Engine
Emissions
034Motorpsort's billet PCV check valve serves as a simple, elegant, indestructible replacement for the problematic OEM plastic valve (035 103 245A).
The ...
$49.00
The ultimate breather can kit for the C4 AAN S4/S6, everything needed for a clean, OEM type conversion. Our Vortex breather can is neatly installed with c...
$337.00
Fuel
034Motorsport now offers a Billet Drop-In Fuel Pump Upgrade Kit for Audi Applications!
The kit features a Bosch 044 "Motorsport" Fuel Pump, and all...
$510.00
The stock C4 wiring to the fuel pump is adequate for stock power. Once you start turning up the wick though, every last ounce of power needs to get to your fuel...
$67.00
Intake
Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for ...
$79.79
Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved hors...
$79.79
Mount
We're proud to announce the availability of Motorsport Motor Mounts for most Audi I5 applications, including the C4 UrS4/UrS6, B3 80/90/Coupe Quattro, ...
$101.00
Polyurethane Snub Mount with Powdercoated Steel Bracket for all 20vt equipped C4 S4 / S6 cars. Also fits most VW Mk1 Chassis, Sport Quattro and othe...
$108.00