Background: The Shuenk IS48 turbocharger that I have been using with the GTI for almost a year (installed in July 2025) is built on the idea of pairing a slightly larger compressor wheel with the IHI IS38 hotside (shown below) to deliver tuned IS38 boost levels at lower rotational speeds. The aim is to increase the turbocharger’s […]
IS20 turbine flow test Read More »
Background: With the CC Design GESi cat midpipe installed on the Mk7 GTI the car was driven to record sound level and frequency from the exhaust system and make comparisons with the same setup without the catalytic converter. The expectation is that the matrix inside the catalytic converter will somewhat mute the sound. Setup: To
CC Design GESi Cat Sound Analysis Read More »
Looking at the EQT Balanced Line Coilovers This post is part of an ongoing series examining product claims in the VW/Audi aftermarket. A tip from a sharp-eyed community member first drew my attention to this comparison. EQT’s Balanced Line Coilovers are a $1,599.99 suspension kit for the MQB platform. The product page tells a compelling
MQB Coilovers: Silver’s NEOMAX and EQT Balanced Line Read More »
