DZX-184L Audi A4 / VW Passat 1.8T Longitudinal Upgrade 400whp Stage 4 Turbocharger SKU# 30400


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American-Built Brand New!

DZX-184L Audi A4 / VW Passat 1.8T Longitudinal Upgrade 400whp Stage 4 Turbocharger

Regular price $1400sale price $1195



100% purpose-designed and -built baddest turbo ever for the B5/B6 1.8T longitudinal platform. Introducing the long-awaited DZX-18L series! We have solved the power bottleneck by increasing the A/R of the compressor and turbine housings, finally your 1.8T can reach its response and power potential! 

The largest wheels ever offered in a bolt-on turbo for this platform! 400whp capable on pump gas. (NOTE: The stage 4 is for built motors only!)

EVERY component of this turbo is a custom-designed upgrade:

  • 20% LARGER CUSTOM TC TURBINE HOUSING, ported, with upgrade flapper
  • LARGER Stage 4 9-blade TURBINE WHEEL
  • LARGER Stage 4 ultra-high flow 11-blade COMPRESSOR WHEEL
  • PERFORMANCE 360 THRUST BEARING and other internals upgraded for greater DURABILITY and LONGEVITY
  • Stage 4 is our direct-fit, bolt-on answer to GT2860/2871 units. Same power, easier install, quicker response!

Hand-built by a master turbo tech in the USA, hand-picked components from the best available vendors, custom DZ7 47mm 9-blade turbine made from OE-spec 713C inconel turbines by an OEM manufacturer, calibrated 1bar upgrade billet actuators, hi-temp silicon molybdenum ductile steel turbine housings, and custom 49mm 11-blade TCX billet compressor is 400whp capable in this perfect environment of higher flowing housings and larger turbine!

Bolt-on installation, but upgrades highly recommended: 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 HIGHLY RECOMMENDED

   • 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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