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COBB 20G Turbo Upgrade Kit for All Imports

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COBB 20G Turbo Upgrade Kit Description

CARB Compliance / Exemption Warning: If you live in California and your application for this product is not CARB Compliant / Exempt, then you cannot purchase it for public highway or street use (in that case it could only be used for formally sanctioned race use on a racing vehicle that may never be used on a public highway or street). If your application is not CARB Compliant / Exempt and you're shipping to California, our system will let you know on the final checkout page.

This manufacturer has a policy which prevents shipment to California for applications of this product that are not CARB Compliant / Exempt. Therefore, if you live in California, you will not be able to receive your part if it does not have a CARB EO #, even if it is for a dedicated race vehicle.

A tune is NOT required to properly use this turbo, but you will get more power if you get a custom tune (any CARB Exemption status would be invalidated by doing that). Also note that it is designed to fit on the stock turbo flange.

When you turn up the boost, you'll often quickly see the limit of your stock turbo. Once you hit this wall, the only way around it is by upgrading your turbo. Luckily, COBB understood this and released their 20G turbo. This turbo is perfect for both street and track use, providing similar low to mid-range response as the stock turbo, but with a huge bump to top-end power! This COBB 20G Turbo Upgrade is capable of producing 400 horsepower while still maintaining excellent throttle response too!

The 20G turbo features an offset compression outlet for more room around the throttle connector and a modified oiling strategy is used to ensure that it can handle increased thrust capacity. This 20G turbo kit includes all the necessary hardware and gaskets for installation, making it a straightforward way of increasing overall performance and getting the most out of your Import.

Key Features:
  • Capable of up to 400 hp while still maintaining great throttle response and mid-range power / torque.
  • Compressor: Inducer size is 52.5 mm and the Exducer size is 68 mm.
  • Turbine: Inducer size is 55.8 mm and the Exducer size is 49.2 mm.
  • Billet cut wheels for strength and reliability.
  • Can move up to 640 CFM!
  • 1 bar actuator.
  • Bolt-on design. Simply install and go!


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