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APR K04 Turbo System Kit for Audi A4 B6 1.8T (Without Injectors) - T2100004
$2699.95

APR T2100004 K04 Turbo Upgrade Kit for B6 Audi A4 1.8T

The APR T2100004 K04 Turbo Upgrade Kit is engineered specifically for the B6 Audi A4 1.8T, delivering significant enhancements in power output. This turbo kit includes the K04 turbocharger, a compressor inlet O-ring, three turbo outlet studs, one manifold to turbo gasket, and one turbo to cat gasket. While the kit is designed for a straightforward installation, it is essential to note that the included software is necessary for optimal performance. Fuel injectors are sold separately.

Performance Gains

With just an exhaust modification and utilizing 93 octane fuel, this kit achieves impressive results, producing 247 horsepower and 286 lb-ft of torque. The K04 turbo provides a notable increase in both horsepower and torque, making it a valuable upgrade for performance-oriented drivers.

Legal and Compliance Information

  • WARNING CA Proposition 65: Yes
  • WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Holley Performance Emission Code 7: This part complies with EPA regulations and has been tested to ensure it operates within legal emissions standards. However, it is important to note that this product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Compliance testing with the California Air Resources Board is pending. Updates will be provided once testing is complete and an E.O. number is issued.

Fitment Details

This turbo upgrade kit is compatible with the following models:

  • Audi 80 (1988)
  • Audi A4 (2002-2006)
  • Audi A4 Quattro (2002-2005)

Installation Notes

Installation of the APR T2100004 K04 Turbo Upgrade Kit is straightforward, but attention to detail is key. Ensure that all gaskets and studs are properly torqued to manufacturer specifications to prevent any leaks or performance issues. While this kit significantly enhances power, additional supporting modifications such as an upgraded exhaust may further optimize performance.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Who is APR?

APR is a company that was founded in 1997 and specialized in providing high-performance parts for the automotive industry. They cater to various automotive platforms such as Audi, Seat, Skoda, Volkswagen, Porsche, and more. Today, they are considered the global leader when it comes to aftermarket performance parts.

Wide Range Of Products

APR develops and produces a wide range of products from software, hardware, data logging, calibration tools, intake components, exhaust systems, transmission controllers, turbochargers, intercoolers, wheels, suspension parts, brake systems, and more.

Meeting Customers Demands

The demand for their products has grown over the years. But even so, they can accommodate everyone by using their 80,000 square foot facility located in Opelika, Alabam. This facility houses state-of-the-art manufacturing equipment that allows them to create some of the best products in the market.

Quality Products

Each part is carefully designed and cut with precision to ensure that it fits perfectly on the vehicle. The company caters to some of the best automotive brands globally, so it is just that they create parts that are par with it in terms of quality and performance.

Purchase APR Products At Vivid Racing

If you are in the market for high-quality performance parts for your vehicle, then APR is the brand for you. They have been in the automotive business for more than 20 years and have given their customers the products they duly deserve. To know more about APR and what they can offer, visit Vivid Racing and check out their list of parts that would fit your specific needs.

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Things
Sale price None
Wholesale price $2,230.16
Shipping Weight: 12.15
Length: 13
Width: 9
Height: 12
Zone Name Flat Rate
Arizona $40.00
US-Only $40.00
USA-West-Coast $40.00
USA-East-Coast $40.00
USA-Mid-West $40.00
Product Added At Monday 25 April, 2022
Product Modified At Thursday 10 July, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status -
Prop65 -
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Holley Performance Products Inc. $1,889.97 $3,037.95 ? $2,699.95 ? 2025-07-10 19:35:58


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