Top Sellers

034 THROTTLE BODY INTAKE BOOT, B5 AUDI S4 & C5 AUDI A6-ALLROAD 2.7T, SILICONE

$98.00 USD

These upgraded throttle body boots are a must for any 2.7T running upgraded software. Boost levels over stock tune can quickly cause your stock throttle body boot to tear and leave you questioning...

25% Off

Audi A4 - TT 1.8t - VW - Golf - GTI - JETTA 1.8T Custom Stage 3 Tuning

ETSpec

$449.00 USD

~~$599.00 USD~~

Audi A4 / TT 1.8t / VW / Golf / GTI / JETTA 1.8T Custom Stage 3 Tuning Requires a stock ECU or flashed ECU, NO CHIPPED ECU's! If you have a chipped ECU contact us so we can repair it or swap it ...

Audi S4 B5 - C5 A6 - C5 Allroad 2.7T Head Gasket Kit (One Side)

Victor Reinz

$106.72 USD

Audi S4 B5 / C5 A6 / C5 Allroad 2.7T Head Gasket Kit (One Side)Includes everything you need to replace the head gasket on the 2.7t biturbo motor found in the 2000-2002 Audi S4, 2000-2005 C5 Audi Al...

Stern

$32.50 USD

Stern Engine Snub Mount for Audi B5 S4, A4 and RS4 all manual transmission with engines (2.7t, 1.8t, 2.8 etc) Stern Engine Snub Mount This engine snub mount is part of the new Stern line of...

OEM Audi S4 A6 2.7T Engine coolant temperature sensor

OEM

$31.92 USD

Audi S4 - A6 - Allroad 2.7T Rear Main Seal Plate and Gasket

Corteco

$89.57 USD

Audi S4 / A6 / Allroad 2.7T Rear Main Seal Plate and Gasket

MANN

$28.76 USD

OEM Audi S4 / A6 / Allroad 2.7T MANN Fuel Filter

11% Off

SEP Audi S4 RS4 2.7T - A6 2.7T Billet K04 Turbo Kit

SEP

from $1,599.00 USD

~~$1,799.00 USD~~

SEP Audi S4 RS4 2.7T / A6 2.7T Billet K04 Turbo Kit These are our billet wheel version of our ko4 025/26. These turbos utilize a slightly bigger / taller compressor wheel and are rated for 28 psi. ...

Stern

$56.89 USD

Stern Rear Differential Bushing Kit for Audi B5 S4, A4 and RS4 all manual transmission with engines (2.7t, 1.8t, 2.8 etc) This differential bushing kit is part of the new Stern line of perf...

4% Off

Torque Factory LLC

$269.00 USD

~~$279.00 USD~~

High flow -8 AN fuel rails made to our specifications by our longtime friends at 034 Motorsport. Machined from billet Aluminum, laser etched logo, and black anodized Includes mounting hardware, -8...

034 X34 CARBON FIBER COLD AIR INTAKE (CAI) FOR B5 S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T

034-Motorsport

from $617.00 USD

034 X34 CARBON FIBER COLD AIR INTAKE (CAI) FOR B5 S4 2.7T / Audi A6 2.7T / Audi Allroad 2.7TThe X34 intake (aka X1 or X-1) is the ultimate cold air induction system for your 2.7T equipped Audi. It...

8% Off

AFE

$78.60 USD

~~$85.49 USD~~

AFE 3.5" Magnum Flow Pro Dry S Cone Air FilterThese filters have been tested to work well with the MAF elements used on many audi vehicles. We found after tuning MAF based Audi and VW vehicles ove...

6% Off

Mamba Audi S4 RS4 2.7T - A6 2.7T Adjustable Performance Wastegate Actuators

Mambatek

$299.99 USD

~~$319.99 USD~~

Turbo Wastegate Actuators Audi RS4 S4 A6 2.7T K04-025 K04-026MAMBA AUDI S4 RS4 2.7 K04-025 + K04-026 Adjustable Twin Turbo Wastegate ActuatorsETSPEC NOTE: These are a popular upgrade for the faili...

4% Off

Stage 2 E85 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and 2000-2004 Audi A6 - Allroad 2.7T (AKA Baby Stage 3 Kit)

ETSpec

$1,019.00 USD

~~$1,059.00 USD~~

This is our entry level fueling kits that includes our custom remote tune with revisions and flashing cable. Up to 380-390 wtq and 300-330 whp to the wheels! Great option if you are looking to hav...

40% Off

Audi A4 - TT 1.8t - VW - Golf - GTI - JETTA 1.8T Custom Stage 2 Tuning

ETSpec

$299.00 USD

~~$499.00 USD~~

Audi A4 / TT 1.8t / VW / Golf / GTI / JETTA 1.8T Custom Stage 2 Tuning Requires a stock ECU or flashed ECU, NO CHIPPED ECU's! If you have a chipped ECU contact us so we can repair it or swap it ...

5% Off

Stage 3 Fueling Kit for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T

ETSpec

$719.00 USD

~~$759.00 USD~~

This is our entry level fueling kits that does NOT include our custom remote tune with revisions and flashing cable. This will handle any K04 or K04 hybrid setup on 91, 93 octane, or race gas or K...