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The Turbo Concepts K04 upgraded turbocharger transforms your Audi or VW 2.0T FSI/TSI into a street and track powerhouse. Designed for direct bolt-on installation, this K04 delivers 450 HP potential while maintaining excellent spool characteristics — full boost hits by 2,850 RPM.
Built with a billet compressor wheel for improved airflow, a high-temperature 713C turbine wheel for durability, and precision built and balanced in Michigan, this turbocharger is engineered for performance enthusiasts who demand more from their daily driver or weekend warrior.
Fits popular models including the GTI, GLI, Jetta, Passat, Tiguan, A3, and TT (see full list below). Whether you’re chasing faster lap times or just want a quicker, more responsive ride, this K04 delivers the punch.
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Out of stock
AUDI, VW Turbocharger (15+ TT,A3,S3,Golf,GTI,R 19+ Jetta) 1.8 2.0 Free Ground Shipping! -
Out of stock
PDZX-183L Audi A4 / VW Passat 1.8T B5/B6 Longitudinal Stage 3
Upgrade Turbocharger PACKAGE #50300
TURBO + INTAKE + EXHAUST FREE GROUND SHIPPING FOR ONLINE ORDERS!!! (continental USA only) -
American Built Brand New!
DZX-183T Audi TT / Golf / Jetta / New Beetle Transverse 1.8T STAGE 3 Bolt-on 350hp Upgrade Turbocharger
Including necessary hardware and ground shipping to continental USA!
UPGRADE SILICON INLET HOSE IS REQUIRED FOR INSTALLATION. -
Out of stock
PDZX-184L Audi A4 / VW Passat 1.8T Longitudinal Upgrade Stage 4 Turbocharger PACKAGE
TURBO+MANIFOLD+INTAKE PIPE FREE GROUND SHIPPING FOR ONLINE ORDERS!!! (continental USA only) -
Expertly-remanufactured OEM Turbo
Audi A4 1.8T 170hp turbocharger
FREE GROUND SHIPPING WITHIN CONTINENTAL USAEngine codes AWM and AMB, 2006 Cabriolet only
$200 core charge is included in “Buy Now” checkout price, will be refunded to your paypal upon receipt of core. Core must not be unassembled and must be returned within the same packaging your rebuilt unit arrived. -
Expertly-remanufactured OEMAudi TT 1.8L AWP 180hp K03 / K04 Upgrade 300hp Turbocharger
Engine code AWP only!
TCS K04 Upgrade available! Featuring 14-blade billet K04 compressor wheel, upgrade cover, and larger turbine, 300hp capable! FREE SHIPPING ON ONLINE ORDERS! -
Silicon Upgrade Intake Hose for Audi TT / Golf / Jetta / New Beetle Transverse 1.8T
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Direct-fit Stage 3 turbo upgrade for the Audi TT Quattro 1.8T (AMU engine code only, printed on engine block). Delivers up to 350 HP with faster spool, improved airflow, and long-lasting durability. Built and precision-balanced in Michigan, USA. Free Ground Shipping within the continental United States.
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Out of stock
TC Billet Aluminum Intake Manifold Kit
Audi TT / Golf / GTI / Jetta / New Beetle Transverse 1.8T
FREE GROUND SHIPPING FOR ONLINE ORDERS! (continental USA only) -
TC18L Performance Manifold
for 1997-2006 Audi A4 / VW Passat 1.8T Longitudinal vehicles SKU# 10918
* INCLUDING GASKETS AND INSTALLATION HARDWARE!
FREE GROUND SHIPPING FOR ONLINE ORDERS!!! (continental USA only)
