Audi B5 Performance Turbochargers

Transform your 2.7-liter Bi-Turbo into a high-horsepower powerhouse with this complete BorgWarner K04 upgrade bundle. RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:

ES#:

5516698

Mfg#:

53049880026KT

$3173.99 USD

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Partial Replacement

Upgrade your longitudinal 1.8T with this complete K04 turbocharger and Ajusa sealing hardware bundle.

Brand:

ES#:

5516702

Mfg#:

058145703KO42KT

$1868.99 USD

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Lifetime Replacement

EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D. *To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:

ES#:

4143465

Mfg#:

11589880036

22% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$3723.99

This product was last offered at the strikethrough price on
10-18-2026

$2898.99 USD

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Lifetime Replacement