D4

AEM X-Series Tru-BoostX Boost Controller Gauge Accessory Kit

Silver bezel with white Tru-BoostX faceplate

AEM X-Series Tru-BoostX Boost Controller Gauge

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The Tru-BoostX Boost Controller Gauge delivers all of the features you loved about the original only now with AEMnet for data logging and a big, fat internal MAP sensor that can handle boost pressures...

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge Accessory Kit

Silver bezel with white dual-faced air/fuel and Lambda faceplate

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge

AEM’s X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauges are built upon unique, patented 100% Digital technology (Patent 9,575,030) that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*. The...

Innovate Motorsports MTX-D Ethanol & Fuel Temp Gauge Kit (No Sensor Included)

Innovate Motorsports MTX Digital Series “Dual Function” Gauges are 2 1/16” (52mm) gauges featuring interchangeable faceplates and bezels for a user-customized look, locking connectors for simplified installation, and MTS serial...

Innovate Motorsports MTX-D Ethanol & Fuel Temp Gauge Kit w/ Ethanol Sensor

Innovate Motorsports MTX Digital Series “Dual Function” Gauges are 2 1/16” (52mm) gauges featuring interchangeable faceplates and bezels for a user-customized look, locking connectors for simplified installation, and MTS serial...

EMD Auto Extended Wheel Bolt M14 x 1.5 - 32mm Length - Ball Seat

This extended wheel bolt is recommended for those using stock Audi/VW wheels, which will typically require an R13 ball seat. 32mm length, commonly used with 5mm wheel spacers. The 17mm head will be the same as stock, so you can still use factory lug caps...

EMD Auto 5x112 5mm Wheel Spacer Pair - 66.5mm Centerbore

Our wheel spacers are manufactured out of high quality 6061-T6 aluminum, which is black anodized for corrosion resistance.  Price includes (2) 5mm wheel spacers. Center bore is 66.5mm, with a 5x112 bolt pattern. Please confirm the size you need...

RacingLine Wheel Studs - Individual

A single wheel stud for the RacingLine Stud and Nut conversion kit. If you already have the RacingLine Stud and Nut conversion, you can order these single replacement wheel studs. If you need to change between narrower and wider spacers, you can simply...

JXB Performance Driveshaft Center Support Bearing Carrier Upgrade for Audi D4

Holds the driveshaft where it should be. Isolation dampers minimize vibrations. THE PROBLEM The stock center support bearing carrier holds the driveshaft in place with rubber so thin about 20 lbs of force moves it from center to the end of its...

RacingLine Billet Magnetic Oil Drain Plug for EA888.4 2.0T, 2.5T, 3.0T, 2.9T & 4.0T Metal Oil Pan

The most cost-effective upgrade you can make to your car: catch damaging ferrous particles in your oil with our 2.0 TSI EA888 gen.4 Magnetic Sump Plug. WHAT IT DOES. Our new 2.0 TSI Magnetic Oil Pan Sump Plug attracts and separates...

APR Iridium Pro Spark Plug - 14 X 26.5 X 16MM - Heat Range 9

*Fitment Note: Fits MK6 GLI 2.0T from 2013.5+ ONLY* *Sold Individually* APR Iridium Pro Spark Plugs are the excellent upgrade for tuned engines. Our spark plugs are made from Iridium, which is one of the strongest materials you can use in this type of...

034Motorsport Street Density Motor Mount Pair for C7/C7.5 S6, S7 & RS7 & D4 A4 & S8

034Motorsport Street Density Motor Mounts are the new standard in comfort and performance. These mounts are redesigned with performance in mind, and manufactured from high-durometer rubber for increased performance and durability, without sacrificing...

APR Ball Seat Lug Bolts - 47mm (Set of 10)

APR's Wheel Spacers physically move the wheel further away from the hub. In doing so, they give your wheels the desired offset needed to create the stance or look you desire, or clearance necessary to clear brake calipers. When using wheel spacers,...

034Motorsport High Pressure Fuel Pump Piston Upgrade Kit for Audi 4.0T

The 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit is designed to be a drop-in replacement piston for the factory high pressure fuel pumps for the Audi 4.0T engine in the C7 Audi S6/S7/RS6/RS7.By upgrading the factory high pressure fuel pumps...