034EFI Engine Management
Clutches & Flywheels
Fuel Injection Solutions
Hardware, Fittings & Hoses
Turbochargers and Accessories
Fluids & Chemicals
OE Replacement Parts
Use keywords or OE part numbers to find the products you are looking for.
Snub Mount, Street Density, B7 Audi RS4 & C5 Audi RS6
Terms and Conditions
Gift Voucher FAQ
Tech articles from the staff here at 034.
APR ECU Tuning
Performance Clutch Tech Explored
Intercooler Case Analysis, B5 A4 20vt
INTERCOOLER CASE ANALYSIS B4 A4 20vt
Turbo Sizing Calculator
New Garrett GTX Turbos!
034Motorsport Time Attack A4 Technical Insight
034EFI Firmware C Level Update 1.02
AUDI 3B 20VT Coil Upgrade
034EFI Stage C Firmware Update, v1.01.09
Spark Timing Myths Debunked
A widely-held myth is that maximum advance always means maximum power. Here’s what’s wrong with this thinking....
By Klaus Allmendinger
Application Note: You Can Be Too Rich!
Many people with turbochargers believe that they need to run at very rich mixtures. The theory is that the excess fuel cools the intake charge and therefore reduces the probability of knock....By Klaus Allmendinger
Fuel Pressure Regulator Basics
Understanding how FPR's work and the different types.
Dispelling Wastegate Myths
An explanation of wastegate function, bigger isn't always bigger.
20vt Big Bore Throttle Body Install
Tips, tricks and general BTDT when installing a new big bore throttle body....
Write-up provided by Brian Cabalic.
034 EFI STAGE II ECU
Sequential fuel and Direct fire Ignition
STAGE IIc NOW W/ANTI-LAG, LAUNCH CONTROL, DUAL STAGE REVLIMITER AND DATALOGING MEMORY CHIP!
034 EFI STAGE I ECU
Sequential fuel and Ignition
Supplementary Additional Injector Control
AAN/RS2 Chip Installs
A brief introduction to installing and identifying software with the Audi I5 20vt ECU's
Density Mount Install, Mk4 GTI
An install and technical explanation of our Mk4 Density Line Mounts.
034EFI Stage C Firmware Update, v1.01.16
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