Top Sellers

$226.00 USD

034 INTERCOOLER HOSE SET SILICONE B5 AUDI S4 & C5 AUDI A6/ALLROAD, 2.7TPN: 034-145-A003This hose set is designed to replace the failure-prone factory rubber hoses with boost-friendly automotive...

ETSpec

from $574.00 USD

We offer three different levels of ECU tuning for the 2.0T FSI engine that is based on the modification levels and desired output you are looking to get out of your car. Stage 1 and Stage 2 tunes ...

B5 Audi A4 - S4 2.7t Rear Wheel Bearing 75mm

OEM

$52.78 USD

Have a loud humming or metal on metal noise coming from the rear? Chances are one or both of your rear wheel bearings are worn out. The high quality oem replacement bearings from FAG get the job ...

Audi S4 - A6 - 2.7T Spider Hose - Breather Assembly for Crank Case LATE 2001.5 new newer S4 - A6

OEM

$262.57 USD

Audi S4 / A6 / 2.7T Spider Hose / Breather Assembly for Crank Case LATE 2001.5 new newer S4 / A6

14% Off

710N Diverter Valve upgrade for Audi-VW A4 TT GTI JETTA PASSAT 1.8T

Kayser

$64.82 USD

~~$74.98 USD~~

This is OEM equipment on the 225 Audi TT. These or our TT diverter valves are great upgrades over stock and provide long service life as well as improved performance and response. These are a mus...

OEM Audi S4 A6 2.7T Metal Impeller Water Pump

OEM

$64.59 USD

OEM Audi S4 A6 2.7T Metal Impeller Water Pump

Aeromotive

from $179.00 USD

Fits:B5 S4/C5 A6 fuel pump basket Free Flow Rate:340 lph Maximum Pressure (psi):90 psi The pump comes with a sleeve for easy mounting within the stock basket. We also offer ...

Torque Factory LLC

from $269.00 USD

Works in conjunction with our Y-pipe and can connect to almost any existing lower inlets including RS4, Tial, etc. We sell various size reducing couplers here. Highest flowing upper inlets avai...

Torque Factory LLC

from $289.00 USD

2.5" (63.5mm) lower turbo inlets for K04, RS4, RS6, K24, and all K04 framed turbos Largest size currently available, allowing maximum airflow into the turbo inducers. Good fitment with factory eng...

Aeromotive External FPR 2x 8AN Inlet 1x 6AN Return PN # 13139

ETSpec

$249.00 USD

Aeromotive External FPR 2x 8AN Inlet 1x 6AN Return PN # 13139 A1000 Gen-II EFI Regulator40-70 PSI EFI Regulator with ORB portsHigh Performance, adjustable EFI regulator designed for medium to high ...

SRM

from $600.00 USD

The 2.7T TTV flywheel is a lightweight, high-performance flywheel made specifically for the 2.7-liter engine family of the Audi S4 and RS4. It is designed to reduce vibration, improve shifting, and...

47% Off

Set of 4 EV1 to EV14 Injector Wiring Adapters for Audi / VW

ETSpec

$24.99 USD

~~$46.80 USD~~

Set of 4 high quality EV1 to EV14 Injector Wiring Adapters for Audi / VW vehicles with ev1 injectors from the factory like the 1.8t. Allows for easier adapting to ev14 style connector with the 6" ...

41% Off

Silicone Turbo Hose Full Kit in Black fits Audi S4 1997-2002 Audi A6 C5 Audi Allroad

Mishimoto

$442.95 USD

~~$747.08 USD~~

Silicone Turbo Hose Full Kit in Black fits Audi S4 1997-2002 Audi A6 C5 Audi Allroad The Mishimoto Audi S4 Silicone Turbo Hose Kits are made by combining high-grade silicone and heat-resistant em...

8% Off

Ringer Racing

from $1,768.00 USD

~~$1,920.00 USD~~

The Ringer Racing Billet Series uses a billet aluminum pressure plate cover combined with a choice of 850 diaphragms, these diaphragms have 7-14% more clamp load and hold than the highest holding s...

10% Off

Ringer Racing

from $1,057.50 USD

~~$1,175.00 USD~~

The Ringer Racing Billet Series uses a billet aluminum pressure plate cover combined with choice of 850 diaphragms, these diaphragms have 7-14% more clamp load and hold then the highest holding st...

10% Off

Hotchkis

$798.23 USD

~~$886.92 USD~~

Hotchkis Sport Suspension 22801 1996-2002 Audi B5 Sport Sway Bar Set For those that track their A4/S4 often or want a much more aggressive feel when attacking a canyon road Hotchkis Sport Suspensio...