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  See all Turbo | Supercharger products
APR K04 Turbo System Kit for Audi A4 | A5 | Allroad | Q5 2005-2017, Cast Stainless Steel - T2100009
APR K04 Turbo System Kit for Audi A4 | A5 | Allroad | Q5 2005-2017, Cast Stainless Steel - T2100009 - Image 4 APR K04 Turbo System Kit for Audi A4 | A5 | Allroad | Q5 2005-2017, Cast Stainless Steel - T2100009 - Image 2 APR K04 Turbo System Kit for Audi A4 | A5 | Allroad | Q5 2005-2017, Cast Stainless Steel - T2100009 - Image 3 APR K04 Turbo System Kit for Audi A4 | A5 | Allroad | Q5 2005-2017, Cast Stainless Steel - T2100009 - Image 4

So, here's the deal—APR has finally rolled out their K04 upgrade kit for those transversely mounted VW engines, and let me tell you, it’s about time! This kit comes loaded with everything you need to make a serious difference in your ride's performance. You’re getting the K04 turbo, a compressor inlet O-ring, four turbo outlet studs, a manifold to turbo gasket, a 4-bar fuel pressure regulator, and a turbo to downturn gasket. It’s a pretty straightforward swap, and trust me, the boost in power is nothing short of impressive.

With just an exhaust upgrade, this kit cranked out 242 horsepower and 268 lb-ft of torque on 91 octane and even hit 245 hp and 275 lb-ft on 93 octane. And just to be clear, you don’t need to modify anything else to get those numbers. It’s all about that turbo magic!

What You Get

  • Cast stainless steel exhaust manifold and turbine housing for durability.
  • CNC-machined billet aluminum compressor wheel—lightweight and efficient.
  • Weighs in at 31 lbs, so it’s not going to weigh your ride down.
  • Includes two normal M12 and M14 crush washers for a solid fit.

Important Notes

Just a heads-up: this kit is not street legal in California yet, but APR is working on it. They’re in the process of getting it tested to meet CARB standards. So, if you’re in California, hang tight!

Fitment

This kit is designed to fit a range of models:

  • Audi 80 (1988)
  • Audi A4 (2005-2016)
  • Audi A4 Allroad (2013-2016)
  • Audi A4 Quattro (2005-2016)
  • Audi A5 (2010-2014)
  • Audi A5 Quattro (2010-2017)
  • Audi Q3 Quattro (2015)
  • Audi Q5 (2011-2017)

If you’re looking to spice up your ride and get some solid power gains without diving into a full build, this K04 kit is a solid choice. It’s straightforward, effective, and ready to take your VW to the next level!

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 $3,221.36
Shipping Weight: 31.00
Length: 25
Width: 9
Height: 19
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 Wednesday 23 March, 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. $2,729.97 $4,387.95 ? $3,899.95 ? 2025-07-10 19:35:58


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