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Vivid Racing Gear 
If you're looking to boost the performance of your B6 Audi A4 1.8T, the APR T2100004 K04 Turbo Upgrade Kit is your go-to solution. This comprehensive kit includes everything you need for a straightforward turbo swap, featuring the high-performance K04 turbo, compressor inlet O-ring, three turbo outlet studs, a manifold to turbo gasket, four Bosch fuel injectors, and a turbo to cat gasket. It’s designed specifically for the B6 Audi A4 1.8T, ensuring a perfect fit and optimal performance.
What can you expect from this upgrade? With just the addition of an exhaust system, you can achieve impressive gains of 247 horsepower and 286 lb-ft of torque when running on 93 octane fuel. And the best part? An exhaust is not a strict requirement for this kit, making it a flexible option for enthusiasts at any level. The included software ensures that your vehicle is tuned to make the most of the new turbo, maximizing your driving experience.
Features
- WARNING CA Proposition 65: Yes
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Holley Performance Emission Code 7: This part is legal under EPA provisions and allows your vehicle to operate within legal emissions standards for on-street use in most states. However, it is NOT LEGAL FOR SALE OR USE IN CALIFORNIA at this time. Compliance testing with California Air Resources Board is pending.
Notes:
Fitment: This kit is specifically designed for the B6 Audi A4 1.8T, ensuring compatibility and performance. Always double-check your vehicle’s specifications to confirm fitment.
Customer Insights
Owners of the B6 Audi A4 1.8T have reported significant improvements in both power delivery and overall driving dynamics after installing the APR K04 Turbo Upgrade Kit. One user noted, "After swapping to this K04 turbo, my A4 feels like a completely different car. The torque comes on strong, and the throttle response is much sharper!"
Whether you're a weekend warrior or a daily driver, the APR T2100004 K04 Turbo Upgrade Kit is a reliable choice to elevate your Audi's performance without complicated modifications. Get ready to enjoy a thrilling driving experience!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
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 ProductsAPR 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 DemandsThe 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 ProductsEach 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 RacingIf 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.
| Sale price | None | ||||||||||||
| Wholesale price | $2,230.16 | ||||||||||||
| Shipping |
Weight: 12.15 Length: 13 Width: 9 Height: 12
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| 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 |
| Carb Approved | No |
|---|---|
| Carb Number | - |
| Epa Status | - |
| Prop65 | - |
| Carb Required | - |
| 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 | ||||
| Holley Performance Products Inc. |
available_today: 2 |
$1,889.97 | $3,037.95 | ? | $2,699.95 | ? | 2025-07-09 18:22:20 | |||
| Premier WD |
MFG Inventory : 2 Inventory Type: NonStocking |
$2,047.46 | $2,813.00 | $2,499.95 | $2,500.00 | ? | 2025-07-09 16:17:12 |
