Page 4 - Modifications

  1. VIDEO: To Build or not to Build your Turbo Subaru EJ Engine

    Flatirons Tuning Tech Tip - To Build or not to Build your turbo Subaru EJ Engine

    If you have a Subaru and want to make a lot more power, or if

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  2. How to put a turbo EJ 2.5 Liter engine into your 2.0 WRX

    How to put a turbo EJ 2.5 Liter engine into your 2.0 WRX

    Flatirons Tuning Tech Tip - Putting a 2.5 Liter engine into your 2.0 WRX

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  3. VIDEO: The most important question - Where to start modifying your car?

    Flatirons Tuning Tech Tip - The most important question - Where to start modifying your car?

    As with most things, if you have a modern turbo-charged

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  4. VIDEO: What it takes to swap an STI 6-Speed into a GD WRX (2002 - 2007)

    Flatirons Tuning Tech Tip - What it takes to swap an STI 6-Speed into a GD WRX (2002 - 2007)

    This video is some detailed information about what

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  5. VIDEO: What's needed for a 6-Speed swap in a GR WRX (2008 - 2014)

    Flatirons Tuning Tech Tip - What's needed for a 6-Speed swap in a GR WRX (2008 - 2014)

    We have helped a few people put an STI 6-Speed transmission

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  6. What is the Best Subaru Timing Belt kit?

    What is the Best Subaru Timing Belt kit?
    Typically, when you do this service, you want to replace most of the parts associated with the timing belt so that you will have another 100,000 miles
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  7. DSX Motorsports (sponsored by Flatirons Tuning) Preps for Super Lap Battle

    DSX Motorsports (sponsored by Flatirons Tuning) Preps for Super Lap Battle

    The following blog post was written by Ryan Dussex of DSX Motorsports.


    Soon, the restless air of Austin, Texas will be excited

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  8. What is a Subaru Transmission Sleeve Kit or Snout Repair kit?

    What is a Subaru Transmission Sleeve Kit or Snout Repair kit?

    On certain Subaru transmissions, mostly on cars with "Push" style clutches, there is a common problem that can occur where the snout of the transmission

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