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  1. CorkSport Axle Back Exhaust for CX-9

    With a shop full of enthusiastic car guys and gals we are in love with the look and sounds of the CorkSport Cat-Back on that larger than life CX-9. Customers love the sound, especially when completed...
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    Mazdaspeed EWGs Made Easy!

    We’ve talked a lot about external wastegates with our recent CST6 development but today we are happy to announce the standalone CorkSport External Wastegate Housings for the CST4 and CST5. Available...
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    The CST6 has Arrived!

    The long wait is finally over and you can now get your hands on the CorkSport CST6, which holds the record for the highest horsepower on the OEM turbine flange at 684WHP! In case this is the first...
  4. Mazdaspeed 3 Exhaust Manifold Break Down

    This is the OEM exhaust manifold found on the Mazdaspeed platform. Manufactured from cast iron and very compact in design, the OEM design leaves A LOT on the table in the performance department. ...
  5. Testing & Validation: CorkSport 2.5L SkyActiv Race Header

    The 2.5L SkyActiv Race Header is coming for the 2014+ Mazda 3 and Mazda 6 -- hear the beautiful sound and learn the details behind the design!

    Please click here for the full article and if you...
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    CorkSport CST4 vs. OEM K04

    For the last four years, we’ve been asked countless times if the CST4 is a direct replacement for the OEM K04. With the number of cars experiencing their 2nd, 3rd or even 4th owner, this question is...
  7. SkyActiv-G 2.5T Intercooler & Piping Testing

    The CorkSport Intercooler and Piping upgrade kits for the Mazda SkyActiv-G 2.5T are inching closer to release and it’s time to share more of the R&D that goes into making these kits perform the best....
  8. Testing – CorkSport External Wastegate Housing for Mazdaspeed

    Why EWG?  (it’s just about awesome turbo noises) We hear this alot as the Mazdaspeed platform continues to grow and the 450-500whp build becomes the status quo. Following up the EWG Housing Design &...
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    The CorkSport CST5 is HERE!

    We are happy to release the new “medium big” brother to the tried and true CST4, the new CorkSport CST5 Turbocharger for the DISI MZR engine found in the Mazdaspeed 3, Mazdaspeed 6, and Mazda CX-7...
  10. Mazda 6 Turbo Lowering Springs Release!

    Today we'll cover how we tested the ride quality and go a step further to talk about damping and natural frequency. I’m going to warn you now; this gets a little bit complicated, but we’re happy to...
  11. The Design – 2.5L SkyActiv-G Exhaust Header

    In this blog we are going to explain some of the design features in the CorkSport 4-2-1 header and why those features are important to our new header.

    Please click here for the full article and if...
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    2018+ Mazda 6 Turbo Lowering Springs

    Sport Lowering Springs for 2018+ Mazda 6 equipped with the 2.5L turbocharged engine are here! We took a fresh approach to spring design to offer you the best combination of style, ride quality, and...
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    CorkSport CST6

    We're nearing the end of testing on the CST6, and are seeing consistent results showing that the CST6 will support mid-500 WHP.

    Please click here for the full article and if you wish, you can post...
  14. CorkSport External Wastegate Housings: Design and Product Details

    During our development of the new CST6, it became clear that an external wastegate (EWG) would be the only option for optimum performance and boost control — Read about the CST6 design here. Since we...
  15. New & Improved: The CorkSport Aluminum Skid Plates for Mazdaspeed 3

    Say hello to the new and improved CorkSport Aluminum Skid Plates for 2008-2013 Mazdaspeed 3 and 2004-2013 Mazda 3. We went back to the drawing board to improve the fitment, make installation easier,...
  16. Let’s Get Chilly: CorkSport Intercooler for SkyActiv 2.5T

    It’s time to break down our design for the CorkSport Performance Intercooler Upgrade for the Mazda 6 2.5T. We have covered both the OEM intercooler and piping, and our design plan for the upcoming...
  17. CST5 Spools!! Testing and Validation

    We’re back on the new CorkSport turbocharger lineup again with today’s blog, this time focusing on the testing & validation of the “medium big” turbo, the CST5. Just in case you missed it, the CST4...
  18. CST6 – The CorkSport Stock Flange Record Turbo

    A few weeks ago we discussed some of the design intent behind the CST5 turbocharger for the Mazdaspeed platform.  Today, we want to follow up with the CST6. The CST5 and the CST6 both were a result...
  19. Mazda 6 2.5T Stock Spring Evaluation

    Today we’re taking another dive into OEM Mazda parts to better understand how they function. Specifically, OEM suspension springs, since there are CorkSport Lowering Springs coming soon for the 2018+...
  20. Inside look: CorkSport Turbo Design

    The development and evolution of the CorkSport Performance CST5 and CST6 turbochargers are uniquely intertwined.   We’ll be honest, we started with the goal of a single larger turbo than the CST4 in...
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    CorkSport Mazda6 2.5T Boost Tube

    We are proud to release the CorkSport Upgraded Boost Tube for 2018+ Mazda 6 2.5T and 2016+ CX-9 2.5T. The CorkSport boost tube is larger, stronger, more reliable, and of course better looking than...
  22. OEM Part Breakdown: 2.5L Skyactiv-G Exhaust Header

    If you’ve been paying attention to the CorkSport channels, you may have seen rumors here and there of a race header for the GEN3 Mazda 3 and Mazda 6 2.5L. While I can’t say too much on that just yet,...
  23. Mazdaspeed Turbo – Choose Your Boost

    May of 2015, CorkSport launched its first high performance drop-in turbocharger for the Mazdaspeed platform.  Fast-forward almost 4 years and CorkSport again is about to redefine what a stock flange...
  24. SkyActiv 2.5T Cold Side Boost Tube Part 2: Testing

    In case you missed it, we have been working on improving the flimsy rubber tube that comes stock on the cold side of your 2018+ Mazda 6 2.5T. Check out the first part on the cold side boost tube here...
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    80mm Gen3 Mazda3 Cat-Back Exhaust

    I 4 years ago, we released the 60.5mm Exhaust kit for the 3rd Gen Mazda 3 (both in axle back and full cat back flavors). It’s certainly been a hit, but there has been a few of you longing for more...
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