DZ-184 Audi A4 / VW Passat 1.8T Longitudinal Upgrade 400hp Stage 4 Turbocharger SKU# 30400


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Vehicle Summary


Warranty12 mo. / 12k mi. against defect

Core ChargeN/A

Vehicle Detail

American-Built Brand New!

DZ-184 Audi A4 / VW Passat 1.8T Longitudinal Upgrade 400hp Stage 4 Turbocharger


The true category killer! Hand-built by a master turbo tech in the USA, hand-picked components from the best available vendors. True OE spec 713C inconel turbine from an OEM manufacturer, high silicon molybdenum turbine housing, premium quality 14psi billet actuator, ultra-high output 14-blade stage 4 billet compressor fit within custom made compressor cover with larger A/R but fits in stock location. The highest output stock location / bolt-on 1.8T Longitudinal turbocharger.

These turbos require a lot of customization work and are built to order, expect 7-14 working days to fill an order unless we notify you otherwise.


Bolt-on installation, but UPGRADES REQUIRED: Tuning software, upgrade clutch, upgrade silicon intake hose, 550cc fuel injectors, higher flow fuel pump, intake & exhaust, larger MAF housing, front mount intercooler, high flow exhaust manifold. BUILT MOTOR REQUIRED!

WARNING: If you do not have a fully built car and motor, and are not willing to do a custom tune, do not purchase this turbo, see our stage 1-3 options.

   • 100% built and balanced in our Michigan facility.
   • Each component is checked for exact specification, proper material, and heat treatment.
   • Upgraded internals are integrated to improve oil flow and thrust handling.
   • Other guys say “Each component meets or exceeds OEM specification” but ours really do!
Call our toll-free line to order if: 1) You require express air delivery. 2) You are not 100% sure this is the correct unit for your vehicle. 3) You are outside the lower 48 states, USA. 4) You are not sure why your turbo failed and our technical support will help you diagnose the cause of failure to ensure the successful installation of your replacement unit.

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Makes: A4 / Avant, Audi, Passat, and Volkswagen.

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