI downpipe and air intake systems were designed to support considerably higher power levels allowing for future growth; the included USA Made performance parts support power levels any bolt-on turbo upgrade can throw at them!

    When comparing our MAPerformance Stage 2 power package to a stock STI running our Stage 1 Tune, there are many advantages far beyond the improved sound and raw power. Not only are the power and torque gains inherently impressive, but it’s also important to note how much less work required from the turbo and less stress on the engine to achieve the higher power levels. 

    Disclaimer: This product is intended for off-road use only. As sound level and emissions laws vary based on location please consult your local authorities for additional information.

    2018-2020 Subaru STI Stage 2 Kit Features

    • Capable of 331whp/347wtq (+59whp/+58wtq over STOCK!)
    • 304 Stainless Steel Components
    • 100% Mandrel Bent Piping
    • 3" Piping For Improved flow
    • Fully Tig Welded and Back-purged
    • USA MADE

    Applications

    • 2018-2020 Subaru STi

    What's in the box?

    Installation Instructions

    Warranty

    • MAP Limited Lifetime Warranty

    2018-2020 WRX STi Stage 2 Hard Parts & Tune Package By MAPerformance

    We are excited about the official release of our Subaru STI Stage 2 Performance Package which, when combined with the included Stage 2 optimized Accessport Tune, is a very potent performance upgrade! Throughout the R&D, testing and calibration phases of the EJ powered 2015+ STI platform, we have been thoroughly impressed with the performance gains from each hardware modification. Better yet, our MAPerformance STI downpipe and air intake systems were designed to support considerably higher power levels allowing for future growth; the included USA Made performance parts support power levels any bolt-on turbo upgrade can throw at them!

    When comparing our MAPerformance Stage 2 power package to a stock STI running our Stage 1 Tune, there are many advantages far beyond the improved sound and raw power. Not only are the power and torque gains inherently impressive, but it’s also important to note how much less work required from the turbo and less stress on the engine to achieve the higher power levels. 

    Disclaimer: This product is intended for off-road use only. As sound level and emissions laws vary based on location please consult your local authorities for additional information.

    2018-2020 Subaru STI Stage 2 Kit Features

    • Capable of 331whp/347wtq (+59whp/+58wtq over STOCK!)
    • 304 Stainless Steel Components
    • 100% Mandrel Bent Piping
    • 3" Piping For Improved flow
    • Fully Tig Welded and Back-purged
    • USA MADE

    Applications

    • 2018-2020 Subaru STi

    What's in the box?

    Installation Instructions

    Warranty

    • MAP Limited Lifetime Warranty

    Customer Reviews

    Based on 11 reviews
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    R
    R.
    Amazing performance for the price.
    C
    C.
    Quality Parts
    J
    J.M.
    Nice kit
    D
    D.
    BEST ON THE MARKET HANDS DOWN!!!
    R
    R.
    Wonderful

    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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    If you have any questions please contact us at: 1-888-627-3736 or Email Us Here.