VW Audi Upgrade Larger K04 Turbo Passat A4 V This turbo is larger than stock K03 turbo 1.8T
HT300 Turbocharger Upgrade for 1.6T (Mechanical Wastegate) – N75 MotorSports
K04 vs K03 turbo
Technical Information about running a K04 turbocharger on the TSI engine. | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com
KO4-015 K04-015 Upgraded K03 Turbo VW Passat Audi A4 1.8T 20V, Audi Turbos, XS Power Inc.
K03 vs K04 Turbo for the Audi & Volkswagen 1.8T - Buy Auto Parts