Rebate

APR T2100004 K04-15 Turbo System, 1.8T Longitudinal, B6 A4 No Inj

Rebate

APR T2100004 K04-15 Turbo System, 1.8T Longitudinal, B6 A4 No Inj
APR

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#425T2100004

APR T2100004 K04-15 Turbo System, 1.8T Longitudinal, B6 A4 No Inj

$2,608.95

/each

Factory Shipped

$2,899.95

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Product Summary

Single Turbocharger Setup

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    Key Specs

    MFG. Part #T2100004
    BrandAPR
    See more specs

    Need To Know

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    APR T2100004 Details

    APR is now proud to release our K04 upgrade kit for the B6 Audi A4 1.8T. Our kit includes the K04 turbo, the compressor inlet O-ring, three turbo to Race DP studs, one manifold to turbo gasket, four Bosch Fuel Injectorss, and one turbo to cat gasket. This kit is a straight forward turbo swap that makes a big difference in the power output of the car. This kit makes solid gains in both horsepower and torque. With no other mods than an APR Exhaust, the kit made 247hp/286lb-ft on 93 octane gas. Although the exhaust is not required, it is highly recommended. This kit includes software. Injectors sold separately.

    Features:

  • Big power and torque gains
  • OEM K04 drop-in turbo
  • High quality materials and components throughout
  • ECU software included

    • Rebates

    Holley October Promo 10% Off Select Parts Sale

    Holley October Promo 10% Off Select Parts SaleHolleyOctoberPromo10%OffSelectPartsSale

    Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CA Prop 65
    CARB warning

    APR T2100004 Specifications

    KEY SPECS
    MFG. Part #T2100004
    BrandAPR
    GENERAL
    Sold in QuantityEach
    Turbocharger SetupSingle

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